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Home / Business & Finance / Rail transport

Business & Finance >> Rail transport Abbreviations

Look through 3346 acronyms and abbreviations related to Rail transport:

HASAW — Health and Safety at Work
LAN — Local Area Network
GBV — Gross Book Value
YTD — Year To Date
HAZID — Hazard Identification
PWAY — Permanent Way
ROM — Read-Only Memory
B. OF D. — Board of Directors
Y-P — Young Person
ANSI — American National Standards Institute, Inc.
ASAP — As Soon As Possible (pronounced AY-sap)
TBA — To Be Advised
IT — Information Technology
ERDF — European Regional Development Fund
PPE — Personal Protective Equipment
P&L — Profit and Loss statement
WATX — Watco
HATX — Helm Financial Corporation
T&RS — Traction & Rolling Stock
KPI — Key Performance Indicator
ZEPE — Zone Electrical and Plant Engineer
SD — Standard Deviation
E&OD — Engineering and Operations Development
VDU — Visual Display Unit
AFFF — Aqueous Film Forming Foam
C&WI — Chicago and Western Indiana railroad
PO — Purchase Order
R&PA — Route and Programme Analyst
D&DA — Design and Development Authority
RAILTEL — RAILway TELephone project
W&LE — Wheeling & Lake Erie Railway
AC — Alternating Current
ZCRG — Zonal Commercial Review Group
ATP — Automatic Train Protection
GUI — Graphical User Interface (goo-ey)
VAMD — Virginia and Maryland
S&SM — Safety and Standards Manager
S.L/H — Short LeaseHold
L&PS — London and Port Stanley Railway
SPV — Special Purpose Vehicle (sometimes Single Purpose Vehicle)
CN — Canadian National Railway
D&DR — Design & Development Report
D&IA — Design and Implementation Authority
GDP — Gross Domestic Product
GSM — Global System for Mobile Communications
WACC — Weighted Average Cost Of Capital (accounting)
RFQ — Request For Quotation
IRR — Internal Rate of Return
R(SCW) — Railway (Safety Critical Work) Regulations 1994
P.WAY — Permanent Way

RF — Radio Frequency
P&LE — Pittsburgh and Lake Erie Railroad
EDI — Electronic Data Interchange
WBS — Work Breakdown Structure
O&M — Operation and Maintenance
HAYSI — Haysi Railroad
MTBF — Mean Time Before Failure
OBRY — Orangeville-Brampton Railway
N&VMP — Noise and Vibration Management Plan
M&EE — Mechanical & Electrical Engineering
L&HR — Lehigh and Hudson River railway
FAQ — Frequently Asked Questions (sometimes Pronounced Fak)
E,L&N — Early, Late and Night
LCD — Liquid Crystal Display
UP — Union Pacific Railroad Company
N&B — Northhampton and Bath railway
O&SPA — Operational and Support hazard Analysis
CV — Curriculum Vitae
PWME — Permanent Way Maintenance Engineer
VAT — Value Added Tax
UCMX — United Clays, Inc
PALADIN — Performance And Loading Analysis Database INformation
L&NE — Lehigh and New England railroad
L&PSR — London and Port Stanley Railway
AP — Accounts Payable
VO — Variation Order
MDF — Main Distribution Frame
SLA — Service Level Agreement
SPOC — Single Point Of Contact
NPV — Net Present Value {economics}
GIS — Geographic Information System
GL — General Ledger
KYLE — Kyle Railroad
WWW — World Wide Web
CWT — Carlson Wagonlit Travel
MIS — Management Information System (OSHA)
PCB — printed circuit board
EU — European Union (1994; formerly referred to as the EEC or EC)
CAPEX — Capital Expenditure
PROJEX — Project Expenditure
RPI — Retail Price Index
FMECA — Failure mode effect and criticality analysis
IDF — Intermediate Distribution Frame
PDH — Plesiochronous Digital Hierarchy
BDM — Business Development Manager
RAM — random-access memory
FX — Foreign Exchange
COSHH — Control Of Substances Hazardous To Health (UK)
COA — Chart Of Accounts
PICOW — Person in Charge of Works

FAT — Factory Acceptance Test
AM — Amplitude Modulation
ABS — Alabama Southern Railroad
CAD — Computer Aided Designer
SAT — Site Acceptance Test
AE — Account Executive
MTTR — Mean Time To Repair
ISDN — Integrated Services Digital Network
SPAX — Southeastern Pennsylvania Transportation Authority (SEPTA)
MSE — Mississippi Export Railroad Company
RAB — Regulatory Asset Base
MMA — Montreal, Maine & Atlantic Railway
AGR — Alabama and Gulf Coast Railway
CIMA — Chartered Institute of Management Accountants
OGEE — Ogeechee Railway
CAR — Corrective Action Request
AL — Almanor Railroad Company
BRC — Belt Railway of Chicago
WAN — Wide Area Network
DML — Data Manipulation Language
JD — Job Description
PC — Personal computer (host)
W — Watt
NEC — National Electrical Code
AA — Ann Arbor Railroad
WYSIWYG — What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms)
AQL — Acceptable Quality Level
LED — law enforcement desk; light emitting diode
GPRS — General Packet Radio Service
BST — British Summer Time
DCF — discounted cash flow rate
CAPM — Capital Asset Pricing Model
PMBX — Private Manual Branch Exchange
ITU — International Telecommunication Union
SQL — Structured Query Language
ELOX — Elcon Inc.
PCB — Polychlorinated Biphenyls
EPS — Earnings per share
ROCE — Return On Capital Employed
FM — frequency modulation
DOS — Disk Operating System
HZ — cycles per second (hertz)
HR — HUMAN RESOURCES
EG — Executive Grade: old style executive job grading system
DC — Direct Current
SQVR — Sequatchie Valley Railroad
BDW — Bighorn Divide and Wyoming Railroad
PM — Project Manager
DD&I — Design Development and Implementation
GMT — Greenwich Mean Time (Zulu)

ALARP — As Low as Reasonably Practicable
LSI — Lake Superior and Ishpeming Railroad
RISC — Reduced Instruction Set Computer
SMS — Safety Management Systems
NEMA — National Electric Manufacturer's Association
AKMD — Arkansas Midland Railroad Company
BSOR — Buffalo Southern Railroad
PGR — Progressive Rail
DTI — Department of Trade and Industry (UK)
UFN — Until Further Notice
PIC — Person In Charge
SAE — Society of Automotive Engineers
AR — Aberdeen and Rockfish Railroad
SHARON — Sharon Steel
NCR — Nonconformance Report
AF — Audio Frequency
CBI — Confederation of British Industry
AR — Accounts Receivable
RSSX — Rail Switching Service
PVC — Polyvinyl Chloride
CGT — Capital Gains Tax
HW — Hardware
OTR — Oakland Terminal Railway
CF — Cape Fear Railways Incorporated
AGCR — Alamo Gulf Coast Railroad Company
TOFC — trailer-on-flatcar
ADBF — Adrian and Blissfield Rail Road
FOC — Free Of Charge. Widely used acronym promising a good deal, however see TANSTAAFL.
BRW — Black River and Western railroad
SDH — Synchronous Digital Hierarchy (ATM)
ARZC — Arizona and California Railroad
ELCB — Earth Leakage Circuit Breaker
AKDN — Acadiana Railway Company
LOA — Limit of Authority
PW — Providence and Worcester Railroad
PDP — Personal Development Plan
TCP/IP — transmission control protocol/internet protocol
NOKL — Northwestern Oklahoma Railroad
GRN — Goods Received Note
CBL — Conemaugh and Black Lick Railroad
EIA — Environmental impact assessment (international)
PABX — private automatic branch exchange (telephone)
LT — Lake Terminal Railroad Company
ONT — Ontario Northland Railway
ARR — Alaska Railroad
EMP — Environmental Management Plan
PRV — Pearl River Valley Railroad Company
PBVR — Port Bienville Railroad
ATW — Atlantic and Western Railway
IR — Illinois Railnet

TNA — Training Needs Analysis. The TNA term is most commonly given to the process of identifying and planning personal/skills development for an individual, group, or entire workforce. This can be the responsibility of a supervisor, group leader, senior manager
BB — Buckingham Branch Railroad
CCTV — Closed Circuit Television
COTS — Commercial Off the Shelf Software
CHR — Chestnut Ridge Railway Company
ANR — Angelina and Neches River Railroad
CRL — Chicago Rail Link
ARC — Alexander Railroad
EMC — Electromagnetic Compatibility
APA — Apache Railway Company
RTU — Remote Terminal Unit
APNC — Appanoose County Community Railroad
FOC — Freight Operating Company
OAR — Old Augusta Railroad
BCLR — Bay Colony Railroad
OSI — Open Systems Interconnection (iso Standard)
KCS — Kansas City Southern Railway
CCKY — Chattooga and Chickamauga Railway Company
TRC — Trona Railway Company
BRG — Brownsville and Rio Grande International Railroad
DMM — Dansville and Mount Morris Railroad Company
SSC — Southern Switching Company
EPROM — Electrically Programmable Read Only Memory
RC — Remote Control
PBT — Profit Before Tax
MSV — Mississippi and Skuna Valley Railroad Company
SW — Southwestern Railroad Company
NCIR — New Castle Industrial Railroad
SRC — Strasburg Railroad
ALAB — Alabama Railroad
BOP — Border Pacific Railroad Company
NBER — Nittany and Bald Eagle Railroad Company
NS — Norfolk Southern Railway
CW — Colorado and Wyoming railway
SMA — San Manuel Arizona Railroad Company
FURNO — Until FURther NOtice
BJRY — Burlington Junction Railway
NIC — National Insurance Contributions
MH — Mount Hood Railroad
M&E — Mechanical & Electrical
BLR — Blacklands railroad
SLAL — South Plains Lamesa Railroad
OMID — Ontario Midland Railroad Corporation
IEC — International Electrotechnical Commission
CFWR — Caney Fork and Western Railroad
CC — Chicago Central and Pacific Railroad Company
SLC — San Luis Central Railroad Company
MDS — Meridian Southern Railway
STR — Shawnee Terminal Railway Company
LW — Louisville and Wadley Railway Company

BPRR — Buffalo and Pittsburgh Railroad Inc.
CT — Columbia Terminal
CTR — Clinton Terminal Railroad Company
RSR — Rochester and Southern Railroad
MNN — Minnesota Northern Railroad Incorporated
FRS — Functional Requirements Specifications
ASRY — Ashland Railway
BVRY — Brandywine Valley Railroad Company
CFNR — California Northern Railroad
SCRF — South Carolina Central Railroad
WCOR — Wellsboro and Corning Railroad Company
NOPB — New Orleans Public Belt Railroad
CMPA — Madison railroad
CR — Change Request
SVRR — Shamokin Valley Railroad Company
RARW — Rarus Railway Company
KKRR — Knox and Kane Railroad Company
AZCR — Arizona Central Railroad
CAGY — Columbus and Greenville Railway Company
CBRW — Columbia Basin Railroad
CLC — Columbia and Cowlitz Railway Company
CLP — Clarendon and Pittsford Railroad
DME — Dakota, Minnesota and Eastern Railroad Company
PBR — Patapsco and Back Rivers Railroad
WATC — Washington Terminal Company
CALA — Carolina Southern Railroad
PRY — Pioneer Industrial railway
SAPT — Savannah Port Terminal Railroad Incorporated
OTVR — Otter Tail Valley Railroad Company
URR — Union Railroad
OCTL — Oil Creek and Titusville Lines, Inc.
CTRR — Cloquet Terminal Railroad
PCN — Point Comfort and Northern Railway
IGBT — Insulated Gate Bipolar Transistor
CCRR — Claremont Concord Railroad
BBOH — Bloomingburg Ohio
YW — Yreka Western Railroad Company
SCTR — South Central Tennessee Railroad
CNZR — Central New England Railroad
LCR — Lake County Railroad
NERR — Nashville and Eastern Railroad
NSHR — North Shore Railroad
SCADA — Supervisory Control And Data Aquisition
CCRA — Camp Chase Industrial Railroad
RRVW — Red River Valley and Western Railroad
RHS — Rectangular Hollow Section
UMP — Upper Merion and Plymouth Railroad
CIRR — Chattahoochee Industrial Railroad
MET — Modesto and Empire Traction Company
SLWC — Stillwater Central Railroad

LSRC — Lake State Railway Company
SAN — Sandersville Railroad
HV — High Voltage
NMGR — New Mexico Gateway Railroad
MRL — Montana Rail Link
CAXX — CEMENTO CRUZ AZUL
PVS — Pecos Valley Southern Railway Company
MCER — Massachusetts Central Railroad
POTB — Port of Tillamook Bay Railroad
TR — Tomahawk Railway
CMSL — Cape May Seashore Lines
KRR — Kiamichi Railroad
WRRC — Western Rail Road Company
CP — Canadian Pacific Railway
UPS — Uninterruptible Power Supply
SLRG — San Luis and Rio Grande railroad
MJ — Manufacturers Junction Railway Company
SLR — St. Lawrence and Atlantic Railroad Company
BAA — British Airports Authority
DC — Delray Connecting Railroad Company
KJR — Kiski Junction Railroad
CBRY — Copper Basin Railway
MPLI — Minnesota Prairie Line Incorporated
MBO — Management Buy-Out
CPS — Criminal Protection Society. Sarcastic alternative meaning to the official Crown Prosecution Service, the government body responsible for bringing criminal prosecutions on behalf of the state, (thanks J Heeley). CPS stands for many more relatively unexcit
SM — St. Mary's Railroad
KJRY — Keokuk Junction Railway
NRI — Nebkota Railway Incorporated
TCWR — Twin Cities and Western Railroad
SIL — Safety Integrity Level
KT — Kentucky and Tennessee Railway Company
IEE — Institution of Electrical Engineers
QRR — Quincy Railroad Company
NCVA — North Carolina and Virginia Railroad
RVSC — Rio Valley Switching Company
DCRR — Dubois County Railroad
MDDE — Maryland and Delaware Railroad
ACOP — Approved Code Of Practice (UK)
YRC — York Railway
HSC — Health and Safety Commission
WNFR — Kanawha Rail Corporation
PNW — Prescott and Northwestern Railroad
NYGL — New York and Greenwood Lake Railway
KBSR — Kankakee Beaverville and Southern Railroad Company
CPDR — Carolina Piedmont Railroad
YARR — Youngstown and Austintown Railroad
CBGR — Council Bluffs Railway
NYOG — New York and Ogdensburg Railway Company Incorporated
TSU — Tulsa-Sapulpa Union Railway
LA — Local Authority

NYCH — New York Cross Harbor Railroad Terminal Corporation
NVRR — NAPA Valley Railroad Company
ISRR — Indiana Southern Railroad
CSCD — Cascade and Columbia River Railroad Company
CTN — Canton Railroad Company
TSE — Texas South-Eastern Railroad Company
WTNN — West Tennessee Railroad
STMA — St. Maries River Railroad Company
POVA — Pend Oreille Valley Railroad
GPF — General Protection Fault
SMV — Santa Maria Valley Railroad Company
WSR — Warren and Saline River Railroad
CB — Circuit Breaker
COP — City of Prineville Railway
SCFE — South Central Florida Express Incorporated
SW — Software (SFTWE Preferred)
OOO — Out Of Order
RSS — Rockdale, Sandow & Southern Railroad
OUCH — Ouachita Railroad
TVRR — Tulare Valley Railroad Company
MRS — Manufacturers Railway
MNNR — Minnesota Commercial Railway
ITT — Invitation To Tender
MMID — Maryland Midland Railway
RVPR — Riverport railroad
SBVR — South Branch Valley Rail Road
EVA — Ethylene Vinyl Acetate
NCRC — Nebraska Central Railroad
VTR — Vermont Railway
NAUG — Naugatuck Railroad Company
NENE — Nebraska Northeastern Railway
PNWR — Portland and Western Railroad Incorporated
WPRR — Willamette and Pacific Railroad
PTR — Port Terminal Railroad of South Carolina
NI — National Insurance
COEH — Conecuh Valley Railroad
TBRY — Thermal Belt Railway
TSRR — Tennessee Southern Railroad
VR — Valdosta Railway
RPRC — Richmond Pacific Railroad Corporation
LVRR — Lycoming Valley Railroad
MSCI — Mississippi Central Railroad Company
ISRS — International Safety Rating System
SGLR — Seminole Gulf Railway
WSRY — Winamac Southern railway
SBRR — Stourbridge Railroad Company
MCR — McCloud Railway Company
PICK — Pickens railway
WBCR — Wabash Central railroad
NKCR — Nebraska, Kansas & Colorado RailNet

YVRR — Yadkin Valley Railroad
REFOS — Running Edge to Face Of Structure
OCB — Oil Circuit Breaker
PHA — Preliminary Hazard Analysis
SS — Sand Springs Railway Company
MSTR — Massena Terminal Railroad Company
SMIS — Safety Management Information System
UTAH — Utah Railway
OHCR — Ohio Central Railroad
VRRC — Vandalia Railroad
NVQ — National Vocational Qualification
OROR — Outside Rules Of the Route
TNHR — Three Notch railroad
CCI — Confirmation of Client's Instruction
OD — Outside Diameter
PORTIS — Portable Ticket Issuing System
EIB — European Investment Bank
NDT — Nondestructive Test
EC — European Community
CPD — Continuous Professional Development
PLC — Public limited company
LV — Low Voltage
XLPE — Crosslinked Polyethylene
PAX — Private Automatic Exchange
H&S — Health and Safety
RC — Reinforced Concrete
LD — Liquidated Damages
AWRR — Austin Western Railroad
GBP — Great British Pound
HSE — Health & Safety Executive Officer
CSM — Customer Service Manager
RAMS — Reliability, Availability, Maintainability and Safety
VM — Value Management
RMT — National Union of Rail, Maritime and Transport Workers
PA — Personal Assistant
DPC — Damp Proof Course
MOD — Ministry Of Defence (United Kingdom) And Various Other Countries
TDMA — Time Division Multiple Access
FE — Finite Element
PMCS — Project Management Control System
FRA — Federal Railroad Administration
PTW — Permit to Work (UK)
AVP — Assistant Vice President
DDA — Disability Discrimination Act
LEU — Lineside Electronic Unit
TDM — Time Division Multiplexer
NEBOSH — National Examination Board in Occupational Safety and Health
PSBR — Public Sector Borrowing Requirement
CPO — Compulsory Purchase Order
IBH — Intermediate Block Home Signal

CPC — Circuit Protective Conductor
MEBO — Management and Employee Buy Out
TB — Trial Balance
GMTX — GATX Rail Locomotive Group
FOC — Fibre Optic Cable
HVAC — Heating, Ventilating, And Air Conditioning
RCD — Residual Current Device
ECU — European Currency Unit
OLEMI — Overhead Line Equipment Master Index
HL — High Level
AVI — Automatic Vehicle Identification
CHB — Cleveland Harbor Belt
NSR — Newburgh and South Shore Railroad Compan
FTVM — FerroValle
PDT — Portable Data Terminal
PAYE — Pay-As-You-Earn
CIMAH — Control of Industrial Major Accident Hazard
KLSC — Kalamazoo, Lake Shore and Chicago Railway
SOCO — Scene Of Crime Officer
NRLC — National Railway Labor Conference
AFC — Approved For Construction
RIDDOR'95 — Reporting of Injuries, Disease and Dangerous Occurrences Regulations 1995
DSE — Display Screen Equipment
USN — United States Navy
PFI — Private Finance Initiative
WB — Westbound
FDM — Frequency Division Multiplex
FAST — Federation Against Software Theft
NFF — No Fault Found
MDF — Medium Density Fibreboard
NAO — National Audit Office
TMP — Traffic Management Plan
BS — British Standard
IMDG — International Maritime Dangerous Goods
RTHQ — RailTrack HeadquartersRailCons
APM — Assistant Project Manager
QX — Qualifying eXceptions
UT — Ultrasonic Testing
HAZCHEM — Hazardous Chemical
UB — Universal Beam
PSN — Packet Switched Network
EPI — Environmental Performance Indicator
MPV — Multi-Purpose Vehicle
FC — Financial Controller
DETR — Department of the Environment, Transport and the Regions
LPC — Louisiana Paving Corp
BTP — British Transport Police
SMBX — Southern MN Sugar Beet Coop
RIO — Rail Incident Officer
RR — Railroad

LVDT — Linear Variable Differential Transformer
EMCAR — Empty Carriages
OTDR — Optical Time Domain Reflectometer
DSS — Department of Social Security
IIP — Investors In People. The UK system of human resources quality and development accreditation system. Or more amusingly, Intellectually Impaired Person (or Passenger or Protester) - being the unofficial term allegedly used by some London Transport staff to
CIS — Customer Information System
PWM — Pulse width modulation
SCHLID — SCHedule IDentity
RSA — Railway Study Association
CPS — Crown Prosecution Service (UK criminal justice system)
LRT — Light-Rail Transit
PDFH — Passenger Demand Forecasting Handbook
PROM — Programmable Read Only Memory (chip)
PMT — Project Management Team
PDMX — Programmable Digital Multiplexer
OS — Ordnance Survey
RBC — Radio Block Centre
OPEX — Operating Expenditure
ECO — Electrical Control Operator
LCP — Local Control Panel
ETA — Expected Time of Arrival
TD–D — Data Course (Training)
RTA — Road Traffic Accident (British)
AFC — Anticipated Final Cost
PPM — Planned Preventative Maintenance
RT — Radiographic Testing
ATC — Automatic Train Control
AKS — AK Steel Holding Corporation
BSC — Base Station Controller
GLW — Gross Laden Weight
EXPOTEL — hotel accommodation and conference booking agency
WI — Work Instruction
DQM — Data Quality Manager
ATO — Automatic Train Operation
PACT — PAved Concrete Track
ENGLEWOOD — Englewood Railway
LPO — Local Process Owner
PA — Public Addresses
IR — Ingersoll-Rand Company
PSTN — Public Switched Telecommunications Network
PT&R — Promotion Transfer and Redundancy
RTA — Regional Transportation Authority
RRI — Route Relay Interlocking
QS — quantity surveyor
TBE — To Be Evaluated
VOL. — volume
AEA — Atomic Energy Authority
OEL — Occupational Exposure Limit
SCAX — Southern California Regional Rail Authority
CDM — Construction Design and Management

PNB — Personal Needs Break
SIMBIDS — SIMplified BI–Directional Signalling
COCP — Code of Construction Practice
CD ROM — Compact Disc Read-Only Memory
FDDI — Fibre Distributed Data Interface
BP — Business Plan
CCA — Current Cost Accounting
CATS — Charlotte Area Transit System
AMP — Asset Management Plan
JC — Junction
PTI — Positive Train Identification
CITB — Construction Industry Training Board
P&E — Plant and Equipment
HST — High Speed Train
KE — Kinematic Envelope
LMLX — Livingston Mountain Locomotive Works
REN — Ringer Equivalence Number
ITE — Institute of Transportation Engineers
MM — Money Market
GTO — Gate Turn-Off thyristor
EXCO — Railtrack Line Executive Committee
BP — British Petroleum
MTBHE — Mean Time Between Hazardous Events
BSP — Bulk Supply Point
NKP — Nickel Plate Road
D&I — Design and Implementation
ID&T — Implementation, Development and Training
R&R — Rationalisation and Resignalling
BH–RAIL — Bull Head RAIL Section
CI — Contract Instruction
A&GW — Atlantic and Great Western Railroad
SCXY — St. Croix Valley Railroad Company
LOP — Loss of Power
DD — Direct Debit
CBS — Contract Breakdown Structure
OSGR — Ordnance Survey Grid Reference
OCS — Overhead Catenary System
ETH — Eidgenössische Technische Hochschule
FRS — Financial Reporting Standard
BCHX — Bosques De Chihuahua
TBW — Temporary Block Working
ILWS — Inductive Loop Warning System
IC — Illinois Central Railroad
TPLX — The Pacific Lumber Co
SOU — Southern Oregon University
KX — Kings Cross
JS2 — advanced signalling cable jointing and testing
ABL — Alameda Belt Line
BN — Burlington Northern Railroad
SMTH — Signal Maintenance Tester's Handbook

RO-RO — Roll On-roll Off
P&M — Plant & Machinery
PRR — Pennsylvania Railroad
PTO — Public Telecommunications Operator
NRSC — Network Rail railway Safety Case
BRASS — British Railways Additional Superannuation Scheme
UTX — Under Track Crossing
PICOP — Person In Charge Of Possession
SPM — Senior Project Manager
ROSCO — Rolling Stock Leasing Company
GP — General Purpose
NYC — New York Central Railroad
CTRL — Channel Tunnel Rail Link
OPU — Operational Planning Unit
EZP — Electro–Zinc Plating
ICMU — Interference Current Monitoring Unit
JDNX — J & M Locomotive Inc.
IMC2 — 2nd generation Infrastructure Maintenance Contract
EOA — End of Authority
CPMG — Company Performance Management Group
PIO — Police Incident Officer
GE — Great Eastern
MPI — Magnetic Particle Inspection
RE — Resident Engineer
TMS — Traffic Management System
VRE — Virginia Railway Express
PW — Permanent Way
SLU — Standard Length Unit
ATPM — Automatic Train Protection Manual
WTB — Wire Train Bus
HA — Highways Agency
FTA — Federal Transit Administration
JDHX — JD Heiskell
OCC — Occupied
NJNY — New Jersey and New York Railroad
HEP — Head-End Power
AAX — Agrico Chemical Company
PMI — Project Manager's Instruction
TOC — Train Operating Company
EPRY — East Penn Railway
ANBX — Anbel Corporation
PTE — Passenger Transport Executive
ROW — Renewal Of Way
DOE — Department of the Environment (Canada)
RCF — Rolling Contact Fatigue
FJLC — Fabrica de Jabon la Corona
GN — Great Northern Railway
EC — Excellent Condition
SSSI — Site of Special Scientific Interest
VIAMONT — Viamont

LO-LO — Lift on, lift off,
ALQS — Aliquippa and Southern Railroad Company
SLUT — South Lake Union Trolley
FDC — Financial Data Control
DART — Dallas Area Rapid Transit
EBS — Emergency Bypass Switch
IC — Intercity
SPWEE — Safety Procedures for Working on Electrical Equipment
FTA — Freight Transport Association
ESSD — Electrostatic Sensitive Device
NR — Network Rail
MP — Milepost
SPI — Safety Performance Indicator
AB — Additions and Betterments
CRR OF NJ — Central Railroad of New Jersey
BCC — Banking Control Account
URFDO — Ultrasonic Rail Flaw Detector Operator
WP — Western Pacific
FSG — Financial Statement Generator
ETM — Electric Track Maintenance
USAF — U.S. Air Force
AT — Auto Transformer
PCV — Petty Cash Voucher
LFCD — Linea Coahuila Durango SA de CV
TCS — Traffic Control System
AEAT RAIL — The Former British Rail Research
SP — Southern Pacific Railroad
SPT — Signal Post Telephone
MEAV — Modern Equivalent Asset Value
AAR — American Association of Railroads
SRA — Strategic Rail Authority
TO — Technical Officer
FP — Footpath
WSOR — WISCONSIN & SOUTHERN
CE — Contract Engineer
CITDS — Construction Industry Tax Deduction Scheme
XC — Cross-Country
AIP — Approval in Principle
PRDC — Princess Royal Distribution Centre
NMRX — New Mexico Department of Transportation-New Mexico Rail Runner Express
IHB — Indiana Harbor Belt Railroad
ISG — International Steel Group
DPI — Dye Penetrant Inspection
OE — Oregon Electric Railway Company
GWRR — Great Walton Railroad Incorporation
CAT — Central Arkansas Transit
GP — Georgia-Pacific
CAHA — Claims Allocation and Handling Agreement
CV — Central Vermont Railway
WHPX — W.F. Hall Printing

SSR — Super Saver Return
ACWP — AccuracyActual Cost of Work Performed
JTC — Jointless Track Circuit
BLW — Baldwin Locomotive Works
ADD — Automatic Dropping Device
PPG — Planning Policy Guidance notes
SWOT — Strengths, Weaknesses, Opportunities and Threats analysis
UGL — Up Goods Line
ATS — Automatic Train Supervision (for rail signaling systems)
SSHA — Subsystem Hazard Analysis
DBFO — Design Build Finance Operate
ISO — International Standards Organisation
FTRX — Foster Townsend Rail Logistics
QAM — Quality Assurance Manager
LJU — Line Jack Unit
LEC — London Electricity Contracting Limited
SSI — Solid State Interlocking
DO — Driver Only
CR — Conrail
MYC — Multi-Year Coverage
PDRR — Pee Dee River RR
TQ — Technical Query
GBRY — Gettysburg Railway
CB — Central Battery
COSS — Controller of Site Safety
BKRR — Batten Kill Railroad
IORY — Indiana & Ohio Railway
FR — Feasibility Report
CRE — Contractor's Responsible Engineer
FFT — Functional Fault Tree
NER — North Eastern Railway
CAIX — CAI Rail Inc.
CHALET — Casualties, Hazards, Access, Location, Emergency services and Time
TP&SN — Three Phase and Switched Neutral
OHL — OverHead Line
SRN — Sabine River and Northern
TRTS — Train Ready To Start indicator
HQ — Head Quarters
EUROSPIN — European Seamless Passenger Information Network
BCWS — Budgeted Cost of Work Scheduled
CSAO — Conrail Shared Assets Operation
GIJ — Glued Insulated rail Joint
MVB — Multifunctional Vehicle Bus
GSPP — General Specification for Possession Planning
RIFAA — Rail Industry First Aid Association
SWT — South West Trains
PTA — Passenger Transport Authority
GER — Great Eastern Railway
MP — Missouri Pacific Railroad
CENTRO — Marketing name of West Midlands Passenger Transport Executive

AMTK — Amtrak
RJCM — R.J. Corman Railroad Company/ Memphis Line
LSB — Local Sensor Bus
SIGWEN — Signalling Equipment Workshop Engineering Notice
TCI — Track Circuit Interrupter
LMA — Limit of Movement Authority
MTTRS — Mean Time to Restore Service
RJCL — R.J. Corman Railroad Company/ Cleveland line
FWWR — Fort Worth and Western Railroad
PON — Periodical Operating Notice
SYPTE — South Yorkshire Passenger Transport Executive
GSM–R — Global System for Mobile communications for Railways
FRED — Financial Reporting Exposure Draft
PM — Production Manager
NYLB — New York and Long Branch Railroad Company
LOSX — Locomotive Specialists, Inc.
BTA — British Transport Advertising
JN — Junction
RJCN — R.J. Corman Railroad Company/ Allentown Lines Incorporated
OOG — Out of Gauge
RTS — Rapid Transit Systems
CCF — Control Centre of the Future
TVRM — Tennessee Valley Railroad Museum
PLJI — Position Light Junction Indicator
URFD — Ultrasonic Rail Flaw Detection
PTC — Philadelphia Transportation Company
GMPTE — Greater Manchester Passenger Transport Executive
HABD — Hot Axle Box Detector
TSC — Train Service Code
PJR — Port Jersey Railroad
LNER — London and North Eastern Railway
GMPTA — Greater Manchester Passenger Transport Authority
PMUX — Panel Multiplexer
CCLX — Crystal Car Lines
HMFI — Her Majesty's Factory Inspectorate
BH — Bath & Hammondsport Railroad Company
EAC — Extended Arm Contract
GU — Grafton and Upton Railroad Company
PIDS — Passenger Information Display System
FIO — For Information Only
RWY — Railway
NBV — Net Book Value
HN — Hutchinson and Northern Railway Company
ABCL — Automatic Barrier level Crossing Locally monitored by train crew
LRV — Light-Rail Vehicle
PAMX — PrivAte Manual branch eXchange
TCS — Train Control System
NY&E — New York and Erie Railroad
L/S — Late Start
AWS — Auxiliary Wayside System

IMECHE — Institution of Mechanical Engineers
APTIS — All Purpose Ticket Issuing System
MTBFF — Mean Time Between Functional Failures
RJCW — R.J. Corman Railroad Company/ Western Ohio Line
QCM — Chemin de fer Cartier
CWR — CWR Incorporated
UTLX — Union Tank Car Company
ATS — Aviation Technical Services (SPAWAR, US Navy)
SIN — Special Inspection Notice
COS — Client Operating System
GMRY — Great Miami and Scioto Railway
AD&R — Asset Development and Renewal
CGRX — Consolidated Grain and Barge Company
CRP — Central Railroad of Pennsylvania
CESM — Civil Engineering Safety Manual
LDDC — London Docklands Development Corporation (UK)
ACT — Advanced Corporation Tax
W/M — Watt per Metre
LEB — London Electricity Board
AWS — Automatic Warning System
ROSIN — Railway Open System Interconnection Network
CSL — Chicago Short Line Railway Company
RRNE — Regional Railways North East
BMWE — Brotherhood of Maintenance of Way Employees
C&O — Chesapeake and Ohio railroad
DNC — Declared Non–Compliance
TTP — Time Table Processor
DVT — Driving Van Trailer
SHA — Safety Hazard Analysis
NUCX — Nucor Steel Crawfordsville
ST — Springfield Terminal Railway Company
ESMS — Engineering Safety Management System
SDNX — Coaster
OOU — Out of Use
ER — Employer's Representative
AF — Alabama & Florida Railway Company
ECR — Electrical Control Room
DSRC — DAKOTA SOUTHERN RAILWAY COMPANY
PIP — Property Investment Panel
D&D — Design & Development
ETRB — Electronic Train Register Book
LS — Luzerne and Susquehanna Railway
BGCM — Bg & Cm Railroad
EFRX — Eastside Freight Railroad
W/S — Work Station
SRNJ — Southern Railroad Company of New Jersey
MILW — Milwaukee Road
QRP — Quarterly Reporting Pack
ELHS — Erie Lackawanna Historical Society
SNCB — Société Nationale des Chemins de fer Belges

GNRTS — Greater Nottingham Rapid Transit System
PI — Paducah & Illinois Railroad
TPW — TOLEDO PEORIA & WESTERN
ADRC — Access Dispute Resolution Committee
NSL — St. Lawrence and Raquette River Railroad
ABA — Air Brake Association
WRIX — Western Rail Incorporated
HTT — Harsco Track Technologies
HMCR — Huntsville and Madison County Railroad Authority
S&SD — Systems and Safety Department
MPI — Motive Power Industries
AHBLC — Automatic Half Barrier Level Crossing
SLRR — St. Lawrence & Raquette River Railroad
ICDB — Industry Capacity DataBase
RAYO — Rayonier
LFB — London Fire Brigade
AEAT — AEA Technology PLC
VRG — Virgin Rail Group
BNS — Birmingham New Street
ADN — Ashley, Drew & Northern
E&G — Edinburgh to Glasgow line
ETL — Essex Terminal Railway Company
TBTC — Transmission-Based Train Control
TOOS — Taken Out of Service
TUPE — Transfer of Undertakings for Protection of Employment
PLMX — CIT Group/Capital Finance, Inc
CPCX — Chevron Phillips Chemical Company
SBK — South Brooklyn Railway Company
SSIHA — SubSystem Interface Hazard Analysis
LHR — Lehigh and Hudson River Railway
ABB — Akron-Barberton Belt railroad
MTRT — Matisa Track Recording Trolley
TDIX — Transdynamic Leasing
LEN — Lake Erie and Northern Railway Company
CRT — Critical Rail Temperature
ECRO — Electrical Control Room Operator
FNW — First North Western
B&O — Baltimore and Ohio railroad
RJCP — R.J. Corman Railroad Company/ Pennsylvan
WMPTA — West Midlands Passenger Transport Authority
SRP — System Review Panel
SPAD — Signal Passed At Danger
POHC — Pittsburgh & Ohio Central
SWGX — Southwest Georgia Railroad Excursion Authority/Sam Shortline Excursion Train
PIRY — Pioneer Industrial Railway
ZFC — Zone Freight Controller
TSR — Temporary Speed Restriction
SP&SN — Single Phase and Switched Neutral
OLE — Overhead Line Equipment
TSNR — Tyson Railroad Incorporated

TFVM — Terminal Ferroviaria Del Velle De Mexico Sa De Cv
IDMS — Integrated Document Management System
ETCS — European Train Control System
PWI — Permanent Way Institution
POA — Payment On Account
TOC — Test On Completion
ORC — Order of Railroad Conductors
TPWS–E — Train Protection and Warning System based on Euro–balise technology
VT — Virgin Trains
FTRL — Foster Townsend Rail Logistics
OCL — Operational Communications Link
CEDAC — Civil Engineering Design And Construction
ATR — Automatic Train Regulation
WRA — Western Railway of Alabama
E&P — Electrification and Plant
WABCO — Westinghouse Air Brake Company
ECS — Empty Coaching Stock
FNTX — Ferronet Sa De Cv
MRP — Monthly Reporting Pack
AGILIS — agilis Verkehrsgesellschaft
GCSX — Granite City Steel Co
GTRM — GT Railway Maintenance
FSH — Full Screen Height
TCAID — Track Circuit Actuator Interference Detector
CRG — Commercial Review Group
NTO — National Training Organisation
SRS — Sperry Rail Service
EE&CS — Electrical Engineering & Control Systems
PNRX — Pittsburgh Naval Reactors Office
CBQ — CHICAGO BURLINGTON & QUINCY
ETH INDEX — Electric Trains Heating Capacity
ZIAR — Zone Infrastructure Asset Register
EFL — External Financing Limit
PRYL — Port Royal Railroad
ABB — Akron and Barberton Belt Railroad Company
SILX — S&I LOCOMOTIVE SERVICES, INC.
PRT — Philadelphia Rapid Transit
AGW — Atlantic and Great Western railroad
CIW — CHICAGO & ILLINOIS WESTERN
RETB — Radio Electronic Token Block
RJCC — R.J. Corman Railroad/Kentucky Lines
PBRTC — Permian Basin Regional Training Center
ROTR — Rules of the Route
NRES — National Rail Enquiry Service
CIP — Core Investment Program
SNCF — Société Nationale des Chemins de Fer Français
CET — Controlled Emission Toilet
F/B — Foot Bridge
FRP — Field Reporting Procedures
HTS — High Tensile Steel

LWR — Long Welded Rail
RHA — Road Haulage Association
RIC — Regolamento Internazionale Carrozze
SCUK — Signalling Controls Uk Ltd
EM — Edgemoor & Manetta Railway
AEPX — American Electric Power Service
TPH — Trains per Hour
AM — Arkansas and Missouri
CDNP — Cheques Drawn Not Presented
CEFX — CIT Group/Capital Finance, Inc
DB — Deutsche Bahn
TMD — Traction Maintenance Depot
DGL — Down Goods Loop
EIRC — Eastern Illinois Railroad Company
ACL — Atlantic Coast Line Railroad
SPCC — Southern Peru Copper Corporation
LMSX — Locomotive Management Services
KCT — Kansas City Terminal Railway
FEC — Florida East Coast
AC — Algoma Central Railway
AP TDM — Accounts Payable Electronics, Time Division Multiplex
ATOC — Association of Train Operating Companies
CSS — CHICAGO SOUTH SHORE & SOUTH BEND
SSOR — Sisseton Southern Railway Company
MHSW — Management of Health & Safety at Work Regulations 1992
NSE — Network Southeast
HMRI — Her Majesty's Railway Inspectorate
BTOG — British Transport Officers Guild
SRT — Sectional Running Time
DL&W — Delaware, Lackawanna and Western railroad
GCSR — Gulf, Colorado, and San Saba Railway
AEM — Area Environmental Manager
HCA — Historic Cost Accounting
ETT — Employee Timetable
MQT — Marquette Rail
IP — Investment Proposal
PGE — Pacific Great Eastern Railway
ACIO — Assistant Chief Inspecting Officer
BRIMS — British Rail Incident Monitoring System
MTR — Mass Transit Railway
GMO — Gulf Mobile and Ohio
COBA — Cost Benefit Analysis
CGIX — Collingwood
CEI — CHICAGO & EASTERN ILLINOIS
AVGX — Avon Grain
ROAD — Railway jargon for railway line
HBT — HOUSTON BELT & TERMINAL
AHBC — Automatic Half Barrier Crossing
WLE — Wheeling and Lake Erie Railway Company
PROCSYS — Procurement Control

COER — CRAB ORCHARD & EGYPTIAN
ALG — Association of London Government
CPMT — Central Project Management Team
ZOC — Zone Operational Control
LV — Lehigh Valley Railroad
FHIX — Fruit Growers Express
HFDG — Human Factors Development Group
HOPO — Head Of Projects Organisation
IVPS — Intermediate Voltage Power Supply
PABS — Passenger track Access Billing System
ACTO — Association of Charter Train Operators
LC — Level Crossing
L&B — Land and Buildings
LWVX — Lake Shore Railway Association Inc.
CPD — Capital Programmes Directorate
PM — Pere Marquette Railway
NJT — New Jersey Transit
MAFF — Ministry of Agriculture, Fisheries & Food
W&N — Wharton and Northern railroad
CIÉ — Corás Iompair Éireann
CIC — CEDAR RAPIDS & IOWA CITY
YB2 — Yellow Book issue 2
OHNS — OverHead Line Neutral Section
SSR — Railway Service Contractors
CMNW — CHICAGO MISSOURI & WESTERN
SSN–FTA — Subsystem Fault Tree Analysis
DNE — Duluth and Northeastern Railroad Company
MAA — Magma Arizona Railroad Company
RITC — Railway Industry Training Council
EACH — East Camden and Highland Railroad
GBW — Green Bay & Western Railroad
FCA — Ferrovia Centro Atlantica
REB — Relocatable Equipment Building
CACV — Cooperstown and Charlotte Valley Railroad
AVL — Aroostook Valley Railroad Company
MNS — Minneapolis Northfield & Southern
WLL — West London Line
ECML — East Coast Main Line
NBEC — New Brunswick East Coast Railway Company Incorporated
JLE — Jubilee Line Extension
P — Programme
ASLEF — Associated Society of Locomotive Engineers and Firemen
HAZOP — HAZard OPerability study
WTT — Working Time Table
FMEA — Failure Mode and Effect Analysis
TTC — Toronto Transit Corporation
CO — Chesapeake and Ohio railroad
OCRR — Ottawa Central Railway
LER — Logansport and Eel River Short-Line Company Incorporated
WYPTE — West Yorkshire Passenger Transport Executive

BTCO — Boston Terminal Company
LGV — Ligne Grande Vitesse
SFO — Senior Fire Officer
BRT — British Rail Telecommunications
GNWR — Genesee and Wyoming Railroad Company
DLR — Docklands Light Railway
ZPUG — Zonal Possession User Group
NYLEW — New York, Lake Erie and Western railroad
OCR — Ottawa Central Railway
CS — COLORADO & SOUTHERN
DPPP — Draft Period Possession Plan
SI — Spokane International Railroad Company
NORTA — New Orleans Regional Transit Authority
BO — BALTIMORE & OHIO)
AB — Akron and Barberton Cluster Railway Company
ARPS — Association of Railway Preservation Societies
WSP — Wheel Slip Protection
RID — Regulations governing International carriage of Dangerous goods by rail
DBSO — Driving Brake Second Open
E&P — Engineering and Production
RAFS — Rail Freight Billing System
CRUCC — Central Rail Users Consultative Committee
ACORP — Association of Community Rail Partnerships
GRIP — Guide to Railway Investment Projects
KWT — Kwt Railway, Inc.
DH — Delaware and Hudson Railroad
FCP — Ferrocarril del Pacifico
TCT — Texas City Terminal Railway Company
NTBEP — Not to Be Exceeded Price
JRWX — Johnson Rail Services
UPY — Union Pacific Yard
NHCR — New Hampshire Central Railroad
WSS — Winston-Salem Southbound Railway Company
KOT — Kentucky-Ohio Transportation Co
LAJ — Los Angeles Junction Railway
BEEM — Beech Mountain Railroad Corporation
SIRT — STATEN ISLAND RAPID TRANSIT
EJS — East Jordan & Southern Railroad
ECTB — East Chattanooga Belt Railway Company
PIZ — Pfizer
DPL — Down Passenger Loop
CAG — Contract Approval Group
EOTD — End of Train Device
CIM — Chicago & Illinois Midland
FDDM — FORT DODGE DES MOINES & SOUTHERN
ICAEW — Institute of Chartered Accountants of England and Wales
CUOH — Columbus and Ohio River Railroad Company
RIPM — Railtrack Investment Prioritisation Model
PD — Project Delivery
RR — Railroad Reporting

WESTRACE — Westinghouse Radio Advance Control Equipment
TRACA — Track Condition Assessment
RITS — Rail Infrastructure Transport System
ZCAM — Zonal Corporate Affairs Manager
GWT — Great Western Trains
IDT — Implementation, Development and Training
LC — LANCASTER & CHESTER
GCFX — Alstom Canada Transport
MOS — Motor Operated Switch
AWP — ATLANTA & WEST POINT)
EWD — Each Week Day
RT — River Terminal Railway Company
MUNI — San Francisco Municipal Railway
IECC — Integrated Electronic Control Centre
RFD — Rail Freight Distribution
CAD — Cadiz Railroad
ARTP — Association of Rail Training Providers
GNER — Great North Eastern Railway
SOR — Southern Ontario Railway
QC — Quebec Central
THB — TORONTO HAMILTON & BUFFALO
RPCX — Railroad Passenger Car Numbering Bureau
LCAMS — Low Carbon Austenitic Manganese Steel
DCTA — Denton County Transportation Authority
INLORS — INner London Orbital Route Strategy
TOWS — Train Operated Warning System
SOO — Soo Line Railroad
RUCC — Rail Users' Consultative Committee
LHR — Lehigh and Hudson River
GTR — Great River Railroad
CSN — Companhia Siderúrgica Nacional
RSP — Rail Settlement Plan
JSRC — Jackson and Southern Railroad Company
WOHO — Wabash and Ohio Railroad
R/G — level crossing with miniature Red & Green warning lights
ER — Erie Railroad
WR SSTD — Western Region Solid State Train Describer
KIWIRAIL — Kiwi Rail
PLGS — Position Light Ground Signal
EJR — East Jersey Railroad and Terminal
SLR — ST. LAWRENCE & ATLANTIC
CPTM — Companhia Paulista de Trens Metropolitanos
EPD — Engineering and Production Directorate
DH — Delaware and Hudson
USRA — United States Railroad Administration
D&H — Delaware and Hudson railroad
FWD — FORT WORTH & DENVER
EUKL — Eurostar (UK) Ltd
WICT — WISCONSIN & CALUMET
RPPS — Rail Passenger Partnership Scheme

LNAL — Louisville New Albany and Corydon Railroad
TORUS — Transport Operations Rapid Update System
OHLE — Overhead Line Equipment
JCT — Joint Construction Trades
CHTS — Penn Eastern Rail Lines Incorporated
WMPTE — West Midlands Passenger Transport Executive
LCM — Lake Champlain and Moriah
BM — BOSTON & MAINE
DRIR — Denver Rock Island Railroad
DTI — Detroit, Toledo, & Ironton
CTRW — Carlton Trail Railway Company
PHRR — Port Harbor Railroad
HSTRC — High Speed Track Recording Coach
AB — Absolute Block
ACCOLC — Access Overload Control
CER — Change En Route
MLRI — Multi–Lamp Route Indicator
FWCR — Florida West Coast Railroad Incorporated
TARDIS — TOPS Ancillary Retrospective Data Information Service
DOO(NP) — Driver Only Operation Non Passenger
KFR — Kettle Falls International railway
PWSX — Power Source Supply Inc
WYS — Wyandotte Southern Railroad Company
OPE — Oregon Pacific and Eastern
CCO — Clinchfield Railroad Company
VC — Virginia Central Railway
GWML — Great Western Main Line
TGV — Train à Grande Vitesse
LMD — Light Maintenance Depot
ECBR — East Cooper and Berkeley Railroad Company
IMR — Interlocking Machine Room
AFLR — Alabama & Florida RR
WABL — Wabush Lake railway
NYI — No Year Indicated
IERS — International Environmental Rating System
LTEX — Larry's Truck Electric
ETE — Electrical Traction Engineers
CRI — CHICAGO RIVER & INDIANA
FNOR — Florida Northern Railroad
AFRR — Amador Foothills Railroad
QNSL — Quebec North Shore and Labrador Railway
LIFT — London International Freight Terminal
SGVY — Saginaw Valley Railway Company Incorpora
BBRPL — Balfour Beatty Rail Projects Limited
ACI — Allied Continental Intermodal
ENR — E and N Railway Company Limited
ZPAM — Zonal Public Affairs Manager
ACJR — Ashtabula Carson Jefferson Railroad Company
LVRM — Lehigh Valley Rail Management
L/H — Leasehold

ICG — Illinois Central Gulf
IMRL — I&M Rail Link
ZTE — Zone Telecommunications Engineer
ZWSX — Zanesville & Western
EARY — Eastern Alabama Railway
EAZIAL — Easy Access Zonal Infrastructure Asset Log
DEP — Designated Earth Point
NPBL — Norfolk and Portsmouth Belt Line
AKM — American Kraft Mills
PRI — Preliminary Routing Indicator
LANO — Penn Eastern Rail Lines Incorporated
NOLR — New Orleans Lower Coast Railroad Incorporation
CPEF — Companhia Paulista de Estradas de Ferro
CCT — Central California Traction Company
IMACS — Inventory Management Accounting and Control System
SCW — Safety Critical Work
BABT — British Approved Board for Telecommunications
CCPN — Corpus Christi Terminal Railroad
NPW — Normal Place of Work
IRSE — Institution of Railway Signal Engineers
AMU — Access Management Unit
OJEC — Official Journal of the European Community
JKL — J.K. Line Incorporated
TGV — Train a Grande Vitesse
POMG — Police Incident Office
MKNR — Mackenzie Northern Railway
BRSA — British Rail Staff Association
CEDG — Civil Engineering Design Group
CRI&P — Chicago, Rock Island and Pacific railroad
TWS — Tax Work Sheets
DSL — Denver & Salt Lake
UFL — Up Fast Line
COI — Confirmation Of verbal Instruction
LI — Long Island Rail Road Company
SVP — Safety Verification Plan
VFN — Valuation Field Notes
GWR — Great Western Railway Company
LXOH — Knoxville & Holston River Railroad
GA — Georgia Railroad
BT — Booster Transformer
AVR — Allegheny Valley Railroad
RBRX — RB Railway Group
ILSX — Independent Locomotive Service
EMD — Electro-Motive Division of General Motors
RE&TD — Real Estate and Tax Department
SLW — Single Line Working
SMIC — Site Manager's Information Compendium
LRM — Layout Risk Model
VBR — Virginia Blue Ridge Railway
CTL — Combined Transport Limited

DO — Delaware Otsego
LAWS — Low Adhesion Warning System
PRL — Penn Eastern Rail Lines Incorporated
APRR — Albany Port Railroad
APD — Albany Port District
OTW — One Train Working
GUV — General Utility Van
MDOT — Maryland DOT
FCCM — Compania de Ferrocarriles Chiapas Mayab, SA de CV
KNOR — Klamath Northern Railway
GL — Goods Line
SPCX — Qwest Communications Corporation
CGW — Chicago Great Western Railway
G&SW — Glasgow and South West line
ACY — Akron, Canton and Youngstown
TXL — TX Logistik AG Germany
MPRX — Motive Power & Equipment Solutions, Inc.
ESNA — Eureka Springs and North Arkansas
CRR — Clinchfield Railroad
DCP — Designated Competent Person
PRWX — Railway Entertainment Services Inc.
TMBL — Tacoma Municipal Belt Line Railway
UIC — Union Internationale des Chemin
TSBY — Great Lakes Central Railroad
FGER — Fruit Growers Express Company
SN — Sacramento Northern Railway
NH — New York, New Haven and Hartford Railroad
DDA — Design and Development Authority
ALCO — American Locomotive Company
RGSP — Railway Group Safety Plan
TEB — Telephone Enquiry Bureau
YAN — Yancy Railroad
PEARLS — Personnel Enquiries and Administration Recording Local System
NYLE — New York and Lake Erie Railroad Company
CV — CENTRAL VERMONT PUBLIC SERVICE CORP.
BRIS — British Rail Infrastructure Services
CRA — Call Routing Apparatus
TIIS — Train Infrastructure Interface Specification
S&SD — Railtrack's Safety and Standards Directorate
FUG — Freight Up Grade
PDAC — Performance Data Accuracy Code
PCHR — Port Colborne Harbour Railway
RIC — Rail Incident Commander
DCA — Data Concentrator Appreciation
ESPN — East Penn Railroad
FB — Flat Bottom Rail
RCM(1) — Reliability Centred Maintenance
AERC — Albany and Eastern Railroad Company
RPM — Route Performance Manager
CSR — Cab Secure Radio

CTR3 — Channel Tunnel Route 3
OCTR — Octoraro Railway Incorporated
MSEX — Tour Alaska Inc.Dba Princess Tour
TSWR — Toppenish, Simcoe & Western Railroad
EC4T — Electric Current for Traction
FRDN — H and S Railroad Company Incorporated
IN — Indiana Northeastern Railroad
DFL — Down Fast Line
ABC — Automatic Ballast Cleaner
FRVR — Fox River Valley Railroad
TNMR — Texas and New Mexico Railroad Company
RSL — Rolling Stock Library
LRWN — LITTLE ROCK & WESTERN
CVYR — Hargraves & McCrary, P.A.
KSRY — Kosciusko and Southwestern Railway
ESM — Engineering Safety Management
TRS — Train Ready to Start
SRPTA — Technical Advisor nominated by SRP Secretariat
FF — File Folder
SSLV — Southern San Luis Valley Railroad
PIXC — Passengers in Excess of Capacity
WAB — Wabash Railroad
CIRY — Central Illinois Railroad Company
LEFC — Lake Erie, Franklin & Claron
VPF — Value of Preventing a Fatality criterion
BR — British Railways
HE — Hollis and Eastern Railroad Company
NEG — National Express Group
APC — Automatic Power Control
T/T — Telephone and Telegraph
ADG — Area Delivery Group
TRB — Transportation Research Board
LWRT — Long Welded Rail Train
RUT — Vermont Railway Incorporated
PJRL — Penn Jersey Rail Lines Incorporated
OPT — Orange Port Terminal Railway
DOO(P) — Driver Only Operation Passenger
NJPUC — New Jersey Public Utilities Commission
GANO — Georgia Northern Railway Company
RSTL — Rail Staff Travel Ltd
USRA — United States Railway Association
DCM — Duty Contracts Manager
COWD — Cost Of Work to Date
TBRX — Taylor Rail Group
ADR — regulations concerning the International Carriage of Dangerous Goods by Road
HSTRT — High Speed Track Relaying Tin
DMU — Diesel Multiple Unit
DODX — United States Department of Defense
FGW — First Great Western
APT — Advanced Passenger Train

ATLT — Austin Todd and Ladd Railroad Company
JPBX — Peninsula Corridor Joint Powers Board
ATGX — ATEL Leasing Corporation
GEOGIS — GEOGraphic Information System
CCR — Corinth & Counce Railroad Company
TENS — Trans European Network Strategy
D&C — Design and Construction
IMC — Infrastructure Maintenance Company
GENIUS — GEmini for Non Integrating Unit Stock
LUL — London Underground Ltd
RGS — Railway Group Standard
NJDOT — New Jersey Department of Transportation
PEARS — Paladin data Extract And Recording System
MC1 — Maine Coast
TS&I — Technical Services and Innovation
OMLX — OmniTRAX Leasing Limited
NPM — National Procurement Manager
WYPTA — West Yorkshire Passenger Transport Authority
SPTA — Strathclyde Passenger Transport Authority
CRR — Competition and Regulatory Reviews
DAPP — Draft Annual Possession Plan
ETHERNET — Computer cabling system
WYCO — Wyoming and Colorado Railroad
MKT — Missouri-Kansas-Texas Railroad
SSO — Special Stop Order
LLPA — Long Lead Public Address
VAB — Vehicle Acceptance Board
DVR — Devco Railway Cape Breton Development Corporation now Sydney Coal Railway
EM — Environmental Manager
CRS — Computerised Reservation System
IA — Investment Authority
DV — Delaware Valley Railway Company
GERY — Georgia & Eastern
BPA — Business Planning Analysis
ATAX — Arizona Transit Assembly
TIC — Technical Investigation Centre
JXPT — Jaxport Treminal
AGVX — Ag Valley Co-op
LLPX — Locomotive Leasing Partners
BXN — Bauxite and Northern Railway Company
PICP — Pollution Incident Control Plan
ABC — Atlanta, Birmingham and Coast
PSO — Public Service Obligation
ROA — Right On Arrival
HSDR — High Speed Data Ring
WAGN — West Anglia Great Northern
AEFR — Aurora Elgin and Fox River Electric
RSSB — Rail Safety and Standards Board
BZP — Bright Zinc Plating
DALT — Dallas Terminal Railway

CTC — Centralized Track Control
OKAN — Okanagan Valley Railway Company
FE — Foundation Electronics
JSOP — Joint Signing on Point
NY&NJ — New Jersey and New York railroad
NECR — New England Central Railway
HIRR — Hainesport Industrial Railroad
SFEX — New Brunswick East Coast Railway
FMES — Fixed and Mobile Equipment Supply
SWIFT — Structured What If Technique
RLE — Rail Link Engineering
RMS — Risk Management System
CDMA — Collision Detection Multiple Access
LEM — Local Estimating Manager
IA — Implementation Authority
MNCW — Metro-North Commuter Railroad
SOR — Standard Open Return
KNRY — Korean National Railways
RLGX — Rail Logix, LLC
SAA — Station Access Agreement
BNML — Burlington Northern Manitoba Limited
SMW — St Marys Railway West LLC
NYNH&H — New York, New Haven and Hartford railway
TKEN — Tennken Railroad Company Incorporated
USRC — U.S. Rail Corporation-Jackson Division
PAM — Product Acceptance Manager
SIN — Site Instruction Notice
FA — Fixed Assets
MDRY — Midland Railway Historical Association
ESHR — Eastern Shore Railroad
C/E — Country End
HOBC — High Output Ballast Cleaner
BBRR — Balfour Beatty Rail Renewals
APPX — Appalachian Railcar Services
TRUST — Train RUnning Systems on TOPS
ADMX — ADM Transportation Company
EL — Erie Lackawanna Railway
NRS — National Railway Supplies, Ltd.
SLGW — Salt Lake, Garfield, and Western Railway Company
VECX — VeraSun Energy
WJRR — West Jersey Railroad
DESX — DIESEL ELECTRIC SERVICES
MSRC — Kansas City Southern Railway
BLOL — Bloomer Shippers Connecting Railroad Co.
PC — Penn Central railroad
JE — Joppa and Eastern Railroad Company
SIN — Special Instruction Notice
PSB — Power Signal Box
CG — Central of Georgia Railway
SWRX — Southwind Shortline Railroad Co

BLE — Bessemer and Lake Erie
TIT — Texas International Terminals
NCC — National Control Centre
PFPI — Process for Performance Improvement
CTC — Centralised Traffic Control
GNRR — Georgia Northeastern Railroad
MSP — Measured Shovel Packing
RT1B — Railtrack Track Renewal Contract
SFLR — Shore Fast Line Incorporated
SWELTRAC — South West London Transport Conference
B&M — Boston & Maine Railroad
CRIX — Citicorp Railmark, Inc.
CSM — Commercial Services Manager
VULX — Vulcan Materials Company
EFC — Estrada de Ferro Carajas
TIC — Tester In Charge
SMG — Systems Management Group
HGK — Hafen und Gueterverkehr Koeln
TE — Tacoma Eastern Railway Company
NP — Northern Pacific Railway
O&I — Operations and Interface
BCG — Buffalo Creek & Gauley Railroad
NHVR — New Hope Valley Railroad
GRYR — Grenada Railway
EWS — English Welsh and Scottish railway
SCOT — Scotland
WHOE — Walking Horse & Eastern
STN — Special Traffic Notice
ALM — Arkansas Louisiana and Mississippi Railr
ESI — electricity supply industry
BMIS — Business Management Information System
RSC — Railway Safety Case
DCI — Des Moines & Central Iowa RR
MCTA — Minnesota Central Railroad Company
FCM — Ferrocarriles Nacionales de Mexico
FSRR — FerroSur
MCRR — Monongahela Connecting RR Company
CDM — Control Duty Manager
CORP — Central Oregon & Pacific Railroad
MDW — Minnesota Dakota and Western Railway Com
ILW — Illinois Western Railroad
NATM — New Austrian Tunnelling Method
CSOR — Connecticut Southern Railroad
HCRC — Hillsdale County Ry. Co., Inc.
DAKR — Dakota Rail Incorporated
MRP — Management Reporting Pack
ETR — Electronic Train Recording
VSRR — Virginia Southern Railroad
EUCG — End User Computing Group
IMPS — Investment Monitoring and Planning System

PWRA — Private Wagon owners Registration Agreement
TP — Temporary Placement
SQE — Safety Quality and Environment
BRI — British Rail International
EV — Everett Railroad
COMPASS — COMbined Performance And Safety System
BDLX — Big Dog Lines
MB — Level crossing with Manually lifting Barriers
VIA — Via Rail Canada
CPMY — Coopersville & Marne Railway
LRCX — Livingston Rebuild Center
EQAP — EQuipment APpreciation
RMPD — Route Modernisation Product Delivery
ANY — Athabasca Northern Railway
BCA — Business Critical Application
RR — Raritan River
RHYX — Macquarie Rail Inc
IHIR — Indian Hill & Iron Range
MML — Midland Main Line
JTCO — Jacksonville Terminal Company
LT — London Transport
AOK — Arkansas-Oklahoma Railroad
DCIO — Deputy Chief Inspecting Officer
ESLJ — East St. Louis Junction Railroad
LGV — Ligne A Grande Vitesse
OLB — Omaha Lincoln and Beatrice Railway Company
TZPR — Tazewell and Peoria Railroad
CCU — Core Control Unit
BEDT — Brooklyn East District Terminal
FPL — Facing Point Lock
GPL — Ground Position Light
CMGN — Central Michigan RR
BMRR — Beech Mountain Railroad
EN — Euro Norm
NBX — Not Boxed
SSIC — Solid State Interlocking Controller
NPMEA — National Planning Manager, Engineering Access
NYA — New York and Atlantic Railroad
ISG — Infrastructure Support Group
AVACS — Aire VAlley Control System
GCW — Garden City Western Railway Company
LC — Line Clear
CD — Ceske Drahy
S&F — Switches & Fittings
SSIDES — Solid State Interlocking Design
MSTL — Minneapolis & St. Louis
DMIR — Duluth, Missabe and Iron Range
YST — Youngstown Sheet and Tube
MZSA — Midland Zone Sponsors Agent
FGMR — Fruit Growers Express Company

PLBX — Palmetto Brick
MCF — Microfilm Roll
TRB — Train Recording Book
RIDRR — Railway Industry Dispute Resolution Rules
AMWX — AMERICA MOTIVE POWER, INC
DMCI — Des Moines & Central Iowa RR
CENELEC — European Committee for Electrotechnical Standardisation
TRC — Infrastructure track Renewal Company
NPS — National Payroll System
MNVA — Minnesota Valley Transportation Company
LPA — Local Procurement Agent
NPR — Northern Plains Railroad Incorporated
NYNHH — New York, New Haven and Hartford railway
DEMU — Diesel-Electric Multiple Unit
GW — Great Western Bank
CPRR — Central Pacific Railroad
PNR — Panhandle Northern Railroad Company
AHQ — British Transport Police Area Headquarters
TSSU — Time Slot Sharing Unit
GAAB — Georgia and Alabama Division South Carolina Central Railroad
NYD — New York Dock Railway
GASX — Gerdau Ameristeel
ATR — Automatic Train Reporting
MHMR — Mount Hope Mineral railroad
CRGX — Cargill Incorporated
LCU — Local Control Unit
IBT — International Bridge and Terminal Company
MT — Mississippi and Tennessee RailNet Incorporated
SOT — SOUTH OMAHA TERMINAL RAILWAY COMPANY
DPA — Delegated Procurement Authority
AIP — Area Investment Panel
CAMS — Cost Allocation Management System
LUN — Ludington and Northern Railway
BM — Boston and Maine Railroad Corporation
AOCL — Automatic Open level Crossing Locally monitored by train crew
VCB — Vacuum Circuit Breaker
CEMR — Central Manitoba Railway Incorporated
RUPP — Road Used As A Public Path
LTA — Lost Time Accidents
AOCR — Automatic Open level Crossing Remotely monitored
NFPA — National Fire Prevention Association
TOE — Texas Oklahoma and Eastern RR Company
VCRR — Ventura County Railroad Company
WTRM — Warren and Trumbull Railroad Company
GFR — Grand Forks Railway Company
GCRY — Grand Canyon Railway
TRU — Track Recording Unit
GFRR — Georgia and Florida RailNet
RIA — Railway Industry Association
MATT — Mattagami Railroad

FDP — Ferrocarril de Panama
LEF — Lake Erie Franklin and Clarion Railroad Company
RLK — RailAmerica Ottawa Valley Railway
BAR — Bangor and Aroostook
APM — Area Production Manager
TDS — Train Dispatcher Sheets
FBMIS — Finance and Business Management Information System
CARX — Caliber Auto Transfer
CPLT — CAMINO, PLACERVILLE & LAKE TAHOE RAILROAD CO.
PDM — Project Development Manager
WEN — Weekly Engineering Notice
ROP — Rules of the Plan
RSF — Right Side Failure
SSM — Safety Strategy Manager
ACEX — Altamont Commuter Express
BR — Buffalo and Pittsburgh
NBSR — New Brunswick Southern Railway Company
DPL — Down Platform Line
NRNJ — Northern railroad of New Jersey
DDN — Dispatcher's Daily Notes
TWA — Transport and Works Act
AGLF — Knoxville and Holston River Railroad
NWSW — Northwestern Steel and Wire Co.
TOU — Train Operating Unit
BRAN — Brandon Rail
NDA — Not Described Alarm
BPA — Business Planning Accountant
IOCR — Indiana & Ohio Central Railroad
TCI — Transportation Consultants International
DAKS — Dakota Short Line
PRSL — Pennsylvania Reading Seashore Lines
EAZ — East Anglia Zone
PUG — Passenger Up Grades
DLW — Delaware Lackawanna and Western
BRUTE — British Railways Universal Trolley Equipment
MCSA — Moscow, Camden, and San Augustine Railroad
RIAC — Railway Industry Advisory Committee
DCON — Detroit Connecting Railroad Company
CBRM — Chillicothe-Brunswick Rail Maintenance Authority
UGL — Up Goods Loop
PVRR — Pioneer Valley Railroad Company Incorporated
SOWC — Shows Occupied when Clear
NWR — Normal Working Resumed
DLCX — Diesel Locomotive Co LLC
MIDH — Middletown and Hummelstown RR Company
PLW — PL and W Railroad Incorporated
SRP — Statutory Reporting Pack
BB — Buildings and Bridges
AEC — Atlantic and East Carolina Railway Compa
PS — Pittsburg and Shawmut Railroad Company

TSC — Track Section Cabin
LPN — Longview, Portland & Northern
BRR — British Rail Research
SNR — Sunflour Railroad Incorporated
APP — Annual Possession Plan
PLYX — US Plywood
MFCC — M. F. Coffman Collection
RLCX — RELCO
NYSW — New York Susquehanna and Western
BMS — Berlin Mills Railway
BRENDA — BRidge ENgineer Data, computer system
CDOT — Conneticut Department of Transportation
LLX — Luria Brothers
EFRTC — European Federation of Railway Trackwork Contractors
CMR — Indiana Rail Road Company
EFCB — Estrada de Ferro Central do Brasil
FRAME — Fault Reporting And Monitoring Equipment
BS&TE — Business Signal & Telecommunications Engineer
CA — Chesapeake & Albemarle
TRRY — Trillium railway
UPWSF — UnProtected Wrong Side Failure
OPM — Operational Planning Manager
EN — ESQUIMALT & NANAIMO
KPR — Kelowna Pacific Railway Limited
NSKT — No Signaller Key Token
FCMR — Fort Collins Municipal Railway
NFM — National Fare Manual
CSAC — Candidate Special Area of Conservation
IMP — Industrial Metals Processing
IAIS — Iowa Interstate Railroad
USS — U.S. Steel
ITCO — Intracoastal Terminal Co
JJRR — J and J Railroad
VDP — Vertical Design Package
SPT — Strathclyde Passenger Transport
EIRENE — European Integrated railways Radio Enhanced NEtwork
CNUR — C and NC Railroad Corporation
FIBU — FIfty hertz Booster Unit
REPTA — Railway Employees Privilege Ticket Association
RM — railroad mark
GTRA — Golden Triangle Railroad
CPST — Central Project Sponsor's Team
ACM — Area Consents Manager
RSAB — Rolling Stock Acceptance Board
MNC — Missouri North Central RR
EJE — Elgin Joliet and Eastern
EFA — Estrada de Ferro Amapa
EMU — Electric Multiple Unit
SRCL — Southern Rails Cooperative
SWTH — Signalling Works Testing Handbook

CLIF — Cliffside Railroad
CBCT — Communications Based Train Control
PLS — Position Light Signal
MNJ — Middletown & New Jersey Railroad
WTLC — West Texas & Lubbock Railroad Co Inc.
DPC — Development Planning Centre
CBQ — Chicago, Burlington, & Quincy Railroad
ACRC — Andalusia & Conecuh Railroad Company
BCR — Bay Coast Railroad
CMO — Chicago, St Paul, Minneapolis and Omaha
RJIS — Rail Journey Information System
JMHX — J. M. Huber Corporation
JEFW — Jefferson Warrior Railroad Company
LIRR — Long Island Railroad
ATCO — Association of Transport Co-ordinating Offices
LB — Line Blocked
ATB — Automatic Ticket Barrier
TNM — Train Network Management
EEC — East Erie Commercial Railroad
SCL — Seaboard Coast Line Railroad
PROMISE — Planning and ResOurces MonItoring SystEm
SIGTAN — SIGnalling equipment Technical Advice Notice
GSF — Georgia Southern and Florida Railway Company
NE — National Express
TPO — Travelling Post Office
IRJ — Insulated Rail Joint
KDC — key distribution centre
IAT — IOWA TRACTION RAILROAD CO
KW — Keota & Washington RR
QRA — Quantified Risk Analysis
LMIC — Lake Michigan and Indiana Railroad
INRD — Indiana Railroad
USAX — United States Army
FXE — Ferromex
ATIX — Alstom Transportation Incorporated
VSO — Valdosta Southern Railroad
TEXC — Texas Central Railroad Company
CTA — Chicago Transit Authority
WVRC — WABASH VALLEY RAILROAD CO.
LS — Lehigh and Susquehanna railroad
NEOUCOM — Northeastern Ohio University Colleges of Medicine
DTL — Down Tilbury Loop
RCPE — Rapid City Pierre & Eastern Railroad
SPADMIS — Signal Passed At Danger throughout Information System
DTSL — Detroit & Toledo Shore Line
LMS — London, Midland & Scottish railway
FCRD — First Coast Railway
ELGX — Trains Touristiques De Chaudiere-Appalaches
RPI — Revenue Protection Inspector
CWM — Carriage Washing Machine

BNC — British National Connector
CFMG — Chemin de Fer de LA Matapedia et du Golfe Inc.
RPL — Rail Property Limited
GOB — Gospel Oak to Barking line
LHRR — Longhorn Railroad
TDA — TRUST Delay Attribution
HNS — Houston North Shore
BRG — Business Review Group
BRBS — British Rail Business Systems
NRM — National Railway Museum
EDW — El Dorado and Wesson Railway Company
RFFSA — Rede Ferroviária Federal SA
MGLX — Mobil Grain Ltd.
TTI — Transkentucky Transportation
RNCX — North Carolina Dept Of Transportation
AMTL — Agence métropolitaine de transport
EPTC — East Portland Traction
ELR — Engineers Line Reference
SRP — Safety Review Panel
ATTA — Automatic Track Top and Alignment
BLMR — Blue Mountain Railroad
SCT — Sioux City Terminal Railway
JCAC — Johnson County Airport Commission
ALL — America Latina Logistica
EFE — Electrification Fixed Equipment
PNRR — Pennsylvania Northeastern
EPB — Electro Pneumatic Brake
PRSX — Progress Rail Services Corporation
NPPR — Nez Perce-Pomeroy RR Co
DAIR — D and I Railroad Company
HBL — Harbor Belt Line
DTMF — Dual Tone Multi-Frequency
SBD — Seaboard System Railroad
LOS — Limit Of Shunt indicator
LN — Louisville and Nashville
CVRY — Caddo Valley Railroad Company
MPEX — Motive Power Industries
GATX — General American Marks Company
LKRR — Little Kanawha River Rail Incorporated
BCSR — Buckeye Central Scenic Railroad
NEKM — Northeast Kansas & Missouri
AF — Auxiliary Feeder
BRT — Brotherhood of Railroad Trainmen
CAE — Chicago Aurora and Elgin
CHH — Cheswick and Harmar
MNA — Missouri & Northern Arkansas
BDM — Business Development Manual
VNCAB — Vehicle and Network Change Approvals Board
HW–POINT — Particular type of point with electricmotor drive
FLT — Freight Liner Terminal

KSW — Kansas Southwestern Railway
LRS — Laurinburg and Southern
SMOS — Structure Mounted Outdoor Switchgear
DMMU — Diesel Mechanical Multiple Unit
MNCR — Metro North Commuter Railway
TPC — Train Performance Calculator
I/L — InterLocking
PSRG — Project Strategy Review Group
JCN — JunCtioN
NEGS — New England Southern Railroad
CWC — Charleston and Western Carolina
CWL — Cornwall Railroad
RSABGP — RSAB Group which provides support to RSAB and projects
MTP — Mode of Travel Priority
VLIX — Vintage Locomotives Inc
EMLX — Electro-motive Leasing
PAL — Paducah and Louisville
NRNA — National Radio Network Appreciation
WTF — Wrong side Telecommunications Failure
UTCX — Union Tank Car Company
USSC — United States Sugar Corporation
DGI — Dangerous Goods Incident
EIP — Examination in Public
MPD — Major Projects Division
VSR — Valley & Siletz RR
ITPM — IT Process Model
IMRR — Illinois Midland Railroad
SSIDWS — Solid State Interlocking Design WorkstationS
CNRX — Canadian Northern Railway LLC
AHB — Automatic Half Barrier level crossing
SICA — Signalling Infrastructure Condition Assessment
CCRX — Cape Cod Railroad
APLAN — track Access PLANning system
WE — Wheeling and Lake Erie
OPR — Oregon Pacific Railroad
AC&Y — Akron, Canton and Youngstown railroad
INOH — Indiana and Ohio Railroad Incorporated
BHRR — Birmingham Terminal Railway
GECX — General Electric Company
TCG — Tucson Cornelia and Gila Bend Railroad Company
LNER — London North Eastern Railway
NSTR — No Signaller Token Remote
CRIP — Chicago Rock Island & Pacific
OPS — Outline Project Specification
TCF — Track Circuit Failure
TNO — Texas & New Orleans
FTS — Failure to Stop
CAMPS — Computer Assisted Maintenance Planning System
AEE — American European Express
DMN — Duluth Missabe and Northern Railway

PBNE — Philadelphia Bethlehem and New England R
SAL — Seaboard Air Line Railway
BITY — Penn Eastern Rail Lines Incorporated
SNCT — Seattle & North Coast R.R. Co.
CUVA — ISG Cleveland Works Railway Company
MOC — Missouri Central Railroad Company
IORPS — Integrated Operational Railway Planning System
DIADS — Diagram Input And Distribution System
DPC — Data Protocol Converter
GRIV — Gauley River Railroad LLC
ARI — Alphanumeric Route Indicator
DETP — Detailed Engineering Train Plan
ABLX — American Refrigerator Transit Company
NCB — nevada copper belt
KCPS — Kansas City Public Service
CNL — Columbia Newberry and Laurens
WHRC — Windsor and Hantsport Railway
SDCR — South Dakota Central
EWS — English, Welsh & Scottish Railway Ltd
ELP — East London Partnership
LIRX — Lapeer Industrial Railway
FDDB — Fibre Distributed Database
RCM(2) — Remote Condition Monitoring
L/S — London Side
TN — Texas and Northern Railway Company
BP — Brake Pipe
QCR — Quebec Central Railway
RIV — Regolamento Internazionale Vagoni
BVL — Bound Valuation Ledger
N&W — Norfolk and Western railway
S&C — Settle and Carlisle
B&H — Bath and Hammondsport railroad
RSP — Roscoe Snyder and Pacific Railway
VS — V and S Railway Incorporated
EVWR — Evansville Western Railroad Inc
GWR1 — Great Western
COE — Colorado & Eastern
FGLK — Finger Lakes Railway
CARW — Carolina Western Railroad
DPPP — Disabled Peoples Protection Policy
MWLX — Midwest Locomotive Works
RLEX — Republic Locomotive
ALKX — Airlake Terminal Railway Co.
WPYR — White Pass & Yukon Route
MTCO — Macon Terminal Company
WCRM — West Coast Route Modernisation
MEC — Maine Central Railroad
CIND — Central RR of Indiana
WS — Ware Shoals RR
SSDK — Savannah State Docks Railroad Company

PHD — Port Huron and Detroit Railroad Company
MS — Michigan Shore Railroad Incorporated
ETD — National Extension Trunk Dialling
PHLX — Parrish & Heimbecker Limited
TCN — Train Communications Network
BS SPEC — British Standards specification
PCRC — Panama Canal Railway Company
CERT — City of Edinburgh Rapid Transport
MNRR — Modoc Northern Railroad Company
BFC — Bellefonte Central Railroad
PPTC — Powered Plant Training - Chainsaw
LSPD — Local Safety Policy Document
REA — Railway Express Agency Corporation
PLAX — PORT OF LOS ANGELES
BBRM — Balfour Beatty Rail Maintenance Limited
O/B — Over Bridge
INPR — Idaho Northern & Pacific Railroad
OURD — Ogden Union Railway and Depot Company
TAA — Track Access Agreement
TUPE — Transfer of Undertakings
GEGX — GE Gas Turbine
IRRC — Iowa R.R. Co.
MMRR — Mid-Michigan Railroad Incorporated
FCEN — Florida Central Railroad
PAL — Property Action Line
LITM — Local IT Manager
EHD — East Ham Depot
ONCT — Ontario Central Railroad Corporation
ES — Engineering Supervisor
DKS — Union Pacific Railroad Company
WC — Wisconsin Central Railway
CARR — Carrollton Railroad
CDR — Cheap Day Return
BRTC — Brotherhood of Railroad Trainmen Sub-Collection
AWB — Advance Warning Board
GKLX — Gold Kist, Inc.
EAWA — Electricity at Work Act
ITS — Infrastructure Testing Services
EDP — Electrification Distribution and Plant
WB&E — Wilkes-Barre and Eastern railroad
FWRY — Fillmore Western Railway Company
PHIS — Performance Historical Information System
MMC — Monopolies and Mergers Commission
CIMU — Central Infrastructure Maintenance Unit
OHRY — Owego and Harford Railway Incorporated
LOAM — Lousiana Midland
DAB — Departmental Advice Blue
PTRR — Port Townsend Railroad Incorporated
LIRC — Louisville & Indiana
SWP — Southwest Pennsylvania Railroad

CCUO — Chicago-Chemung Railroad Corporation
ATT — Advanced Tilting Train
P3 — Primavera Project Planner
PCY — Pittsburgh Chartiers and Youghiogheny
WCML — West Coast Main Line
PBRR — Pine Belt Southern Railroad Company
ABP — Aberdeen & Briar Patch
FIRR — Flats Industrial Railroad
PWS — Permanent Way Supervisor
BST — Basic Signalling Technology
GMSR — Kansas City Southern Railway
CM — Central Montana Rail Incorporated
SSRB — Special Speed Restriction Board
LSMS — Lake Shore Michigan Southern Railroad
WRHX — Creative Charters Inc
GWRS — Great Western Railway Company
WGNS — Wisconsin Great Northern Railroad Inc
FPE — Fairport, Painesville & Eastern R.R. Co
TWE — Track Welding Engineer
MAEG — Maersk Sealand
SPARESCO — Spare part company
ACWR — Aberdeen, Carolina & Western Rwy
MCB — Miniature Circuit Breaker
COT — Condition of Track
SSDC — Signalling Systems Direct Current
WRCC — Wyoming Railcar
NAPS — National Accounts Payable System
ITC — Illinois Terminal Railroad
CLCO — Claremont & Concord
VWL — Vancouver Wharves Limited
WNYP — Western New York and Pennsylvania
CPD — Cleveland Plain Dealer
ATN — Alabama & Tennessee River Railway Llc
MIRS — Mare Island Rail Service
RIZ — Rock Island
YVT — Yakim Valley Transportation Company
MIDS — Midlands
SSX — Southern States Phosphate and Fertilizer Co.
NEZP — Nezperce Railroad
DDI — Design Development and Implementation
HSTR — High Speed Track Recording
GSWR — Georgia Southwestern Railroad
STLH — St Lawrence and Hudson
EP — Electronic Principles
GMR — Georgia Midland Railroad
RRW — Rockton Rion & Western
AFD — Automatic Fire Detection
NPTR — Northwood Pulp and Timber, Ltd.
SEC — Southern Electric Company
RIL — Railtrack Insurance Limited

NAP — Narragansett Pier Railroad Company
NYOW — New York, Ontario and Western Railway
BH — Bath and Hammondsport Railroad
TRAMM — Track Renewal And Maintenance Machine
SOPOR — Societe du Port Ferroviaire de Baie-Comeau Haute-Rive
AWW — Algiers Winslow and Western Railway
ABCX — Alabama Byproducts Corporation
FGE — First Great Eastern
EPA — Engineering Publications Assistant
RLHH — Southern Ontario Railway
SETA — Signalling Eqipment Technical Agent
PH — Professional Head
CPW — CHICAGO, PEORIA & WESTERN RAILROAD CO.
CGR — CG Railway, Inc
BOP — Booking On Point
ARRC — Advanced Railway Research Centre
KOG — Kansas, Oklahoma, & Gulf
GIS — Graphical Information System
SPUD — St. Paul Union Depot Company
PSAP — Puget Sound and Pacific Railroad Company
PDS — Project Definition Stage
WKRL — Western Kentucky Railroad
TD–T — Transmission Course (Training)
NJII — New Jersey, Indiana and Illinois Railroad
ARA — American Railway Association
JSE — Janesville & Southeastern
TMR — Metropolitano Roca
NRES — National Railway Enquires
IMU — Infrastructure Maintenance Unit
FIRM — Fares Increases Regulation Mechanism
TIRE — Ticketing Incentive REgime
NYO&W — New York, Ontario and Western railway
WMP — Waste Management Plan
TMS — Metropolitano San Martin
SDIV — San Diego and Imperial Valley Railroad
T&V — Tresspass & Vandalism
FMID — Florida Midland Railroad Company Incorpo
ASBPC — Adjacent SignalBox Protocol Converter
SRY — Southern Railway of British Columbia
GC — Georgia Central Railway
PGC — Producers Grain Corporation
DML — Down Main Line
CVL — CUYHOGA VALLEY LINE RAILROAD
TXNW — Texas North Western Railway Company
RCL — Railway Claims Ltd
ACTC — Atlantic City Transit Company
TRU — Infrastructure track Renewal Unit
SLQ — St. Lawrence and Atlantic Railroad
MDC — Management Driven Change
TCA — Track Circuit Actuator

OTMR — On Train Monitoring Recorder
NCPR — North Carolina Ports Railway
CMD — Central Materials Depot
TXOR — Texas and Oklahoma Railroad Company
BA — Baltimore & Annapolis
MEP — Member of European Parliament
PRIDE — Passenger Rail Information Display Equipment
NIWX — Northern Illinois and Wisconsin Railway
PSR — Passenger Service Requirement
WAMX — Webb Asset Management
EROS — Emergency Restriction Of Speed
PCB — Petty Cash Book
CCCR — Cape Cod Central Railroad
ECR — Euro Cargo Rail
TRRY — Trillium Railway Co. Ltd.
TXR — Texas Rock Crusher Railway Company
ECR — Evaluation of Change Request
DT1 — Detroit Terminal
AEEU — Amalgamated Electrical Engineering Union
VOBC — Vehicle OnBoard Control
PRIMA — Professional Rail Industry Management Association
MARC — Maryland Transit Administration
HOCM — Head of Contract Management
FRA — Fixed Rate Agreement
DSL — Down Slow Line
NICD — Northern-Indiana Commuter Transportation
HESR — Huron and Eastern Railway Company
LSTT — Lake Superior Terminal Transfer
CHS — Charlotte Southern Railroad
CHP — Ferrocarriles Nacionales de Mexico
EAM — Engineering Access Manager
SFG — Societe du Chemin de Fer de la Gaspesie
VLI — Valor da Logistica Integrada
WVN — West Virginia Northern Railroad
RTD — Regional Transportation District
ETH — Electric Train Heating
POV — Pittsburgh & Ohio Valley
NN — Northern Nevada Railroad Corporation
RRCI — Redmont Railway Company Incorporated
LDG — List of Dangerous Goods
ATSF — Atchison, Topeka & Santa Fe
MCB — Manually Controlled Barrier
ALS — Alton and Southern Railway
MNBR — M and B Railroad LLC
OHK — Kruse Grain
NAT — Not Applicable Timetable
PRTD — Portland Traction
FNM — Ferrocarriles Nacionales de Mexico
NBN — Nicolet, Badger & Northern
RPI — Revenue Protection Officer

WFE — Western Fruit Express
TOPS — Total Operations Processing System
NRA — National Rail Academy
CB&Q — Chicago, Burlington and Quincy railroad
PTRD — Portland Traction Co., Portland R.R. and Terminal Division
MBTA — Massachusetts Bay Transit Authority
PW — Parallel Wing
FC — Fair Condition
EMGTPA — Equivalent MillionGross Tonnes Per Annum
GWZ — Great Western Zone
MR — McCloud Railway Company
NCOK — North Central Oklahoma Railway
FJG — Fonda Johnstown & Gloversville RR
NTP — North Trans–Pennine route
CANX — CANAC International Incorporation
MGRI — MG Rail Incorporated
HS — H and S Railroad Company
SKOL — South Kansas and Oklahoma
CVR — Cimarron Valley Railroad L.C.
KTS — Kenosha Trolley
CWRO — Cleveland Works Rail Operations
HSM — Hand Signal Man
PVRX — Pook Valley Railroad
MOS — Mobile Operations Supervisor
WTLR — West Texas and Lubbock Railroad Company
IRRS — International Rail Road Systems, Inc.
HBRY — Hudson Bay Railway Company
UO — Union Railway of Oregon
ICE — InterCity Express
LB — Loose Bound
SEMTA — South East Michigan Trans Auth
MIGN — Michigan Northern Railway
SFO — Station Facility Owner
NRLS — Network Rail Line Standards
ALT — AIRLAKE TERMINAL RAILWAY COMPANY
RICP — Rail Incident Control Post
BRPX — Blue Ridge Paper
SRYC — Sierra Railway Company of California
L&S — Lehigh and Susquehanna railroad
HCRY — Huron Central Railway
TCB — Track Circuit Block
DVS — Delta Valley and Southern Railway Company
C&E — Chicago and Erie Railroad
AEWZ — Erie Western
JTPX — Joseph Transportation, Inc.
SWA — Steel Wire Armoured
FC — Fulton County Railroad Incorporated
OTSX — On Track Rail Services
DFO — Depot Facility Owner
ACE — Area Civil Engineer

MOT — Marine Oil Transportation
TTC — Toronto Transit Comission
QC — Quebec Central Railway
TPS — Traction Power Supply
OP — Outside Party
DTRR — Detroit Terminal Railroad
CRTA — Cleveland Rapid Transit
SVI — Southern Railway of Vancouver Island
MDLE — Mount Dora & Lake Eustis Railway
NYE — New York and Erie railroad
OCE — Oregon California & Eastern
CTR1 — Channel Tunnel Route 1
LLW — Lavacot Locomotive Works
QGRY — Quebec Gatineau Railway Incorporated
PREX — Pioneer Rail Equipment
UEL — Up Electric Lane
RSCI — Real Staff Cost Increase
NRA — National Rivers Authority
NPCCS — Non Passenger Carrying Coaching Stock
ME — Morristown & Erie Railroad
RES — Rail Express SystemsRailCons
NNW — Nebraska Northwestern Railroad
DPM — Development Planning Manager
MPU — Motive Power Unit
SIPS — Supplier Performance Monitoring System
OHPA — Ohio and Pennsylvania Railroad Company
ATA — Automatic Track Alignment
AMP — Asset Maintenance Programme
MSO — Michigan Southern Railway
ITI — Unknown
RCDO — Railway Crossing Diversion Order
MCA — Maywood Co-op Association
CO — Chesapeake & Ohio
KRMX — KAWASAKI RAIL CAR, INC
SWKR — San Pedro and Southwestern Railway Compa
DKPX — Duke Power Company
DWL — Dynamic Warning Lights
GTW — Grand Trunk Western
BSN — Bridge Strike Nominee
NWP — Northwestern Pacific Railroad Company
OLO — Ontario LOrignal Railway Incorporated
WT — Wrightsville & Tennille
TXGN — Texas Gonzales and Northern Railway Comp
S&C — Switches and Crossings
ETRY — Eastern TN Railway
BCS — Better Chemical Solutions
PETS — Public Emergency Telephone System
FOU — Freight Operating Unit
SSAP — Statement of Standard Accounting Practice
GWWE — Gateway Eastern Railway Company

UPL — Up Platform Line
MICC — Management Information Communications Centre
ER — Eesti Raudtee
NHRR — New Hope and Ivyland Rail Road
BRP — Budget Reporting Pack
CWP — Chicago West Pullman and Southern
DQE — De Queen and Eastern Railroad Incorporat
CLSL — Columbia and Silver Creek Railroad
KCCS — Kansas City Clinton & Springfield
WCTU — White City Terminal & Utility
CQPA — Central Columbiana & Pennsylvania RR
UPL — Up Passenger Loop
KRT — Kanawah River Terminals
DB — Deutsche Bundesbahn, German State Railways
FP — Flexibility Premium
MRSL — MRS Logistica
ORN — Overlay Radio Network
DMSS — Development Manager, Signalling Strategy
TMD — Train Mass Detectors
AZER — Arizona Eastern Railway Company
LNE — Lehigh and New England Railroad, Conrail
OPUG — Other Passenger Upgrades
WIMX — Wimpey Minerals USA, Inc.
CATX — General American Marks Company
TVM — Transmission Voice Machine, French ATP system
EIRR — Eastern Idaho Railroad Incorporated
STRT — Stewartstown Railroad Company
BR1 — British Railways
C2C — Acronym for London Tilbury and Southend lineRailCons
RESX — Rescar, Inc.
JCN — Job Cost NumberN
ISAR — Information Systems Activity Request
URO — Union Railroad of Oregon
SSG — Safety Strategy Group
LTS — London, Tilbury and Southend Rail
HVI — High Voltage Impulse
DRHY — Durham Transport Incorporated
MGR — Merry–Go–Round
RTPI — Real Time Passenger Information system
BHP — BHP Nevada Railroad Company
TIR — Transports Internationaux Routiers
ERIE — Erie Railroad
CPA — COUDERSPORT & PORT ALLEGHENY RAILROAD
RSBS — Railway Standard Building Specification
DCP — Document Control Point
CT — Central Trains
BMRG — Blue Mountain and Reading
AGT — Automatic Guideway Transit
IHRC — Indiana Hi Rail Corporation
OTM — On–Track Machine

LV — LiVerpool Street
TYBR — Tyburn Railroad Company
SWGR — Seagraves Whiteface and Lubbock Railroad
MSDR — Knoxville & Holston River Railroad
SWIMCO — South West Iinfrastructure Maintenance COmpany)
CSP — Camas Prairie RailNet Incorporated
PRM — PRocurement Manager
R/T — Right Time
OCW — Ocean City Western Railroad
DJRR — Decatur Junction
LTA — London Transport Authority
AWE — Advance Warning Estimates
GSP — Ground Switch Panel
HOFE — Head Of Engineering
EMRY — Eastern Maine Railway Company
CM — Contracts Manager
TORR — Train Operated Route Release
PROMPT — PRiority On Managing Performance Trends
HEX — Heathrow EXpress
PCTE — Profit Centre Telecommunications Engineer
DTS — Dynamic Track Stabiliser
TBS — Transmission Based Signalling
ARA — Arcade and Attica Railroad Corporation
CSA — Cross–Sectional Area
EI — Electrical Installation
JKWI — Johnsonburg, Kane, Warren and Irvine Railroad
PSCX — Public Service Of Colorado
VE — Valuation Engineer
WM — Western Maryland Railroad
TL — Through Line
NRN — National Radio Network
ATT — Active Tilting Train
NFTA — Niagara Frontier Transit Authority
GMDX — General Motors Diesel Canada
LCRC — Lenawee County Railroad
CKRY — Central Kansas Railway Incorporated
ICM — Internal Communications Manager
MSN — Meeker Southern Railroad
RHT — Railway Heritage Trust
YKR — York Railway
FORI — Fibre Optic Route Indicator
SLOA — Steam Locomotive Operators Association
ISU — Infrastructure Services Unit
AMS — Austenitic Manganese Steel
CHRR — Chesapeake Railroad Company
TPPP — Transport Policies and Programme Package
RI — Relay Interlocking
MSL — Level crossing with Miniature Stop Lights
SPSR — San Pedro & Southwestern Railway Co
RISSC — Railway Industry Safety Strategy Comittee

PE — Peoria & Eastern
DRA — Driver Reminder Appliance
ORR — Office of the Railway Regulator
VPI — Vital Processor Interlocking
DAC — Depot Access Conditions
WYT — Wyandotte Terminal Railroad Company
VSTP — Very Short Term Plan
RA — Route Availability
SRG — Safety Review Group
PWMA — Permanent Way Maintenance Assistant
TPWSSA — Train Protection Warning System Sponsor's Agent
RSAG — Railway Safety Advisory Group
HRLX — Housatonic Logistics Company LLC
FLR — Fife Lake Railway
NLR — North London Railways
SI — Site Instruction
SMFD — Systems Management Framework Design
LRR — Little River Railroad
HTW — Hoosac Tunnel and Wilmington
OS — Ontario Southland Railway Inc.
KGBW — Kewaunee Green Bay and Western
PF — Pioneer and Fayette Railroad Company
PADS — Parts And Drawing System
NB — Northhampton and Bath railway
DRSX — DOT Rail Services
GDI — Graphical Data Interface
RRNW — Regional Railways North West
LBR — Lowville and Beaver River Railroad Company
PCSE(W) — Profit Centre Signal Engineer (Works)
TIC — Track Inspection Coach
FRVT — Fore River Transportation Corporation
GSW — Great Southwest Railroad
MAW — Maumee and Western Railroad Corporation
CTR — cost time resource
IGMX — Integrated Grain & Milling
SSG — Systems Strategy Group
GRWR — Great Walton Railroad
ELS — Escanaba and Lake Superior Railroad Comp
KCSM — Kansas City Southern de Mexico
SMRR — Sisseton Milbank Railroad Incorporated
TCM — Time Cycle Maintenance
API — Applications Interface
FEPASA — Ferrovias Paulistas SA
JRS — Johnson Rail Services
HOP — Head Of Projects
ROCK — Chicago, Rock Island and Pacific Railroad
GITM — Golden Isle Terminal RR
IS — Intermediate Signalling
TAG — Track Access Grant
CRT — Construction Round Table

RSNR — Red Springs & Northern
PUWER — Provision and Use of Workplace Equipment Regulations 1992
SAM — Switch Activating Mechanism
F/H — FreeHold
NOW — Northern Ohio & Western
GRN — Greenville and Northern
CHTT — Chicago Heights Terminal Transfer Railroad
SPADRAM — SPAD Reduction & Mitigation
DT — Decatur Junction Railway Company
HRRC — Housatonic Railroad Company
SP — Single-Phase
TSH — Tshiuetin Rail Transportation Inc
AFT — AMERICAN FREEDOM TRAIN FOUNDATION
SFT — Stress Free Temperature
AREA — American Rail Engineers and Maintenance Association
TT — Toledo Terminal
DEL — Down Electric Line
MEF — Modern Equivalent Form
LVRC — Lamoille Valley Railroad
CA — Cash Accounts
SW&W — South Wales and West
DFG — Del Fungo Giera Servizi Ferroviari Srl
AN — Apalachicola Northern Railroad
NDN — National Data Communications Network
RIG — Railway Industry Group
PER — Portable Equipment Room
HA — Hanson Aggregates
DMVW — Dakota Missouri Valley and Western Railr
MOW — Maintenance-Of-Way
LNE(Z) — London North Eastern (Zone)
SCRX — SOUTH CAROLINA PUBLIC RAILWAYS
WCRC — Washington Central Railroad Corporation
RT1A — Railtrack Infrastructure Maintenance Contract
WCML RM — West Coast Main Line Route Modernisation
MON — Monon Route
TEU — Twenty Foot or Equivalent Unit
ZIP — Zone Investment Panel
MRT — Minimum Rail Temperature
NTR — Mississippi Central Railroad Company
ROTP — Rules of the Plan
LXVR — Luxapalia Valley
ORRX — Oregon Department Of Transportation
IANR — Iowa Northern Ry
ERTMS — European Railways Traffic Management System
MTNR — Mississippi Tennessee Railroad LLC
NY&GL — New York and Greenwood Lake railway
GEXR — Goderich & Exeter
GRIN — Great Plains Railway
MTDX — Midwest Transportation & Development Cor
SMART — Specific, Measurable, Achievable, Realistic, Timebased

PWSS — Permanent Way Section Supervisor
SME — Signalling Maintenance Engineer
ARS — Automatic Route Setting
AUG — Augusta Railroad
WARM — West Anglia Route Modernisation
IANW — Iowa Northwestern Railroad
TAC — Telecomms Appreciation Course
FDEC — Ferrocariles de Cuba
LDRR — Louisiana and Delta Railroad Incorporated
HOPP — Head Of Property Projects
TMERL — The Milwaukee Electric Railway
LNAC — Chattahoochee Bay Railroad, LLC
FLAWS — a computer database of rail flaws
DCLR — Delaware Coast Line RR Co
GLC — Great Lakes Central Railroad
BSDA — Bi-State Development Agency
TCOD — Track Circuit Operating Device
TCRY — Tri-City Railroad Company
SSG — Standards Steering Group
ICE — Institute of Civil Engineers
ORR — Office of the Rail Regulator
WAR — Warrenton Railroad Company
MKC — McKeesport Connecting Railroad Company
TSDB — Train Service Data Base
RII — Relay Interlocking Interface
CADRS — CAD Railways Services
CA — Commercial Assistant
DAPF — Document Amendment Proposal Form
QNSL — Quebec, North Shore and Labrador
OSRR — Ohio Southern Railroad Incorporated
AUAR — Austin Area Terminal Railway
CTML — Cairo Terminal Railroad Company
VXC — Virgin CrossCountry
RMRR — Rocky Mountain Railcar and Railroad Incorporated
NPC — NORTH PACIFIC COAST
ICC — International Convention Centre
LNE — Lehigh and New England Ry
WWR — Washington Western
REG — Railtrack Executive Group
SLSF — Saint Louis-San Francisco
SSW — St. Louis Southwestern
NRG — National Records Group
CPPP — Confirmed Period Possession Plan
CIL — Chicago Indianapolis and Louisville
GNBC — Grainbelt Corporation
WAEX — Cherokee Rail Equipment LLC
BAYL — Bay Line, LLC
NCRY — Northern Central Railway
ACME — Acme Steel
MHWA — Mohawk, Adirondack and Northern Railroad

UAA — University of Akron Archives
WCTR — WCTU Company White City Terminal Railway
FEVR — Fremont & Elkhorn Valley Railroad
DUT — Denver Union Terminal Railway Company
MNL — Mountain Laurel Railroad
LINC — Lewis and Clark Railway Company
PPU — Tazewell & Peoria Railroad
SV — Shenandoah Valley Railroad
DGPS — Differential Global Positioning by Satellite
YB — Youngstown Belt Railroad Company
FTA — Fault Tree AnalysisUoS
DLWR — Depew Lancaster and Western Railroad Com
PNA — Pacific National - Australia
UWC — User Worked Crossing
CNW — Chicago and Northwestern
WSF — Wrong Side Failure
GRR — Georgetown Railroad Company
LL/H — Long Leasehold
PLRA — Private Locomotive Registration Agreement
HLGX — Helm Financial Corporation
CTR2 — Channel Tunnel Route 2
TDMS — Title Deeds Management System
PTRA — Port of Houston Terminal RR Association
SMRS — Springfield (MO) Railway Services
TO — Team Organiser
HVRR — Hocking Valley
RNA — Railway Notification of Accidents Regulations
EPS — European Passenger Services
ACM — Area Contracts Manager
DAL — Down Avoiding Lane
DL — Delaware-Lackawanna Railroad Company
TSSA — Transport Salaried Staffs' Association
MWRX — Midwest Rail Holdings Incorporated
UWG — public road crossing with User Worked Gates
ERES — Erie Western
PPTD — Powered Plant Training Disc Cutter And Class 9 Cutting Of Wheels
WGCR — Wiregrass Central Railroad. Incorporated
NTN — National Teleprinter Network
HLCX — Helm Financial
RDMX — Ryder
TRE — Track Recording Engineer
SJVR — San Joaquin Valley RR
LRPC — London Regional Passengers Committee
OETR — Outline Engineering Train Requirements
RTMZ — RailTrack Midlands ZoneRailCons
CTRU — Central Track Renewals Unit
BMH — Beaufort and Morehead Railroad Co
NSRC — North Stratford RR
NTRY — Nimishillen and Tuscarawas Railway Company
PIE — Performance Improvement Executive

CFE — Chicago, Fort Wayne and Eastern
TNER — Texas Northeastern Division Mid-Michigan
CHW — Chesapeake Western Railway
RRIP — Route Relay Interlocking Processor
SAS — South African Railways
GPR — General Purpose Relief
ECC — English China Clays
SSSH — Surrey Sussex & Southhampton
WGR — Willamette Valley Railway Company
NPT — Portland Terminal R.R. Company
CBR — Coos Bay Rail Link
NHVT — New Hampshire and Vermont Railroad Company
RJCR — RJ Corman
ROM — Regional Operating Manager
BRB — British Railways Board
HSW — Helena Southwestern Railroad
WPSC — Wheeling Pittsburg Steel
LE — Light Engine
EFPL — Economical Facing Point Lock
POM — Possession Optimisation Manager
SA — Sponsor's Agent
MWL — Level crossing with Miniature red/green Warning Lights
FWL — Fort Wayne - Lima
NYPANO — New York, Pennsylvania and Ohio railroad
WBE — Wilkes-Barre and Eastern railroad
H/S — Hand Signaller
SLIM — St Louis, Iron Mountain & Southern
JVRR — Juniata Valley Railroad Company
SCI — Standard Contract Interpretation
JS1 — basic signalling cable jointing and testing
ETCX — Eastman Tennessee Corporation
NYABC — New York Air Brake Company
GETY — Gettysburg Railroad
RFP — Richmond Fredericksburg and Potomac
GF — Ground Frame
WTCX — Weyerhauser
CA — Cables and Accessories
SOM — Somerset Railroad Corporation
NSW — Northwest Steel and Wire
NSC — National Supply Contract
CSR — Camden & Southern Railroad Inc
NASG — National Applications Support Group
NAR — Northern Alberta Railways
ONER — Ontario Northeastern RR
NOP — New Orleans Public Service
BSPG — Business Systems Policy Groupy
WPSX — Wisconsin Public Service Corporation
CKSI — Carthage Knightstown and Shirley Railroad
TSRD — Twin State Railroad Company
RMRX — Great Canadian Railtours Co Ltd

AO — Appalachian and Ohio
PAM — Pittsburgh Allegheny and McKees Rocks Railroad Company
YN — Youngstown and Northern
MSRW — Mississippian Railway Cooperative Incorporated
WA — West Anglia Lines
SDS — Signalman's Display System
PTT — Public Timetable
LASB — Lackawaxen and Stourbridge Railroad
HRT — Hartwell RR
TT — Timetable, Public
NCTR — North Central Texas Railroad
CNJ — Central Rail Road of New Jersey
RBLX — Brent C Lewis
ESR — Emergency Speed Restriction
SJT — St Joseph Terminal
RA — Reporting Accountant
IAMS — Integrated Asset Management System
EVR — Early Voluntary Retirement
MMAX — Martin-Marietta Aggregates
RTLS — Road Traffic Lights
EFVM — Estrada de Ferro Vitoria-Minas
FP — Fordyce & Princeton Railroad Company
TESCO — TEchnical Service COmpany
RLHS — Railway Locomotive and Historical Society
RRC — Respondek Railroad Corporation
URL — Up Relief Line
IZ — Inter Zonal
BDRV — Belvidere & Delaware Railroad
PRIDE — Possession Resource Information DatabasE
RCH — Railway Convalescent Home
TC — Track Circuit
SIPS — Standard Infrastructure Performance System
PTM — Portland Terminal Company
PIMS — Programme Integrated Management System
ENS — European Night Services
CWI — Chicago and Western Indiana Railroad
WVR — Willamette Valley Railway
NZR — New Zealand Railways
CAPP — Confirmed Annual Possession Plan
TRIN — Trinidad Railway Incorporated
CD — Close Doors platform indicator
MTL — Mersey Travel Ltd.
CMC — CMC Railroad Incorporated
CHIP — Chemicals Hazard Information and Packaging regulations
RDG — Reading Railroad
BDTL — Ballard Terminal Railroad Company
WAER — Wabash Erie
ZD — Zone Director
SA — Signalling Assistant
AVB — Automatic Vacuum Brake

SBB — Swiss Railways
NRM — Nominated Responsible Manager
SMNR — Southern Manitoba Railway
SC — Signalling Centre
FTR — Florida Tri-Rail
CWCY — Caldwell Country Railroad
WTRY — Wilmington Terminal Railroad Incorporated
NYOW — New York, Ontario & Western
SPC — Senior Production Controller
TWO — Transport & Works Order
IFS — Independent Function Switch
MWRR — Montana Western Railway Company Incorporated
FSR — Fort Smith Railroad Company
RSC — Railway Skills Council
LE — Light Electric loco
VATT — Virgin Active Tilt Trains
LAFX — LaFarge Corporation
LX — level crossing
HPTD — High Point Thomasville and Denton Railroad
SINAC — Special Inspection Notice Action Complete
KFR — Kettle Falls International Rwy
SFS — Santa Fe Southern Railway
WW — Wales and West Passenger Trains
NIAJ — Niagara Junction Railway
DG — Dangerous Goods
CWWR — Chehalis Western Railroad
SIXX — 636 Leasing
NMCSA — Network Management Centres Sponsor's Agent
T&H — Tottenham & Hampstead
EA — East Anglian
YSLR — Yolo Shortline Railroad Company
TMO — Train crew Manually Operated
ONE — London Eastern Railway Ltd.
RRRR — Rock and Rail Incorporated
BIFS — Billing Infrastructure Freight System
CEGB — Central Electrictricity Generating Board
SPSX — Progress Rail Services Corp
RT — Railtrack
AHB — Automatic Half Barriers
SSP — Signalling Supply Point
GTD — Group Tax Department
TRN — Train Reporting Number
BC — BARRE & CHELSEA RAILROAD
HOG — Heart of Georgia Railroad
TTR — Talleyrand Terminal Railroad Company
CRC — Class Representative Committee
ASDA — Asbestos & Danville
BCRY — Cando Contracting Limited
PRB — Personalised Rule Book
NCYR — Nash County Railroad Corporation

DIRFT — Daventry International RailFreight Terminal
MRCE — MRCE Dispolok GmbH
NOL — Notice of Liability
LPS — Local Policy Statement
SRP — Station Regeneration Programme
RZD — Russian Railways
OPO — One Person Operation
ASR — Allegheny Southern Railroad Incorporated
GOT — GO Transit
TT — Time Table
TOC — Toledo & Ohio Central
SIRR — Southern Industrial Railroad
MRI — Motive Rail Industries
NREX — National Railway Equipment
RICA — Regional Independent Commercial Auditor
CI — Cambria and Indiana Railroad Company
NYS&W — New York, Susquehanna and Western railroad
GLCD — Great Lakes Coal & Docks
PGRV — Pigeon River Railroad Company
GS — Gloster Southern
RV — Rahway Valley R.R.
CHV — Chattahoochee Valley Ry
REX — Railway Express Agency, Inc.
STP — Short Term Planning
EMS — Environmental Management Statement
RE&TA — Real Estate and Tax Agent
ETB — Electronic Token Block
AMR — Arcata And Mad River
BPM — Business Process Manual
CWPR — Company Weekly Performance Report
NMC — Network Management Centre
CAPS — Colchester Area Power Supplies
UWSF — Unprotected Wrong Side Failure
IU — Indianapolis Union
CDL — Central Door Locking
KWUX — Siemens Power Corporation
PAF — Project Authority Form
PWV — Pittsburgh & West Virginia
CLCR — Cadillac & Lake City RR
SDR — Simplified Direct Reporting
LM — Litchfield and Madison
ROS — Restriction of Speed
ASAB — Bay Line Railroad L.L.C
BRS — Business Route Section
IRN — Ironton RR
MISS — Mississippian Railway Cooperative Incorporated
PSPP — Particular Specification for Possession Planning
ICRK — Indian Creek Railroad Company
TRRA — Terminal RR of St Louis
CIM — rules for international carriage of goods

STE — Stockton Terminal and Eastern RR
PCM — Project Control Manual
TD — Train Describer
QCM — Quebec Cartier Railroad
NOGC — New Orleans & Gulf Coast
TL2000 — ThamesLink 2000
WWRC — Wilmington and Western Railroad
LA — Lousiana and Arkansas
NJTR — NJ Transit Rail Operations
NYGL — New York and Greenwood Lake Railroad
TXU — TXU Electric
CWR — Continuously Welded Rail
CATE — Computer Assisted Train Enquiries
INLX — Incoal Company
UCRY — Utah Central
MLF — Main Line Freight
DTS — Detroit & Toledo ShoreLine
IMPACT — Improved Manufacturing Performance Through Active Change and Training
SCM — Senior Contracts Manager
LIZ — Liz Cement Company
LS — Line Standard
BHX — Bank Holiday eXcepted
ASPER — ASset PERformance database
CBC — Carbon County Railway
PSR — Pittsburg and Shawmut Railroad Incorporated
SZ — Slovenske železnic
FUS — Ferrocarriles Nacionales de Mexico
CWRY — Commonwealth Railway Inc.
RCGG — Ray-Carroll
CYDX — Conrad Yelvington Distributors, Inc.
GR — Grand Rapids Eastern Railroad Incorporated
DLM — Data Link Module
MVT — Mt Vernon Terminal
OLEAR — Overhead Line Equipment Asset Register
BCH — Southern Railway of British Columbia Limited
CRLX — Conrail Leasing Co
IRRS — International Rail Road Systems Incorporated
SSISIM — Solid State Interlocking SIMulator
IATR — Iowa Traction Railroad Company
EBL — East Branch & Lincoln RR
WARP — West Coast Advanced Recovery Reliability Programme
FIR — Flats Industrial Railroad Company
SHRT — Shaker Heights Rapid Transit
TENN — Tennessee Railway Company
NCSL — Nashville Chattanooga & St Louis
RM — Route Modernisation
NG — Normal Grade
ORHC — Orrville Railway Historical Society
CE — Chicago and Erie railroad
OPRAF — Office of Passenger Rail Franchising

SDIY — San Diego and Imperial Valley Railroad Company
CLNA — Carolina Coastal Railway Incorporated
RCE — Regional Civil Engineer
CHGX — Chicago Gravel
GMRC — Green Mountain RR
GRW — Gary Railway
ARN — Alberta RailNet Incorporated
SEKR — Southeast Kansas Railroad Company
PNRW — Piedmont Northern Railroad
OHIC — Ohi-Rail Corporation
ILM — Railtrack Infrastructure Liability Manager
HL — Home Location
NYPSC — New York State Public Services Commission
NLL — North London Line
DR — Dardanelle and Russellville Railroad Inc
DSD — Driver's Safety Device
EA — Electronics Appreciation
USL — Up Slow Line
RAI — Right Away Indicator
WSL — Westinghouse Signals Ltd
JJRD — J and J Railroad Incorporated
DOP — Driver Only Passenger
STEX — Sterling Chemicals, Inc.
DM — Deutsche Mark RailCons
DRGW — Denver and Rio Grande Western
BRBS — British Railways Business Systems
DART — Digital Advanced Radio for Trains
OLC — Occupation Level Crossing
ELKR — Elk River Railroad Incorporated
FCYR — Franklin County Railroad
MML — Minimum Monetary Limit
PT — Peninsula Terminal Company
CCCL — Connecticut Central Railroad Company
SCBX — Standridge Color
DGNO — Dallas Garland & Northeastern
LCR — London and Continental Railways
COPA — Control of Pollution Act 1974
SNCF — French National Railways
BER — Big Eagle Rail
BNG — Blackwell Northern Gateway Railroad Comp
IMCO — Infrastructure Maintenance COmpany
PCS&TE — Profit Centre Signal and Telecommunications Engineer
TPT — Train Positioning and Tracking
ALY — Allegheny and Eastern Railroad Incorpora
LD — Light Diesel locomotive
BMS — Basic Mechanical Signalling
WN — Wharton and Northern railroad
ETRM — Engineering Train Routing Map
WARC — West Anglia Route Controller
CISD — Golden Isles Terminal Railroad

VMVX — VMV Enterprises, Inc
EEB — Eastern Electricity BoardRailCons
STEP — Safety, Teamwork, Excellence, Professionalism
RIP — Railtrack Investment Panel
SPA — Special Protected Area
NW — Norfolk and Western
HM — Her Majesty
FS — Feeder Station
MS — Method Statement
HV — High Visibility
SCR — Sydney Coal Railway
PLE — Pittsburgh & Lake Erie
HRS — Holidaysburg and Roaring Spring Railroad Company
CKIN — Chesapeke & Indiana
ICM — Infrastructure Contracts Manager
MAC — Mid America Car & Locomotive
FFTX — Florida Fun Train
NBA — National radio network
BTC — Birmingham Terminal
RA — Radio Agency
WTCO — Western Transportation Company
WON — Weekly Operating Notice
TESCO — Technical Support Company
GOL — Government Office for London
OE — Outside Edge
VRAC — Vehicle and Route Acceptance Contract
EEN — Examining Engineer's Nominee
CNYK — Central New York Locomotive Company
WFS — West Isle Line Incorporated
CCYR — Colleton County Railroad
MJRX — Railway Service Contractors Inc
SEE — Systems Engineering Environment
CYCY — Crystal City Railroad Incorporated
RS — Roberval and Saguenay Railway Company
BIRR — Bellingham International Railroad LLC
CWEX — Midwest Generation, LLC
AIM — Asset Information Manager
CTRN — Union Pacific Railroad Company
HMWX — Heckett MultiServ
TRT — Tshiuetin Rail Transportation
GSCX — General American Marks Company
SHRT — South Hampshire Rapid Transit
S&TE — Signal and Telecommunications Engineer
RRRR — Raritan River railroad
MKIX — Morrison-Knudsen
DRS — Direct Rail Services
ROR — Rules of the Route
OLYR — Olympic Railroad Company
SDBB — Somerset Terminal Railroad Co.
STABS — Signalling and Telecommunications Area Budget System

EFRR — Effingham Railroad
PCA — Penn Central
MTR — Montour RR