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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
AFFF — Aqueous Film Forming Foam
ROM — Read-Only Memory
HAZID — Hazard Identification
YTD — Year To Date
ERDF — European Regional Development Fund
CWT — Carlson Wagonlit Travel
Y-P — Young Person
WATX — Watco
ASAP — As Soon As Possible (pronounced AY-sap)
RAILTEL — RAILway TELephone project
ANSI — American National Standards Institute, Inc.
B. OF D. — Board of Directors
VDU — Visual Display Unit
IT — Information Technology
ZEPE — Zone Electrical and Plant Engineer
T&RS — Traction & Rolling Stock
E&OD — Engineering and Operations Development
C&WI — Chicago and Western Indiana railroad
W&LE — Wheeling & Lake Erie Railway
S.L/H — Short LeaseHold
R&PA — Route and Programme Analyst
L&PS — London and Port Stanley Railway
S&SM — Safety and Standards Manager
P.WAY — Permanent Way
ZCRG — Zonal Commercial Review Group
RF — Radio Frequency
HAYSI — Haysi Railroad
P&LE — Pittsburgh and Lake Erie Railroad
L&HR — Lehigh and Hudson River railway
N&VMP — Noise and Vibration Management Plan
M&EE — Mechanical & Electrical Engineering
OBRY — Orangeville-Brampton Railway
UCMX — United Clays, Inc
R(SCW) — Railway (Safety Critical Work) Regulations 1994
D&DA — Design and Development Authority
WWW — World Wide Web
RFQ — Request For Quotation
D&DR — Design & Development Report
D&IA — Design and Implementation Authority
L&PSR — London and Port Stanley Railway
O&SPA — Operational and Support hazard Analysis
L&NE — Lehigh and New England railroad
PALADIN — Performance And Loading Analysis Database INformation
LCD — Liquid Crystal Display
VAMD — Virginia and Maryland
EDI — Electronic Data Interchange
PPE — Personal Protective Equipment
E,L&N — Early, Late and Night

AC — Alternating Current
GSM — Global System for Mobile Communications
N&B — Northhampton and Bath railway
KPI — Key Performance Indicator
PWAY — Permanent Way
GDP — Gross Domestic Product
W — Watt
HATX — Helm Financial Corporation
IRR — Internal Rate of Return
VAT — Value Added Tax
ATP — Automatic Train Protection
CN — Canadian National Railway
PROJEX — Project Expenditure
RPI — Retail Price Index
CV — Curriculum Vitae
WACC — Weighted Average Cost Of Capital (accounting)
TBA — To Be Advised
GIS — Geographic Information System
FMECA — Failure mode effect and criticality analysis
COSHH — Control Of Substances Hazardous To Health (UK)
UP — Union Pacific Railroad Company
WBS — Work Breakdown Structure
CAPEX — Capital Expenditure
FM — frequency modulation
SPOC — Single Point Of Contact
PDH — Plesiochronous Digital Hierarchy
AP — Accounts Payable
FAT — Factory Acceptance Test
MTBF — Mean Time Before Failure
GBV — Gross Book Value
PCB — printed circuit board
SLA — Service Level Agreement
WAN — Wide Area Network
SPV — Special Purpose Vehicle (sometimes Single Purpose Vehicle)
GL — General Ledger
VO — Variation Order
PCB — Polychlorinated Biphenyls
GPRS — General Packet Radio Service
GUI — Graphical User Interface (goo-ey)
RAM — random-access memory
AM — Amplitude Modulation
EU — European Union (1994; formerly referred to as the EEC or EC)
FX — Foreign Exchange
NPV — Net Present Value {economics}
CAR — Corrective Action Request
SD — Standard Deviation
IDF — Intermediate Distribution Frame
CBI — Confederation of British Industry
BAA — British Airports Authority
PO — Purchase Order

ABS — Alabama Southern Railroad
MIS — Management Information System (OSHA)
RAB — Regulatory Asset Base
PVC — Polyvinyl Chloride
P&L — Profit and Loss statement
FAQ — Frequently Asked Questions (sometimes Pronounced Fak)
CAD — Computer Aided Designer
DC — Direct Current
AE — Account Executive
MTTR — Mean Time To Repair
SAT — Site Acceptance Test
O&M — Operation and Maintenance
NEC — National Electrical Code
CR — Change Request
MSE — Mississippi Export Railroad Company
MMA — Montreal, Maine & Atlantic Railway
AF — Audio Frequency
ISDN — Integrated Services Digital Network
PICOW — Person in Charge of Works
LA — Local Authority
PSBR — Public Sector Borrowing Requirement
ALARP — As Low as Reasonably Practicable
BST — British Summer Time
AGR — Alabama and Gulf Coast Railway
NI — National Insurance
PIC — Person In Charge
OSI — Open Systems Interconnection (iso Standard)
JD — Job Description
COA — Chart Of Accounts
AL — Almanor Railroad Company
HV — High Voltage
IEE — Institution of Electrical Engineers
BRC — Belt Railway of Chicago
PC — Personal computer (host)
SMS — Safety Management Systems
SQL — Structured Query Language
ITU — International Telecommunication Union
NRLC — National Railway Labor Conference
BSOR — Buffalo Southern Railroad
EVA — Ethylene Vinyl Acetate
HW — Hardware
CIMA — Chartered Institute of Management Accountants
NSR — Newburgh and South Shore Railroad Compan
CHB — Cleveland Harbor Belt
HZ — cycles per second (hertz)
AA — Ann Arbor Railroad
LED — law enforcement desk; light emitting diode
CAPM — Capital Asset Pricing Model
DOS — Disk Operating System
KLSC — Kalamazoo, Lake Shore and Chicago Railway

BDW — Bighorn Divide and Wyoming Railroad
CB — Circuit Breaker
AQL — Acceptable Quality Level
IGBT — Insulated Gate Bipolar Transistor
AWRR — Austin Western Railroad
WYSIWYG — What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms)
DCF — discounted cash flow rate
BDM — Business Development Manager
PWME — Permanent Way Maintenance Engineer
PDP — Personal Development Plan
HR — HUMAN RESOURCES
PHA — Preliminary Hazard Analysis
GRN — Goods Received Note
LSI — Lake Superior and Ishpeming Railroad
ELCB — Earth Leakage Circuit Breaker
PGR — Progressive Rail
TCP/IP — transmission control protocol/internet protocol
SPAX — Southeastern Pennsylvania Transportation Authority (SEPTA)
IEC — International Electrotechnical Commission
NEMA — National Electric Manufacturer's Association
PMBX — Private Manual Branch Exchange
LPC — Louisiana Paving Corp
EMP — Environmental Management Plan
KYLE — Kyle Railroad
COTS — Commercial Off the Shelf Software
AKMD — Arkansas Midland Railroad Company
ELOX — Elcon Inc.
DTI — Department of Trade and Industry (UK)
OGEE — Ogeechee Railway
OCB — Oil Circuit Breaker
SAE — Society of Automotive Engineers
CCTV — Closed Circuit Television
RC — Reinforced Concrete
PABX — private automatic branch exchange (telephone)
RTU — Remote Terminal Unit
LV — Low Voltage
AVI — Automatic Vehicle Identification
MDF — Main Distribution Frame
PAX — Private Automatic Exchange
DML — Data Manipulation Language
HSC — Health and Safety Commission
SIL — Safety Integrity Level
NIC — National Insurance Contributions
EMC — Electromagnetic Compatibility
RISC — Reduced Instruction Set Computer
PM — Project Manager
ROCE — Return On Capital Employed
GMT — Greenwich Mean Time (Zulu)
RHS — Rectangular Hollow Section
AKDN — Acadiana Railway Company

EPS — Earnings per share
IR — Illinois Railnet
OTR — Oakland Terminal Railway
VM — Value Management
SCADA — Supervisory Control And Data Aquisition
CF — Cape Fear Railways Incorporated
RSA — Railway Study Association
CBL — Conemaugh and Black Lick Railroad
UFN — Until Further Notice
ARZC — Arizona and California Railroad
OMID — Ontario Midland Railroad Corporation
GPF — General Protection Fault
LEU — Lineside Electronic Unit
ADBF — Adrian and Blissfield Rail Road
AR — Aberdeen and Rockfish Railroad
BCLR — Bay Colony Railroad
AGCR — Alamo Gulf Coast Railroad Company
FE — Finite Element
AR — Accounts Receivable
HL — High Level
OS — Ordnance Survey
SQVR — Sequatchie Valley Railroad
XLPE — Crosslinked Polyethylene
ONT — Ontario Northland Railway
SSC — Southern Switching Company
PRV — Pearl River Valley Railroad Company
TOFC — trailer-on-flatcar
CAXX — CEMENTO CRUZ AZUL
OAR — Old Augusta Railroad
ACOP — Approved Code Of Practice (UK)
CFWR — Caney Fork and Western Railroad
TRC — Trona Railway Company
NOPB — New Orleans Public Belt Railroad
DPC — Damp Proof Course
RSR — Rochester and Southern Railroad
MBO — Management Buy-Out
ANR — Angelina and Neches River Railroad
CHR — Chestnut Ridge Railway Company
CGT — Capital Gains Tax
BJRY — Burlington Junction Railway
UPS — Uninterruptible Power Supply
KKRR — Knox and Kane Railroad Company
DDA — Disability Discrimination Act
NCR — Nonconformance Report
CRL — Chicago Rail Link
ATW — Atlantic and Western Railway
SVRR — Shamokin Valley Railroad Company
PBVR — Port Bienville Railroad
ARR — Alaska Railroad
PMCS — Project Management Control System

NOKL — Northwestern Oklahoma Railroad
NCIR — New Castle Industrial Railroad
SLAL — South Plains Lamesa Railroad
IMDG — International Maritime Dangerous Goods
BRG — Brownsville and Rio Grande International Railroad
BVRY — Brandywine Valley Railroad Company
PDT — Portable Data Terminal
IBH — Intermediate Block Home Signal
CCKY — Chattooga and Chickamauga Railway Company
MOD — Ministry Of Defence (United Kingdom) And Various Other Countries
RRVW — Red River Valley and Western Railroad
MSV — Mississippi and Skuna Valley Railroad Company
APNC — Appanoose County Community Railroad
CAGY — Columbus and Greenville Railway Company
PW — Providence and Worcester Railroad
PAYE — Pay-As-You-Earn
APA — Apache Railway Company
EC — European Community
PORTIS — Portable Ticket Issuing System
CMPA — Madison railroad
MNN — Minnesota Northern Railroad Incorporated
TCWR — Twin Cities and Western Railroad
SCRF — South Carolina Central Railroad
NDT — Nondestructive Test
FOC — Freight Operating Company
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
BRW — Black River and Western railroad
OCTL — Oil Creek and Titusville Lines, Inc.
PBR — Patapsco and Back Rivers Railroad
PBT — Profit Before Tax
CLC — Columbia and Cowlitz Railway Company
ASRY — Ashland Railway
CALA — Carolina Southern Railroad
BB — Buckingham Branch Railroad
SLWC — Stillwater Central Railroad
STR — Shawnee Terminal Railway Company
DMM — Dansville and Mount Morris Railroad Company
SW — Southwestern Railroad Company
EIA — Environmental impact assessment (international)
RARW — Rarus Railway Company
LCR — Lake County Railroad
OTVR — Otter Tail Valley Railroad Company
SAPT — Savannah Port Terminal Railroad Incorporated
SDH — Synchronous Digital Hierarchy (ATM)
LW — Louisville and Wadley Railway Company
DSE — Display Screen Equipment
WRRC — Western Rail Road Company
RMT — National Union of Rail, Maritime and Transport Workers
CSM — Customer Service Manager
RT — Radiographic Testing

MH — Mount Hood Railroad
PCN — Point Comfort and Northern Railway
TDM — Time Division Multiplexer
LSRC — Lake State Railway Company
NAO — National Audit Office
NEBOSH — National Examination Board in Occupational Safety and Health
CIRR — Chattahoochee Industrial Railroad
EMCAR — Empty Carriages
FDM — Frequency Division Multiplex
NS — Norfolk Southern Railway
RC — Remote Control
NERR — Nashville and Eastern Railroad
KJRY — Keokuk Junction Railway
URR — Union Railroad
CC — Chicago Central and Pacific Railroad Company
WCOR — Wellsboro and Corning Railroad Company
BPRR — Buffalo and Pittsburgh Railroad Inc.
ALAB — Alabama Railroad
PFI — Private Finance Initiative
CIMAH — Control of Industrial Major Accident Hazard
WB — Westbound
CFNR — California Northern Railroad
UT — Ultrasonic Testing
KJR — Kiski Junction Railroad
TDMA — Time Division Multiple Access
KCS — Kansas City Southern Railway
BOP — Border Pacific Railroad Company
UMP — Upper Merion and Plymouth Railroad
WI — Work Instruction
NMGR — New Mexico Gateway Railroad
OOO — Out Of Order
DCRR — Dubois County Railroad
CCRR — Claremont Concord Railroad
CNZR — Central New England Railroad
MPV — Multi-Purpose Vehicle
SLC — San Luis Central Railroad Company
CBRY — Copper Basin Railway
SW — Software (SFTWE Preferred)
MET — Modesto and Empire Traction Company
EPROM — Electrically Programmable Read Only Memory
PRY — Pioneer Industrial railway
HSE — Health & Safety Executive Officer
CLP — Clarendon and Pittsford Railroad
PVS — Pecos Valley Southern Railway Company
CBRW — Columbia Basin Railroad
SCTR — South Central Tennessee Railroad
CTRR — Cloquet Terminal Railroad
SRC — Strasburg Railroad
NVRR — NAPA Valley Railroad Company
CMSL — Cape May Seashore Lines

MRL — Montana Rail Link
CW — Colorado and Wyoming railway
FTVM — FerroValle
MPLI — Minnesota Prairie Line Incorporated
CCRA — Camp Chase Industrial Railroad
FRA — Federal Railroad Administration
BLR — Blacklands railroad
SM — St. Mary's Railroad
POTB — Port of Tillamook Bay Railroad
NCVA — North Carolina and Virginia Railroad
SLRG — San Luis and Rio Grande railroad
AZCR — Arizona Central Railroad
KRR — Kiamichi Railroad
WNFR — Kanawha Rail Corporation
ARC — Alexander Railroad
MCER — Massachusetts Central Railroad
ISRR — Indiana Southern Railroad
SMV — Santa Maria Valley Railroad Company
RIO — Rail Incident Officer
PA — Personal Assistant
NSHR — North Shore Railroad
YARR — Youngstown and Austintown Railroad
SAN — Sandersville Railroad
CTN — Canton Railroad Company
BBOH — Bloomingburg Ohio
KT — Kentucky and Tennessee Railway Company
CTR — Clinton Terminal Railroad Company
WATC — Washington Terminal Company
RBC — Radio Block Centre
EIB — European Investment Bank
RCD — Residual Current Device
LT — Lake Terminal Railroad Company
SBVR — South Branch Valley Rail Road
NYOG — New York and Ogdensburg Railway Company Incorporated
EPI — Environmental Performance Indicator
MDDE — Maryland and Delaware Railroad
CATS — Charlotte Area Transit System
TSE — Texas South-Eastern Railroad Company
KBSR — Kankakee Beaverville and Southern Railroad Company
SCFE — South Central Florida Express Incorporated
CPDR — Carolina Piedmont Railroad
FRS — Functional Requirements Specifications
HAZCHEM — Hazardous Chemical
CSCD — Cascade and Columbia River Railroad Company
SLR — St. Lawrence and Atlantic Railroad Company
TVRR — Tulare Valley Railroad Company
CITB — Construction Industry Training Board
WTNN — West Tennessee Railroad
NAUG — Naugatuck Railroad Company
TB — Trial Balance

NYGL — New York and Greenwood Lake Railway
UB — Universal Beam
MNNR — Minnesota Commercial Railway
NCRC — Nebraska Central Railroad
DME — Dakota, Minnesota and Eastern Railroad Company
POVA — Pend Oreille Valley Railroad
CBGR — Council Bluffs Railway
MJ — Manufacturers Junction Railway Company
RSS — Rockdale, Sandow & Southern Railroad
COP — City of Prineville Railway
RTA — Regional Transportation Authority
GBP — Great British Pound
FC — Financial Controller
PNW — Prescott and Northwestern Railroad
NVQ — National Vocational Qualification
TBRY — Thermal Belt Railway
LD — Liquidated Damages
SMA — San Manuel Arizona Railroad Company
VTR — Vermont Railway
ISRS — International Safety Rating System
QRR — Quincy Railroad Company
CT — Columbia Terminal
WPRR — Willamette and Pacific Railroad
RVSC — Rio Valley Switching Company
YW — Yreka Western Railroad Company
RVPR — Riverport railroad
PNWR — Portland and Western Railroad Incorporated
STMA — St. Maries River Railroad Company
FAST — Federation Against Software Theft
MDS — Meridian Southern Railway
YVRR — Yadkin Valley Railroad
CPO — Compulsory Purchase Order
COEH — Conecuh Valley Railroad
TR — Tomahawk Railway
HVAC — Heating, Ventilating, And Air Conditioning
PACT — PAved Concrete Track
NRI — Nebkota Railway Incorporated
TSU — Tulsa-Sapulpa Union Railway
LRT — Light-Rail Transit
NKCR — Nebraska, Kansas & Colorado RailNet
SBRR — Stourbridge Railroad Company
LVRR — Lycoming Valley Railroad
SMBX — Southern MN Sugar Beet Coop
OUCH — Ouachita Railroad
WSR — Warren and Saline River Railroad
HST — High Speed Train
PTW — Permit to Work (UK)
ITT — Invitation To Tender
FURNO — Until FURther NOtice
M&E — Mechanical & Electrical

CP — Canadian Pacific Railway
TSRR — Tennessee Southern Railroad
MRS — Manufacturers Railway
DC — Delray Connecting Railroad Company
PICK — Pickens railway
RPRC — Richmond Pacific Railroad Corporation
WBCR — Wabash Central railroad
NBER — Nittany and Bald Eagle Railroad Company
VR — Valdosta Railway
SOCO — Scene Of Crime Officer
NENE — Nebraska Northeastern Railway
NYCH — New York Cross Harbor Railroad Terminal Corporation
MMID — Maryland Midland Railway
AFC — Approved For Construction
MCR — McCloud Railway Company
SGLR — Seminole Gulf Railway
WSRY — Winamac Southern railway
YRC — York Railway
SMIS — Safety Management Information System
BTP — British Transport Police
CPD — Continuous Professional Development
MSCI — Mississippi Central Railroad Company
UTAH — Utah Railway
PTR — Port Terminal Railroad of South Carolina
LCP — Local Control Panel
SS — Sand Springs Railway Company
OHCR — Ohio Central Railroad
SHARON — Sharon Steel
OD — Outside Diameter
MSTR — Massena Terminal Railroad Company
BN — Burlington Northern Railroad
OLEMI — Overhead Line Equipment Master Index
USN — United States Navy
ECU — European Currency Unit
ETA — Expected Time of Arrival
VRRC — Vandalia Railroad
TNHR — Three Notch railroad
ITE — Institute of Transportation Engineers
PSN — Packet Switched Network
PRR — Pennsylvania Railroad
RIDDOR'95 — Reporting of Injuries, Disease and Dangerous Occurrences Regulations 1995
AVP — Assistant Vice President
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
PLC — Public limited company
IC — Illinois Central Railroad
EXPOTEL — hotel accommodation and conference booking agency
DETR — Department of the Environment, Transport and the Regions
VRE — Virginia Railway Express
MTBHE — Mean Time Between Hazardous Events
NYC — New York Central Railroad

MM — Money Market
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
FRS — Financial Reporting Standard
BP — British Petroleum
NFF — No Fault Found
LOP — Loss of Power
PNB — Personal Needs Break
CPS — Crown Prosecution Service (UK criminal justice system)
APM — Assistant Project Manager
FOC — Fibre Optic Cable
P&M — Plant & Machinery
JC — Junction
SCHLID — SCHedule IDentity
AMP — Asset Management Plan
TMP — Traffic Management Plan
ABL — Alameda Belt Line
BP — Business Plan
GTO — Gate Turn-Off thyristor
DSS — Department of Social Security
MDF — Medium Density Fibreboard
ETH — Eidgenössische Technische Hochschule
RR — Railroad
DD&I — Design Development and Implementation
BRASS — British Railways Additional Superannuation Scheme
MEBO — Management and Employee Buy Out
LVDT — Linear Variable Differential Transformer
OTDR — Optical Time Domain Reflectometer
FOC — Free Of Charge. Widely used acronym promising a good deal, however see TANSTAAFL.
TMS — Traffic Management System
BS — British Standard
AT — Auto Transformer
PSTN — Public Switched Telecommunications Network
FTA — Freight Transport Association
PMT — Project Management Team
ATO — Automatic Train Operation
PTE — Passenger Transport Executive
HA — Highways Agency
RTA — Road Traffic Accident (British)
PDFH — Passenger Demand Forecasting Handbook
PROM — Programmable Read Only Memory (chip)
WSOR — WISCONSIN & SOUTHERN
NR — Network Rail
ILWS — Inductive Loop Warning System
FTA — Federal Transit Administration
GN — Great Northern Railway
ATPM — Automatic Train Protection Manual
WP — Western Pacific
JDHX — JD Heiskell
GE — Great Eastern
EC — Excellent Condition

D&I — Design and Implementation
H&S — Health and Safety
SP — Southern Pacific Railroad
TBE — To Be Evaluated
REFOS — Running Edge to Face Of Structure
DD — Direct Debit
ATC — Automatic Train Control
ECO — Electrical Control Operator
OPEX — Operating Expenditure
RRI — Route Relay Interlocking
FJLC — Fabrica de Jabon la Corona
LPO — Local Process Owner
IC — Intercity
TBW — Temporary Block Working
DQM — Data Quality Manager
ETM — Electric Track Maintenance
DART — Dallas Area Rapid Transit
SIMBIDS — SIMplified BI–Directional Signalling
MP — Milepost
BSC — Base Station Controller
AEA — Atomic Energy Authority
CPC — Circuit Protective Conductor
FP — Footpath
SLUT — South Lake Union Trolley
CTRL — Channel Tunnel Rail Link
TOC — Train Operating Company
PW — Permanent Way
LOA — Limit of Authority
NKP — Nickel Plate Road
TO — Technical Officer
ISG — International Steel Group
GP — Georgia-Pacific
QS — quantity surveyor
SRA — Strategic Rail Authority
FDDI — Fibre Distributed Data Interface
LEC — London Electricity Contracting Limited
PA — Public Addresses
AIP — Approval in Principle
HEP — Head-End Power
PDMX — Programmable Digital Multiplexer
KE — Kinematic Envelope
FSG — Financial Statement Generator
DO — Driver Only
PTO — Public Telecommunications Operator
SRN — Sabine River and Northern
MP — Missouri Pacific Railroad
CV — Central Vermont Railway
IMC2 — 2nd generation Infrastructure Maintenance Contract
JTC — Jointless Track Circuit
OEL — Occupational Exposure Limit

SSI — Solid State Interlocking
CDM — Construction Design and Management
CCA — Current Cost Accounting
RJCM — R.J. Corman Railroad Company/ Memphis Line
CD ROM — Compact Disc Read-Only Memory
RJCN — R.J. Corman Railroad Company/ Allentown Lines Incorporated
COCP — Code of Construction Practice
IHB — Indiana Harbor Belt Railroad
RJCL — R.J. Corman Railroad Company/ Cleveland line
CSAO — Conrail Shared Assets Operation
PWM — Pulse width modulation
CB — Central Battery
CR — Conrail
SWT — South West Trains
TCS — Traffic Control System
URFDO — Ultrasonic Rail Flaw Detector Operator
REN — Ringer Equivalence Number
SSR — Super Saver Return
CAIX — CAI Rail Inc.
RJCW — R.J. Corman Railroad Company/ Western Ohio Line
COSS — Controller of Site Safety
PTI — Positive Train Identification
CAT — Central Arkansas Transit
GER — Great Eastern Railway
NER — North Eastern Railway
PTA — Passenger Transport Authority
FRED — Financial Reporting Exposure Draft
AFC — Anticipated Final Cost
A&GW — Atlantic and Great Western Railroad
QX — Qualifying eXceptions
BSP — Bulk Supply Point
SPM — Senior Project Manager
BH–RAIL — Bull Head RAIL Section
OE — Oregon Electric Railway Company
SCAX — Southern California Regional Rail Authority
SOU — Southern Oregon University
ELHS — Erie Lackawanna Historical Society
GMPTA — Greater Manchester Passenger Transport Authority
FFT — Functional Fault Tree
IORY — Indiana & Ohio Railway
RTS — Rapid Transit Systems
SLU — Standard Length Unit
AEAT RAIL — The Former British Rail Research
SYPTE — South Yorkshire Passenger Transport Executive
GMPTE — Greater Manchester Passenger Transport Executive
NJNY — New Jersey and New York Railroad
HMCR — Huntsville and Madison County Railroad Authority
OHL — OverHead Line
ESMS — Engineering Safety Management System
GWRR — Great Walton Railroad Incorporation

SCXY — St. Croix Valley Railroad Company
CRP — Central Railroad of Pennsylvania
MILW — Milwaukee Road
LMLX — Livingston Mountain Locomotive Works
LJU — Line Jack Unit
EAC — Extended Arm Contract
RO-RO — Roll On-roll Off
RE — Resident Engineer
FR — Feasibility Report
LMA — Limit of Movement Authority
RAMS — Reliability, Availability, Maintainability and Safety
ROSCO — Rolling Stock Leasing Company
CRR OF NJ — Central Railroad of New Jersey
NMRX — New Mexico Department of Transportation-New Mexico Rail Runner Express
ALQS — Aliquippa and Southern Railroad Company
BNS — Birmingham New Street
GSM–R — Global System for Mobile communications for Railways
EZP — Electro–Zinc Plating
VIAMONT — Viamont
DVT — Driving Van Trailer
ANBX — Anbel Corporation
MTBFF — Mean Time Between Functional Failures
RJCP — R.J. Corman Railroad Company/ Pennsylvan
DBFO — Design Build Finance Operate
TCS — Train Control System
SPT — Signal Post Telephone
AAX — Agrico Chemical Company
VT — Virgin Trains
LFCD — Linea Coahuila Durango SA de CV
MPI — Magnetic Particle Inspection
GMTX — GATX Rail Locomotive Group
LSB — Local Sensor Bus
ACT — Advanced Corporation Tax
MVB — Multifunctional Vehicle Bus
MPI — Motive Power Industries
VRG — Virgin Rail Group
PRT — Philadelphia Rapid Transit
DPI — Dye Penetrant Inspection
HN — Hutchinson and Northern Railway Company
RJCC — R.J. Corman Railroad/Kentucky Lines
GIJ — Glued Insulated rail Joint
LO-LO — Lift on, lift off,
AWS — Automatic Warning System
SSSI — Site of Special Scientific Interest
CAHA — Claims Allocation and Handling Agreement
PRDC — Princess Royal Distribution Centre
LS — Luzerne and Susquehanna Railway
TCI — Track Circuit Interrupter
TPW — TOLEDO PEORIA & WESTERN
AAR — American Association of Railroads

AB — Additions and Betterments
NSE — Network Southeast
OCS — Overhead Catenary System
EOA — End of Authority
ESSD — Electrostatic Sensitive Device
HABD — Hot Axle Box Detector
JDNX — J & M Locomotive Inc.
CCLX — Crystal Car Lines
SIN — Special Inspection Notice
PCV — Petty Cash Voucher
ECS — Empty Coaching Stock
UTX — Under Track Crossing
HBT — HOUSTON BELT & TERMINAL
PICOP — Person In Charge Of Possession
MTTRS — Mean Time to Restore Service
RIFAA — Rail Industry First Aid Association
HMFI — Her Majesty's Factory Inspectorate
FSH — Full Screen Height
HTT — Harsco Track Technologies
DSRC — DAKOTA SOUTHERN RAILWAY COMPANY
NRSC — Network Rail railway Safety Case
CBQ — CHICAGO BURLINGTON & QUINCY
ETT — Employee Timetable
CET — Controlled Emission Toilet
RTHQ — RailTrack HeadquartersRailCons
TVRM — Tennessee Valley Railroad Museum
AHBLC — Automatic Half Barrier Level Crossing
QAM — Quality Assurance Manager
ID&T — Implementation, Development and Training
PAMX — PrivAte Manual branch eXchange
DNC — Declared Non–Compliance
CRE — Contractor's Responsible Engineer
ORC — Order of Railroad Conductors
TSR — Temporary Speed Restriction
AM — Arkansas and Missouri
SNCB — Société Nationale des Chemins de fer Belges
SHA — Safety Hazard Analysis
E&P — Electrification and Plant
SLRR — St. Lawrence & Raquette River Railroad
HCA — Historic Cost Accounting
QRP — Quarterly Reporting Pack
ETRB — Electronic Train Register Book
AF — Alabama & Florida Railway Company
TOOS — Taken Out of Service
SRS — Sperry Rail Service
ISO — International Standards Organisation
CRT — Critical Rail Temperature
CIW — CHICAGO & ILLINOIS WESTERN
CMNW — CHICAGO MISSOURI & WESTERN
BCHX — Bosques De Chihuahua

PPG — Planning Policy Guidance notes
OOG — Out of Gauge
SLR — ST. LAWRENCE & ATLANTIC
SWOT — Strengths, Weaknesses, Opportunities and Threats analysis
KX — Kings Cross
NY&E — New York and Erie Railroad
WICT — WISCONSIN & CALUMET
MYC — Multi-Year Coverage
ABA — Air Brake Association
GLW — Gross Laden Weight
COER — CRAB ORCHARD & EGYPTIAN
LDDC — London Docklands Development Corporation (UK)
CIP — Core Investment Program
ADN — Ashley, Drew & Northern
ETH INDEX — Electric Trains Heating Capacity
F/B — Foot Bridge
GMO — Gulf Mobile and Ohio
CIC — CEDAR RAPIDS & IOWA CITY
WLL — West London Line
CCI — Confirmation of Client's Instruction
ST — Springfield Terminal Railway Company
FWD — FORT WORTH & DENVER
ABB — Akron-Barberton Belt railroad
NBV — Net Book Value
COS — Client Operating System
AEAT — AEA Technology PLC
CRI — CHICAGO RIVER & INDIANA
W/S — Work Station
SIGWEN — Signalling Equipment Workshop Engineering Notice
EE&CS — Electrical Engineering & Control Systems
DTI — Detroit, Toledo, & Ironton
ENGLEWOOD — Englewood Railway
ATS — Automatic Train Supervision (for rail signaling systems)
GP — General Purpose
ECRO — Electrical Control Room Operator
WABCO — Westinghouse Air Brake Company
PRI — Preliminary Routing Indicator
SWGX — Southwest Georgia Railroad Excursion Authority/Sam Shortline Excursion Train
SSHA — Subsystem Hazard Analysis
TP&SN — Three Phase and Switched Neutral
NJT — New Jersey Transit
PGE — Pacific Great Eastern Railway
FRP — Field Reporting Procedures
WMPTA — West Midlands Passenger Transport Authority
CITDS — Construction Industry Tax Deduction Scheme
CS — COLORADO & SOUTHERN
CWR — CWR Incorporated
BLW — Baldwin Locomotive Works
MEAV — Modern Equivalent Asset Value
D&D — Design & Development

EBS — Emergency Bypass Switch
PLGS — Position Light Ground Signal
TBTC — Transmission-Based Train Control
THB — TORONTO HAMILTON & BUFFALO
JS2 — advanced signalling cable jointing and testing
GNRTS — Greater Nottingham Rapid Transit System
MNS — Minneapolis Northfield & Southern
SCUK — Signalling Controls Uk Ltd
SBK — South Brooklyn Railway Company
PLJI — Position Light Junction Indicator
EPRY — East Penn Railway
SSN–FTA — Subsystem Fault Tree Analysis
FEC — Florida East Coast
RETB — Radio Electronic Token Block
AWP — ATLANTA & WEST POINT)
SDNX — Coaster
BM — BOSTON & MAINE
GCSR — Gulf, Colorado, and San Saba Railway
TCAID — Track Circuit Actuator Interference Detector
BO — BALTIMORE & OHIO)
GU — Grafton and Upton Railroad Company
CAD — Cadiz Railroad
LV — Lehigh Valley Railroad
USAF — U.S. Air Force
RCF — Rolling Contact Fatigue
FDDM — FORT DODGE DES MOINES & SOUTHERN
AVGX — Avon Grain
PI — Paducah & Illinois Railroad
BCWS — Budgeted Cost of Work Scheduled
OCC — Occupied
BTA — British Transport Advertising
LC — LANCASTER & CHESTER
PDRR — Pee Dee River RR
GCSX — Granite City Steel Co
ROSIN — Railway Open System Interconnection Network
BKRR — Batten Kill Railroad
RSP — Rail Settlement Plan
CIS — Customer Information System
NTO — National Training Organisation
CSS — CHICAGO SOUTH SHORE & SOUTH BEND
FTRL — Foster Townsend Rail Logistics
C&O — Chesapeake and Ohio railroad
S&SD — Systems and Safety Department
EFL — External Financing Limit
HTS — High Tensile Steel
CPMG — Company Performance Management Group
OSGR — Ordnance Survey Grid Reference
FNOR — Florida Northern Railroad
HMRI — Her Majesty's Railway Inspectorate
APTIS — All Purpose Ticket Issuing System

TSC — Train Service Code
BH — Bath & Hammondsport Railroad Company
LRV — Light-Rail Vehicle
OPU — Operational Planning Unit
ACWP — AccuracyActual Cost of Work Performed
SIRT — STATEN ISLAND RAPID TRANSIT
FMEA — Failure Mode and Effect Analysis
PJR — Port Jersey Railroad
CBS — Contract Breakdown Structure
AC — Algoma Central Railway
RFD — Rail Freight Distribution
PLMX — CIT Group/Capital Finance, Inc
PMUX — Panel Multiplexer
LHR — Lehigh and Hudson River Railway
GBW — Green Bay & Western Railroad
ATOC — Association of Train Operating Companies
NORTA — New Orleans Regional Transit Authority
ABB — Akron and Barberton Belt Railroad Company
CEI — CHICAGO & EASTERN ILLINOIS
EG — Executive Grade: old style executive job grading system
SGVY — Saginaw Valley Railway Company Incorpora
BGCM — Bg & Cm Railroad
LNER — London and North Eastern Railway
RWY — Railway
DGL — Down Goods Loop
PABS — Passenger track Access Billing System
AGW — Atlantic and Great Western railroad
CRUCC — Central Rail Users Consultative Committee
DOE — Department of the Environment (Canada)
AMTK — Amtrak
PIO — Police Incident Officer
AEPX — American Electric Power Service
PTC — Philadelphia Transportation Company
RAYO — Rayonier
FWWR — Fort Worth and Western Railroad
NRES — National Rail Enquiry Service
ASLEF — Associated Society of Locomotive Engineers and Firemen
SPAD — Signal Passed At Danger
KIWIRAIL — Kiwi Rail
VOL. — volume
SRNJ — Southern Railroad Company of New Jersey
TFVM — Terminal Ferroviaria Del Velle De Mexico Sa De Cv
SSOR — Sisseton Southern Railway Company
SP&SN — Single Phase and Switched Neutral
REB — Relocatable Equipment Building
ATS — Aviation Technical Services (SPAWAR, US Navy)
CPMT — Central Project Management Team
OLE — Overhead Line Equipment
SPI — Safety Performance Indicator
FHIX — Fruit Growers Express

UTLX — Union Tank Car Company
CIÉ — Corás Iompair Éireann
GTR — Great River Railroad
LEB — London Electricity Board
FDC — Financial Data Control
SPCC — Southern Peru Copper Corporation
IERS — International Environmental Rating System
ETL — Essex Terminal Railway Company
DL&W — Delaware, Lackawanna and Western railroad
JLE — Jubilee Line Extension
AEM — Area Environmental Manager
DPL — Down Passenger Loop
WMPTE — West Midlands Passenger Transport Executive
B&O — Baltimore and Ohio railroad
PON — Periodical Operating Notice
POMG — Police Incident Office
TPWS–E — Train Protection and Warning System based on Euro–balise technology
PIDS — Passenger Information Display System
RAFS — Rail Freight Billing System
EOTD — End of Train Device
WESTRACE — Westinghouse Radio Advance Control Equipment
RITS — Rail Infrastructure Transport System
BCC — Banking Control Account
WYPTE — West Yorkshire Passenger Transport Executive
EIRC — Eastern Illinois Railroad Company
ACL — Atlantic Coast Line Railroad
FCP — Ferrocarril del Pacifico
ACI — Allied Continental Intermodal
ABCL — Automatic Barrier level Crossing Locally monitored by train crew
GRIP — Guide to Railway Investment Projects
MSP — Measured Shovel Packing
RIC — Regolamento Internazionale Carrozze
D&H — Delaware and Hudson railroad
BTOG — British Transport Officers Guild
ACTO — Association of Charter Train Operators
EFRX — Eastside Freight Railroad
LC — Level Crossing
DB — Deutsche Bahn
ZOC — Zone Operational Control
P&E — Plant and Equipment
NHCR — New Hampshire Central Railroad
OCRR — Ottawa Central Railway
AB — Akron and Barberton Cluster Railway Company
ALG — Association of London Government
KWT — Kwt Railway, Inc.
ARPS — Association of Railway Preservation Societies
ACIO — Assistant Chief Inspecting Officer
ADD — Automatic Dropping Device
FIO — For Information Only
CUOH — Columbus and Ohio River Railroad Company

INLORS — INner London Orbital Route Strategy
TRTS — Train Ready To Start indicator
URFD — Ultrasonic Rail Flaw Detection
HQ — Head Quarters
RHA — Road Haulage Association
LMD — Light Maintenance Depot
IDMS — Integrated Document Management System
DSL — Denver & Salt Lake
NBEC — New Brunswick East Coast Railway Company Incorporated
MTRT — Matisa Track Recording Trolley
CTR3 — Channel Tunnel Route 3
AWS — Auxiliary Wayside System
IR — Ingersoll-Rand Company
EARY — Eastern Alabama Railway
MAA — Magma Arizona Railroad Company
IMECHE — Institution of Mechanical Engineers
LRWN — LITTLE ROCK & WESTERN
AKS — AK Steel Holding Corporation
ROW — Renewal Of Way
EJR — East Jersey Railroad and Terminal
BEEM — Beech Mountain Railroad Corporation
RITC — Railway Industry Training Council
KOT — Kentucky-Ohio Transportation Co
HFDG — Human Factors Development Group
CCF — Control Centre of the Future
CDNP — Cheques Drawn Not Presented
FCA — Ferrovia Centro Atlantica
WYPTA — West Yorkshire Passenger Transport Authority
S&SD — Railtrack's Safety and Standards Directorate
ETCS — European Train Control System
CRI&P — Chicago, Rock Island and Pacific railroad
DCTA — Denton County Transportation Authority
W&N — Wharton and Northern railroad
LXOH — Knoxville & Holston River Railroad
G&SW — Glasgow and South West line
GWT — Great Western Trains
EM — Edgemoor & Manetta Railway
IRSE — Institution of Railway Signal Engineers
JCT — Joint Construction Trades
PIP — Property Investment Panel
WTT — Working Time Table
CE — Contract Engineer
ZIAR — Zone Infrastructure Asset Register
RRNE — Regional Railways North East
JSRC — Jackson and Southern Railroad Company
DNE — Duluth and Northeastern Railroad Company
SN — Sacramento Northern Railway
FDP — Ferrocarril de Panama
IECC — Integrated Electronic Control Centre
BMS — Berlin Mills Railway

EN — ESQUIMALT & NANAIMO
WSP — Wheel Slip Protection
EV — Everett Railroad
OTW — One Train Working
LOSX — Locomotive Specialists, Inc.
MTR — Mass Transit Railway
IMR — Interlocking Machine Room
WABL — Wabush Lake railway
RPPS — Rail Passenger Partnership Scheme
SRT — Sectional Running Time
ATR — Automatic Train Regulation
CV — CENTRAL VERMONT PUBLIC SERVICE CORP.
ICDB — Industry Capacity DataBase
FB — Flat Bottom Rail
CGRX — Consolidated Grain and Barge Company
DCA — Data Concentrator Appreciation
COI — Confirmation Of verbal Instruction
AGILIS — agilis Verkehrsgesellschaft
AVR — Allegheny Valley Railroad
CCT — Central California Traction Company
WOHO — Wabash and Ohio Railroad
CGW — Chicago Great Western Railway
FNW — First North Western
SFO — Senior Fire Officer
POHC — Pittsburgh & Ohio Central
SLW — Single Line Working
OMLX — OmniTRAX Leasing Limited
WR SSTD — Western Region Solid State Train Describer
BMWE — Brotherhood of Maintenance of Way Employees
LCAMS — Low Carbon Austenitic Manganese Steel
NECR — New England Central Railway
RSSX — Rail Switching Service
TSBY — Great Lakes Central Railroad
CIRY — Central Illinois Railroad Company
PIXC — Passengers in Excess of Capacity
GSPP — General Specification for Possession Planning
DRIR — Denver Rock Island Railroad
SI — Spokane International Railroad Company
CPTM — Companhia Paulista de Trens Metropolitanos
VFN — Valuation Field Notes
RGSP — Railway Group Safety Plan
GA — Georgia Railroad
ACCOLC — Access Overload Control
TTC — Toronto Transit Corporation
LVRM — Lehigh Valley Rail Management
OHNS — OverHead Line Neutral Section
SSIHA — SubSystem Interface Hazard Analysis
OCTR — Octoraro Railway Incorporated
CENTRO — Marketing name of West Midlands Passenger Transport Executive
SWELTRAC — South West London Transport Conference

CRS — Computerised Reservation System
ICG — Illinois Central Gulf
LMSX — Locomotive Management Services
RIC — Rail Incident Commander
RBRX — RB Railway Group
COMPASS — COMbined Performance And Safety System
DH — Delaware and Hudson Railroad
WLE — Wheeling and Lake Erie Railway Company
UIC — Union Internationale des Chemin
QCM — Chemin de fer Cartier
LCM — Lake Champlain and Moriah
OCL — Operational Communications Link
GNWR — Genesee and Wyoming Railroad Company
ECTB — East Chattanooga Belt Railway Company
QNSL — Quebec North Shore and Labrador Railway
ARTP — Association of Rail Training Providers
TRS — Train Ready to Start
PT&R — Promotion Transfer and Redundancy
CESM — Civil Engineering Safety Manual
SMTH — Signal Maintenance Tester's Handbook
VPF — Value of Preventing a Fatality criterion
BAR — Bangor and Aroostook
TOWS — Train Operated Warning System
TIIS — Train Infrastructure Interface Specification
AMU — Access Management Unit
FCCM — Compania de Ferrocarriles Chiapas Mayab, SA de CV
RIPM — Railtrack Investment Prioritisation Model
AVACS — Aire VAlley Control System
MDOT — Maryland DOT
CGIX — Collingwood
APRR — Albany Port Railroad
QC — Quebec Central
TGV — Train a Grande Vitesse
CRR — Competition and Regulatory Reviews
BRSA — British Rail Staff Association
NEG — National Express Group
DOO(P) — Driver Only Operation Passenger
CIM — Chicago & Illinois Midland
CG — Central of Georgia Railway
WRA — Western Railway of Alabama
LLPX — Locomotive Leasing Partners
ZWSX — Zanesville & Western
GCFX — Alstom Canada Transport
RUCC — Rail Users' Consultative Committee
DH — Delaware and Hudson
TE — Tacoma Eastern Railway Company
CSR — Cab Secure Radio
LHR — Lehigh and Hudson River
ESLJ — East St. Louis Junction Railroad
SMG — Systems Management Group

ZFC — Zone Freight Controller
CSN — Companhia Siderúrgica Nacional
DEP — Designated Earth Point
MFCC — M. F. Coffman Collection
AHBC — Automatic Half Barrier Crossing
R/G — level crossing with miniature Red & Green warning lights
IP — Investment Proposal
CPCX — Chevron Phillips Chemical Company
WAB — Wabash Railroad
AKM — American Kraft Mills
FCM — Ferrocarriles Nacionales de Mexico
RSSB — Rail Safety and Standards Board
AP TDM — Accounts Payable Electronics, Time Division Multiplex
NPMEA — National Planning Manager, Engineering Access
HIRR — Hainesport Industrial Railroad
TPH — Trains per Hour
AFRR — Amador Foothills Railroad
FGER — Fruit Growers Express Company
LEN — Lake Erie and Northern Railway Company
MCRR — Monongahela Connecting RR Company
VLIX — Vintage Locomotives Inc
CD — Ceske Drahy
IA — Implementation Authority
RLE — Rail Link Engineering
EPD — Engineering and Production Directorate
GTRA — Golden Triangle Railroad
MQT — Marquette Rail
DVR — Devco Railway Cape Breton Development Corporation now Sydney Coal Railway
ESI — electricity supply industry
CERT — City of Edinburgh Rapid Transport
FTRX — Foster Townsend Rail Logistics
TMD — Traction Maintenance Depot
CO — Chesapeake and Ohio railroad
AB — Absolute Block
LI — Long Island Rail Road Company
APD — Albany Port District
MHSW — Management of Health & Safety at Work Regulations 1992
EUROSPIN — European Seamless Passenger Information Network
L/H — Leasehold
PSB — Power Signal Box
TCT — Texas City Terminal Railway Company
RMPD — Route Modernisation Product Delivery
BTCO — Boston Terminal Company
LWR — Long Welded Rail
BRIS — British Rail Infrastructure Services
FNTX — Ferronet Sa De Cv
LTEX — Larry's Truck Electric
ETE — Electrical Traction Engineers
POA — Payment On Account
MPRX — Motive Power & Equipment Solutions, Inc.

BXN — Bauxite and Northern Railway Company
SWRX — Southwind Shortline Railroad Co
ROAD — Railway jargon for railway line
WJRR — West Jersey Railroad
ECBR — East Cooper and Berkeley Railroad Company
NFPA — National Fire Prevention Association
NP — Northern Pacific Railway
LFB — London Fire Brigade
JN — Junction
NPBL — Norfolk and Portsmouth Belt Line
EN — Euro Norm
VECX — VeraSun Energy
GNRR — Georgia Northeastern Railroad
EACH — East Camden and Highland Railroad
BLE — Bessemer and Lake Erie
LWVX — Lake Shore Railway Association Inc.
SNCF — Société Nationale des Chemins de Fer Français
MOS — Motor Operated Switch
ABC — Automatic Ballast Cleaner
PAL — Paducah and Louisville
LIFT — London International Freight Terminal
OROR — Outside Rules Of the Route
CTL — Combined Transport Limited
CRG — Commercial Review Group
CCU — Core Control Unit
VBR — Virginia Blue Ridge Railway
TRU — Track Recording Unit
CRR — Clinchfield Railroad
PNRX — Pittsburgh Naval Reactors Office
NDA — Not Described Alarm
LLPA — Long Lead Public Address
FWCR — Florida West Coast Railroad Incorporated
TPLX — The Pacific Lumber Co
CEDAC — Civil Engineering Design And Construction
COBA — Cost Benefit Analysis
SWTH — Signalling Works Testing Handbook
RPM — Route Performance Manager
AVL — Aroostook Valley Railroad Company
CORP — Central Oregon & Pacific Railroad
CSAC — Candidate Special Area of Conservation
LRCX — Livingston Rebuild Center
NTBEP — Not to Be Exceeded Price
PC — Penn Central railroad
RIDRR — Railway Industry Dispute Resolution Rules
EPB — Electro Pneumatic Brake
BBRR — Balfour Beatty Rail Renewals
RR — Raritan River
DEMU — Diesel-Electric Multiple Unit
BM — Boston and Maine Railroad Corporation
MCSA — Moscow, Camden, and San Augustine Railroad

ER — Erie Railroad
ECML — East Coast Main Line
USRA — United States Railway Association
FE — Foundation Electronics
EFC — Estrada de Ferro Carajas
OLB — Omaha Lincoln and Beatrice Railway Company
HAZOP — HAZard OPerability study
TSWR — Toppenish, Simcoe & Western Railroad
FF — File Folder
NCC — National Control Centre
ATLT — Austin Todd and Ladd Railroad Company
NH — New York, New Haven and Hartford Railroad
CPEF — Companhia Paulista de Estradas de Ferro
MCTA — Minnesota Central Railroad Company
CRIX — Citicorp Railmark, Inc.
MML — Midland Main Line
NEKM — Northeast Kansas & Missouri
FRVR — Fox River Valley Railroad
CI — Contract Instruction
LRM — Layout Risk Model
BCG — Buffalo Creek & Gauley Railroad
KSRY — Kosciusko and Southwestern Railway
MNCR — Metro North Commuter Railway
MZSA — Midland Zone Sponsors Agent
MC1 — Maine Coast
BS&TE — Business Signal & Telecommunications Engineer
GCW — Garden City Western Railway Company
EJS — East Jordan & Southern Railroad
GNER — Great North Eastern Railway
KNOR — Klamath Northern Railway
TD–D — Data Course (Training)
TSNR — Tyson Railroad Incorporated
CEDG — Civil Engineering Design Group
DMIR — Duluth, Missabe and Iron Range
YB2 — Yellow Book issue 2
FA — Fixed Assets
NPR — Northern Plains Railroad Incorporated
ACJR — Ashtabula Carson Jefferson Railroad Company
RUT — Vermont Railway Incorporated
IMP — Industrial Metals Processing
ICMU — Interference Current Monitoring Unit
ALL — America Latina Logistica
EUKL — Eurostar (UK) Ltd
ZCAM — Zonal Corporate Affairs Manager
AERC — Albany and Eastern Railroad Company
SPWEE — Safety Procedures for Working on Electrical Equipment
HOBC — High Output Ballast Cleaner
P — Programme
HSDR — High Speed Data Ring
SOO — Soo Line Railroad

TCI — Transportation Consultants International
ILSX — Independent Locomotive Service
PCHR — Port Colborne Harbour Railway
AFLR — Alabama & Florida RR
SSR — Railway Service Contractors
SLGW — Salt Lake, Garfield, and Western Railway Company
WTB — Wire Train Bus
TZPR — Tazewell and Peoria Railroad
ECR — Electrical Control Room
JEFW — Jefferson Warrior Railroad Company
OHLE — Overhead Line Equipment
EWS — English Welsh and Scottish railway
DO — Delaware Otsego
MUNI — San Francisco Municipal Railway
GBRY — Gettysburg Railway
CTRW — Carlton Trail Railway Company
DLR — Docklands Light Railway
WHOE — Walking Horse & Eastern
E&G — Edinburgh to Glasgow line
BABT — British Approved Board for Telecommunications
NY&NJ — New Jersey and New York railroad
CDMA — Collision Detection Multiple Access
EFRTC — European Federation of Railway Trackwork Contractors
PHRR — Port Harbor Railroad
ZPAM — Zonal Public Affairs Manager
RSC — Railway Safety Case
OJEC — Official Journal of the European Community
KFR — Kettle Falls International railway
ETHERNET — Computer cabling system
DOO(NP) — Driver Only Operation Non Passenger
YAN — Yancy Railroad
SAA — Station Access Agreement
PPM — Planned Preventative Maintenance
BRIMS — British Rail Incident Monitoring System
EFA — Estrada de Ferro Amapa
MDRY — Midland Railway Historical Association
TRB — Transportation Research Board
GAAB — Georgia and Alabama Division South Carolina Central Railroad
PNR — Panhandle Northern Railroad Company
AEFR — Aurora Elgin and Fox River Electric
GANO — Georgia Northern Railway Company
CSL — Chicago Short Line Railway Company
SBD — Seaboard System Railroad
SQE — Safety Quality and Environment
PDAC — Performance Data Accuracy Code
EM — Environmental Manager
BRI — British Rail International
ADRC — Access Dispute Resolution Committee
PVRR — Pioneer Valley Railroad Company Incorporated
BDLX — Big Dog Lines

JSOP — Joint Signing on Point
KSW — Kansas Southwestern Railway
NE — National Express
OKAN — Okanagan Valley Railway Company
RSL — Rolling Stock Library
EC4T — Electric Current for Traction
DLCX — Diesel Locomotive Co LLC
DPPP — Draft Period Possession Plan
SSIC — Solid State Interlocking Controller
BCR — Bay Coast Railroad
BRT — British Rail Telecommunications
FMES — Fixed and Mobile Equipment Supply
ZPUG — Zonal Possession User Group
SIGTAN — SIGnalling equipment Technical Advice Notice
RLGX — Rail Logix, LLC
UPY — Union Pacific Yard
B&M — Boston & Maine Railroad
FBMIS — Finance and Business Management Information System
KW — Keota & Washington RR
CMGN — Central Michigan RR
WYCO — Wyoming and Colorado Railroad
DAKR — Dakota Rail Incorporated
KDC — key distribution centre
OCR — Ottawa Central Railway
NUCX — Nucor Steel Crawfordsville
YST — Youngstown Sheet and Tube
BRR — British Rail Research
KNRY — Korean National Railways
PEARS — Paladin data Extract And Recording System
BFC — Bellefonte Central Railroad
LAWS — Low Adhesion Warning System
NJDOT — New Jersey Department of Transportation
SOR — Southern Ontario Railway
FGMR — Fruit Growers Express Company
PRYL — Port Royal Railroad
BBRPL — Balfour Beatty Rail Projects Limited
UPWSF — UnProtected Wrong Side Failure
EPTC — East Portland Traction
CAG — Contract Approval Group
DAPP — Draft Annual Possession Plan
MSTL — Minneapolis & St. Louis
MKNR — Mackenzie Northern Railway
CARX — Caliber Auto Transfer
CA — Chesapeake & Albemarle
HE — Hollis and Eastern Railroad Company
CER — Change En Route
PWSX — Power Source Supply Inc
CNUR — C and NC Railroad Corporation
GECX — General Electric Company
EQAP — EQuipment APpreciation

CRA — Call Routing Apparatus
LNAL — Louisville New Albany and Corydon Railroad
LGV — Ligne Grande Vitesse
FIRR — Flats Industrial Railroad
CFMG — Chemin de Fer de LA Matapedia et du Golfe Inc.
FGLK — Finger Lakes Railway
SSRB — Special Speed Restriction Board
NYLB — New York and Long Branch Railroad Company
RCM(2) — Remote Condition Monitoring
DESX — DIESEL ELECTRIC SERVICES
BLOL — Bloomer Shippers Connecting Railroad Co.
TGV — Train à Grande Vitesse
DETP — Detailed Engineering Train Plan
EWD — Each Week Day
FRDN — H and S Railroad Company Incorporated
ANY — Athabasca Northern Railway
CMO — Chicago, St Paul, Minneapolis and Omaha
RJIS — Rail Journey Information System
FXE — Ferromex
LUL — London Underground Ltd
DPA — Delegated Procurement Authority
AGVX — Ag Valley Co-op
GRYR — Grenada Railway
BP — Brake Pipe
CLCO — Claremont & Concord
DCIO — Deputy Chief Inspecting Officer
TDS — Train Dispatcher Sheets
MNCW — Metro-North Commuter Railroad
JTCO — Jacksonville Terminal Company
ETD — National Extension Trunk Dialling
ECR — Euro Cargo Rail
FPL — Facing Point Lock
RPI — Revenue Protection Inspector
ITPM — IT Process Model
LPN — Longview, Portland & Northern
FSRR — FerroSur
BBRM — Balfour Beatty Rail Maintenance Limited
CEFX — CIT Group/Capital Finance, Inc
CHS — Charlotte Southern Railroad
LPA — Local Procurement Agent
MNRR — Modoc Northern Railroad Company
BMIS — Business Management Information System
RPI — Revenue Protection Officer
IAIS — Iowa Interstate Railroad
EAWA — Electricity at Work Act
LHRR — Longhorn Railroad
ATIX — Alstom Transportation Incorporated
TTC — Toronto Transit Comission
VSO — Valdosta Southern Railroad
TDA — TRUST Delay Attribution

GMR — Georgia Midland Railroad
FCRD — First Coast Railway
POV — Pittsburgh & Ohio Valley
TKEN — Tennken Railroad Company Incorporated
RSF — Right Side Failure
SOPOR — Societe du Port Ferroviaire de Baie-Comeau Haute-Rive
SSIDWS — Solid State Interlocking Design WorkstationS
NSL — St. Lawrence and Raquette River Railroad
ALCO — American Locomotive Company
SRCL — Southern Rails Cooperative
DPC — Data Protocol Converter
USSC — United States Sugar Corporation
MAFF — Ministry of Agriculture, Fisheries & Food
OURD — Ogden Union Railway and Depot Company
EL — Erie Lackawanna Railway
AWE — Advance Warning Estimates
FWRY — Fillmore Western Railway Company
AMWX — AMERICA MOTIVE POWER, INC
AWB — Advance Warning Board
SRY — Southern Railway of British Columbia
DBSO — Driving Brake Second Open
GC — Georgia Central Railway
MRP — Management Reporting Pack
ETR — Electronic Train Recording
ADG — Area Delivery Group
FCMR — Fort Collins Municipal Railway
T/T — Telephone and Telegraph
MKT — Missouri-Kansas-Texas Railroad
IORPS — Integrated Operational Railway Planning System
DV — Delaware Valley Railway Company
DMU — Diesel Multiple Unit
DODX — United States Department of Defense
FTS — Failure to Stop
CAMPS — Computer Assisted Maintenance Planning System
PROCSYS — Procurement Control
SLQ — St. Lawrence and Atlantic Railroad
GW — Great Western Bank
EMD — Electro-Motive Division of General Motors
ESNA — Eureka Springs and North Arkansas
FDDB — Fibre Distributed Database
TORUS — Transport Operations Rapid Update System
TN — Texas and Northern Railway Company
JXPT — Jaxport Treminal
MB — Level crossing with Manually lifting Barriers
PSR — Passenger Service Requirement
CNL — Columbia Newberry and Laurens
VULX — Vulcan Materials Company
OPE — Oregon Pacific and Eastern
PLW — PL and W Railroad Incorporated
ADMX — ADM Transportation Company

PWI — Permanent Way Institution
RT — River Terminal Railway Company
SCL — Seaboard Coast Line Railroad
LIRR — Long Island Railroad
MPEX — Motive Power Industries
WTLR — West Texas and Lubbock Railroad Company
TXL — TX Logistik AG Germany
NEZP — Nezperce Railroad
NBX — Not Boxed
CAMS — Cost Allocation Management System
CTC — Centralised Traffic Control
TENS — Trans European Network Strategy
TIT — Texas International Terminals
BST — Basic Signalling Technology
PFPI — Process for Performance Improvement
AOCR — Automatic Open level Crossing Remotely monitored
GSF — Georgia Southern and Florida Railway Company
RE&TD — Real Estate and Tax Department
MNA — Missouri & Northern Arkansas
SSIDES — Solid State Interlocking Design
APT — Advanced Passenger Train
PMI — Project Manager's Instruction
JKL — J.K. Line Incorporated
EFCB — Estrada de Ferro Central do Brasil
TCN — Train Communications Network
WAR — Warrenton Railroad Company
CCPN — Corpus Christi Terminal Railroad
RLHH — Southern Ontario Railway
RIA — Railway Industry Association
NYNH&H — New York, New Haven and Hartford railway
APP — Annual Possession Plan
CPD — Capital Programmes Directorate
BB — Buildings and Bridges
GUV — General Utility Van
MCF — Microfilm Roll
PRL — Penn Eastern Rail Lines Incorporated
APM — Area Production Manager
CTR — cost time resource
NPS — National Payroll System
TOU — Train Operating Unit
FIBU — FIfty hertz Booster Unit
RGS — Railway Group Standard
NBSR — New Brunswick Southern Railway Company
RID — Regulations governing International carriage of Dangerous goods by rail
NYLE — New York and Lake Erie Railroad Company
VSR — Valley & Siletz RR
MDW — Minnesota Dakota and Western Railway Com
BH — Bath and Hammondsport Railroad
DDA — Design and Development Authority
CDM — Control Duty Manager

TRACA — Track Condition Assessment
ICAEW — Institute of Chartered Accountants of England and Wales
PSAP — Puget Sound and Pacific Railroad Company
GOB — Gospel Oak to Barking line
EIRENE — European Integrated railways Radio Enhanced NEtwork
PM — Production Manager
NYI — No Year Indicated
GMRY — Great Miami and Scioto Railway
LCU — Local Control Unit
SDIV — San Diego and Imperial Valley Railroad
CDR — Cheap Day Return
VSRR — Virginia Southern Railroad
SIN — Special Instruction Notice
CUVA — ISG Cleveland Works Railway Company
DAB — Departmental Advice Blue
PTRR — Port Townsend Railroad Incorporated
TMR — Metropolitano Roca
MMC — Monopolies and Mergers Commission
BRBS — British Rail Business Systems
DAKS — Dakota Short Line
RR — Railroad Reporting
NOLR — New Orleans Lower Coast Railroad Incorporation
IVPS — Intermediate Voltage Power Supply
ROTR — Rules of the Route
WAGN — West Anglia Great Northern
PRSL — Pennsylvania Reading Seashore Lines
OPS — Outline Project Specification
LUN — Ludington and Northern Railway
CLSL — Columbia and Silver Creek Railroad
WYS — Wyandotte Southern Railroad Company
OHK — Kruse Grain
ACORP — Association of Community Rail Partnerships
LN — Louisville and Nashville
JE — Joppa and Eastern Railroad Company
MSEX — Tour Alaska Inc.Dba Princess Tour
MNJ — Middletown & New Jersey Railroad
SCW — Safety Critical Work
RESX — Rescar, Inc.
LRS — Laurinburg and Southern
JCAC — Johnson County Airport Commission
ARI — Alphanumeric Route Indicator
TIC — Technical Investigation Centre
NRLS — Network Rail Line Standards
KCT — Kansas City Terminal Railway
NCB — nevada copper belt
ITC — Illinois Terminal Railroad
WCML — West Coast Main Line
WGNS — Wisconsin Great Northern Railroad Inc
GWR1 — Great Western
LB — Line Blocked

LOS — Limit Of Shunt indicator
ADR — regulations concerning the International Carriage of Dangerous Goods by Road
TMBL — Tacoma Municipal Belt Line Railway
NYSW — New York Susquehanna and Western
DTMF — Dual Tone Multi-Frequency
USAX — United States Army
DCM — Duty Contracts Manager
GENIUS — GEmini for Non Integrating Unit Stock
ACRC — Andalusia & Conecuh Railroad Company
HGK — Hafen und Gueterverkehr Koeln
MWLX — Midwest Locomotive Works
TPO — Travelling Post Office
TDIX — Transdynamic Leasing
HW–POINT — Particular type of point with electricmotor drive
DALT — Dallas Terminal Railway
COT — Condition of Track
WSS — Winston-Salem Southbound Railway Company
NPM — National Procurement Manager
RUPP — Road Used As A Public Path
HSTRC — High Speed Track Recording Coach
CHP — Ferrocarriles Nacionales de Mexico
CSM — Commercial Services Manager
TMD — Train Mass Detectors
BMRR — Beech Mountain Railroad
SSLV — Southern San Luis Valley Railroad
TIR — Transports Internationaux Routiers
BS SPEC — British Standards specification
PRWX — Railway Entertainment Services Inc.
I/L — InterLocking
MATT — Mattagami Railroad
SNR — Sunflour Railroad Incorporated
RPCX — Railroad Passenger Car Numbering Bureau
WPYR — White Pass & Yukon Route
MTCO — Macon Terminal Company
SSM — Safety Strategy Manager
NHVR — New Hope Valley Railroad
ESM — Engineering Safety Management
BEDT — Brooklyn East District Terminal
NAP — Narragansett Pier Railroad Company
FRAME — Fault Reporting And Monitoring Equipment
LEFC — Lake Erie, Franklin & Claron
MSDR — Knoxville & Holston River Railroad
CWC — Charleston and Western Carolina
REPTA — Railway Employees Privilege Ticket Association
CA — Commercial Assistant
RMS — Risk Management System
VAB — Vehicle Acceptance Board
EUCG — End User Computing Group
PCRC — Panama Canal Railway Company
GSWR — Georgia Southwestern Railroad

STLH — St Lawrence and Hudson
CT — Central Trains
PRTD — Portland Traction
SMW — St Marys Railway West LLC
ELGX — Trains Touristiques De Chaudiere-Appalaches
PREX — Pioneer Rail Equipment
HCRC — Hillsdale County Ry. Co., Inc.
SILX — S&I LOCOMOTIVE SERVICES, INC.
IRRC — Iowa R.R. Co.
MLRI — Multi–Lamp Route Indicator
WEN — Weekly Engineering Notice
ROP — Rules of the Plan
GWR — Great Western Railway Company
MRP — Monthly Reporting Pack
DKPX — Duke Power Company
IA — Investment Authority
EIP — Examination in Public
SAL — Seaboard Air Line Railway
RHT — Railway Heritage Trust
TSSU — Time Slot Sharing Unit
TD–T — Transmission Course (Training)
LNER — London North Eastern Railway
CRIP — Chicago Rock Island & Pacific
JJRR — J and J Railroad
DMCI — Des Moines & Central Iowa RR
MNBR — M and B Railroad LLC
USRC — U.S. Rail Corporation-Jackson Division
BHRR — Birmingham Terminal Railway
LDG — List of Dangerous Goods
EFE — Electrification Fixed Equipment
MSRC — Kansas City Southern Railway
PLBX — Palmetto Brick
NFM — National Fare Manual
DIADS — Diagram Input And Distribution System
TO — Team Organiser
OHRY — Owego and Harford Railway Incorporated
RNCX — North Carolina Dept Of Transportation
LOAM — Lousiana Midland
IN — Indiana Northeastern Railroad
FP — Flexibility Premium
ER — Employer's Representative
NRA — National Rail Academy
USRA — United States Railroad Administration
B&H — Bath and Hammondsport railroad
ACM — Area Consents Manager
OOU — Out of Use
RSAB — Rolling Stock Acceptance Board
BRG — Business Review Group
SOT — SOUTH OMAHA TERMINAL RAILWAY COMPANY
WGCR — Wiregrass Central Railroad. Incorporated

ASBPC — Adjacent SignalBox Protocol Converter
ABP — Aberdeen & Briar Patch
VIA — Via Rail Canada
TOE — Texas Oklahoma and Eastern RR Company
NYLEW — New York, Lake Erie and Western railroad
CANX — CANAC International Incorporation
ELR — Engineers Line Reference
SSDC — Signalling Systems Direct Current
CCO — Clinchfield Railroad Company
TNMR — Texas and New Mexico Railroad Company
BRUTE — British Railways Universal Trolley Equipment
NRS — National Railway Supplies, Ltd.
CVRY — Caddo Valley Railroad Company
ATCO — Association of Transport Co-ordinating Offices
COE — Colorado & Eastern
TXNW — Texas North Western Railway Company
INRD — Indiana Railroad
BHP — BHP Nevada Railroad Company
HOCM — Head of Contract Management
PM — Pere Marquette Railway
ER — Eesti Raudtee
POM — Possession Optimisation Manager
JTPX — Joseph Transportation, Inc.
CWP — Chicago West Pullman and Southern
CVYR — Hargraves & McCrary, P.A.
EIRR — Eastern Idaho Railroad Incorporated
BZP — Bright Zinc Plating
AZER — Arizona Eastern Railway Company
LT — London Transport
HOP — Head Of Projects
EEC — East Erie Commercial Railroad
AOK — Arkansas-Oklahoma Railroad
DFL — Down Fast Line
REA — Railway Express Agency Corporation
PBRTC — Permian Basin Regional Training Center
BCSR — Buckeye Central Scenic Railroad
TUPE — Transfer of Undertakings for Protection of Employment
TS&I — Technical Services and Innovation
CAE — Chicago Aurora and Elgin
DDI — Design Development and Implementation
NYA — New York and Atlantic Railroad
TQ — Technical Query
LAJ — Los Angeles Junction Railway
BSDA — Bi-State Development Agency
OPM — Operational Planning Manager
API — Applications Interface
CPLT — CAMINO, PLACERVILLE & LAKE TAHOE RAILROAD CO.
LV — LiVerpool Street
TYBR — Tyburn Railroad Company
SFG — Societe du Chemin de Fer de la Gaspesie

EMLX — Electro-motive Leasing
HOPO — Head Of Projects Organisation
FUG — Freight Up Grade
UFL — Up Fast Line
CWL — Cornwall Railroad
DCP — Document Control Point
SSDK — Savannah State Docks Railroad Company
SPUD — St. Paul Union Depot Company
MNVA — Minnesota Valley Transportation Company
PHLX — Parrish & Heimbecker Limited
ISG — Infrastructure Support Group
EI — Electrical Installation
EP — Electronic Principles
QGRY — Quebec Gatineau Railway Incorporated
SPADMIS — Signal Passed At Danger throughout Information System
MMRR — Mid-Michigan Railroad Incorporated
DTSL — Detroit & Toledo Shore Line
CNRX — Canadian Northern Railway LLC
AHB — Automatic Half Barrier level crossing
SWP — Southwest Pennsylvania Railroad
ZTE — Zone Telecommunications Engineer
NYOW — New York, Ontario and Western Railway
NYD — New York Dock Railway
NYO&W — New York, Ontario and Western railway
ESR — Emergency Speed Restriction
QC — Quebec Central Railway
GRR — Georgetown Railroad Company
BR — British Railways
SPTA — Strathclyde Passenger Transport Authority
DGI — Dangerous Goods Incident
CO — Chesapeake & Ohio
NCOK — North Central Oklahoma Railway
IMRL — I&M Rail Link
PWRA — Private Wagon owners Registration Agreement
CSA — Cross–Sectional Area
GRN — Greenville and Northern
PRSX — Progress Rail Services Corporation
CIL — Chicago Indianapolis and Louisville
FOU — Freight Operating Unit
RPL — Rail Property Limited
NRNJ — Northern railroad of New Jersey
WHRC — Windsor and Hantsport Railway
BOP — Booking On Point
BNC — British National Connector
NTN — National Teleprinter Network
L/S — Late Start
GRIV — Gauley River Railroad LLC
TTI — Transkentucky Transportation
CKRY — Central Kansas Railway Incorporated
ESPN — East Penn Railroad

TOC — Test On Completion
NRM — National Railway Museum
EDW — El Dorado and Wesson Railway Company
SPARESCO — Spare part company
SPT — Strathclyde Passenger Transport
RSP — Roscoe Snyder and Pacific Railway
RCH — Railway Convalescent Home
FLR — Fife Lake Railway
MT — Mississippi and Tennessee RailNet Incorporated
FMID — Florida Midland Railroad Company Incorpo
EWS — English, Welsh & Scottish Railway Ltd
DRA — Driver Reminder Appliance
ORRX — Oregon Department Of Transportation
HS — H and S Railroad Company
SKOL — South Kansas and Oklahoma
CPMY — Coopersville & Marne Railway
BT — Booster Transformer
HCRY — Huron Central Railway
AMS — Austenitic Manganese Steel
GDI — Graphical Data Interface
GWML — Great Western Main Line
BPA — Business Planning Analysis
TIC — Tester In Charge
PRIDE — Passenger Rail Information Display Equipment
PS — Pittsburg and Shawmut Railroad Company
LANO — Penn Eastern Rail Lines Incorporated
EXCO — Railtrack Line Executive Committee
CVL — CUYHOGA VALLEY LINE RAILROAD
CHTS — Penn Eastern Rail Lines Incorporated
TBRX — Taylor Rail Group
RT1B — Railtrack Track Renewal Contract
SFLR — Shore Fast Line Incorporated
HSTRT — High Speed Track Relaying Tin
EVWR — Evansville Western Railroad Inc
FRA — Fixed Rate Agreement
ERIE — Erie Railroad
NEGS — New England Southern Railroad
HESR — Huron and Eastern Railway Company
SJVR — San Joaquin Valley RR
ABC — Atlanta, Birmingham and Coast
ECR — Evaluation of Change Request
CBQ — Chicago, Burlington, & Quincy Railroad
QCR — Quebec Central Railway
IMC — Infrastructure Maintenance Company
VPI — Vital Processor Interlocking
C2C — Acronym for London Tilbury and Southend lineRailCons
GEOGIS — GEOGraphic Information System
WRCC — Wyoming Railcar
MEP — Member of European Parliament
VNCAB — Vehicle and Network Change Approvals Board

SOR — Standard Open Return
TNM — Train Network Management
ROCK — Chicago, Rock Island and Pacific Railroad
N&W — Norfolk and Western railway
WHPX — W.F. Hall Printing
UTCX — Union Tank Car Company
RSC — Railway Skills Council
ICE — InterCity Express
MTP — Mode of Travel Priority
CEMR — Central Manitoba Railway Incorporated
AUG — Augusta Railroad
AF — Auxiliary Feeder
BRT — Brotherhood of Railroad Trainmen
RTPI — Real Time Passenger Information system
CPA — COUDERSPORT & PORT ALLEGHENY RAILROAD
IAT — IOWA TRACTION RAILROAD CO
MS — Michigan Shore Railroad Incorporated
VOBC — Vehicle OnBoard Control
PEARLS — Personnel Enquiries and Administration Recording Local System
SETA — Signalling Eqipment Technical Agent
PH — Professional Head
CSOR — Connecticut Southern Railroad
DVS — Delta Valley and Southern Railway Company
WC — Wisconsin Central Railway
GCRY — Grand Canyon Railway
FCEN — Florida Central Railroad
CCR — Corinth & Counce Railroad Company
EHD — East Ham Depot
APC — Automatic Power Control
GFRR — Georgia and Florida RailNet
PLAX — PORT OF LOS ANGELES
OCW — Ocean City Western Railroad
RSABGP — RSAB Group which provides support to RSAB and projects
OTM — On–Track Machine
WVRC — WABASH VALLEY RAILROAD CO.
SLIM — St Louis, Iron Mountain & Southern
NYNHH — New York, New Haven and Hartford railway
GIS — Graphical Information System
VDP — Vertical Design Package
EDP — Electrification Distribution and Plant
MOT — Marine Oil Transportation
BMRG — Blue Mountain and Reading
JKWI — Johnsonburg, Kane, Warren and Irvine Railroad
OPT — Orange Port Terminal Railway
LLW — Lavacot Locomotive Works
NAR — Northern Alberta Railways
EMRY — Eastern Maine Railway Company
PUG — Passenger Up Grades
GMDX — General Motors Diesel Canada
PDM — Project Development Manager

EAZ — East Anglia Zone
AEE — American European Express
RCDO — Railway Crossing Diversion Order
INPR — Idaho Northern & Pacific Railroad
HLGX — Helm Financial Corporation
NRES — National Railway Enquires
MPD — Major Projects Division
UGL — Up Goods Line
MR — McCloud Railway Company
NBN — Nicolet, Badger & Northern
TT — Toledo Terminal
DLWR — Depew Lancaster and Western Railroad Com
ME — Morristown & Erie Railroad
E&P — Engineering and Production
CENELEC — European Committee for Electrotechnical Standardisation
PJRL — Penn Jersey Rail Lines Incorporated
KOG — Kansas, Oklahoma, & Gulf
NPCCS — Non Passenger Carrying Coaching Stock
DPC — Development Planning Centre
PWS — Permanent Way Supervisor
NWSW — Northwestern Steel and Wire Co.
RA — Reporting Accountant
ABCX — Alabama Byproducts Corporation
EVR — Early Voluntary Retirement
WCRC — Washington Central Railroad Corporation
MWRX — Midwest Rail Holdings Incorporated
ARRC — Advanced Railway Research Centre
IBT — International Bridge and Terminal Company
TPPP — Transport Policies and Programme Package
PRB — Personalised Rule Book
ELP — East London Partnership
BRTC — Brotherhood of Railroad Trainmen Sub-Collection
LIRC — Louisville & Indiana
GERY — Georgia & Eastern
CCUO — Chicago-Chemung Railroad Corporation
RFFSA — Rede Ferroviária Federal SA
APPX — Appalachian Railcar Services
HRT — Hartwell RR
DMN — Duluth Missabe and Northern Railway
DFG — Del Fungo Giera Servizi Ferroviari Srl
GATX — General American Marks Company
MDC — Management Driven Change
WFE — Western Fruit Express
TOPS — Total Operations Processing System
CPRR — Central Pacific Railroad
ITCO — Intracoastal Terminal Co
GMSR — Kansas City Southern Railway
CPST — Central Project Sponsor's Team
WCTU — White City Terminal & Utility
RCL — Railway Claims Ltd

SIRR — Southern Industrial Railroad
IOCR — Indiana & Ohio Central Railroad
GTRM — GT Railway Maintenance
TCF — Track Circuit Failure
GWRS — Great Western Railway Company
R&R — Rationalisation and Resignalling
NPPR — Nez Perce-Pomeroy RR Co
DAIR — D and I Railroad Company
AD&R — Asset Development and Renewal
SMIC — Site Manager's Information Compendium
KCPS — Kansas City Public Service
SCT — Sioux City Terminal Railway
MCA — Maywood Co-op Association
DLW — Delaware Lackawanna and Western
VC — Virginia Central Railway
PCY — Pittsburgh Chartiers and Youghiogheny
ATR — Automatic Train Reporting
NAPS — National Accounts Payable System
AOCL — Automatic Open level Crossing Locally monitored by train crew
KRT — Kanawah River Terminals
LKRR — Little Kanawha River Rail Incorporated
DQE — De Queen and Eastern Railroad Incorporat
VS — V and S Railway Incorporated
CQPA — Central Columbiana & Pennsylvania RR
RIV — Regolamento Internazionale Vagoni
AIP — Area Investment Panel
HSTR — High Speed Track Recording
MEC — Maine Central Railroad
PGC — Producers Grain Corporation
YVT — Yakim Valley Transportation Company
DML — Down Main Line
QRA — Quantified Risk Analysis
ACY — Akron, Canton and Youngstown
TIC — Track Inspection Coach
RII — Relay Interlocking Interface
CWRO — Cleveland Works Rail Operations
PROMISE — Planning and ResOurces MonItoring SystEm
IMACS — Inventory Management Accounting and Control System
O&I — Operations and Interface
SEMTA — South East Michigan Trans Auth
HTW — Hoosac Tunnel and Wilmington
BDM — Business Development Manual
ORN — Overlay Radio Network
TPS — Traction Power Supply
SWGR — Seagraves Whiteface and Lubbock Railroad
ATB — Automatic Ticket Barrier
SEC — Southern Electric Company
MARC — Maryland Transit Administration
OTSX — On Track Rail Services
MIRS — Mare Island Rail Service

SRPTA — Technical Advisor nominated by SRP Secretariat
SWA — Steel Wire Armoured
DPL — Down Platform Line
KPR — Kelowna Pacific Railway Limited
NN — Northern Nevada Railroad Corporation
ES — Engineering Supervisor
NRG — National Records Group
UEL — Up Electric Lane
TEB — Telephone Enquiry Bureau
PCB — Petty Cash Book
CCCR — Cape Cod Central Railroad
PAL — Property Action Line
WCRM — West Coast Route Modernisation
SAM — Switch Activating Mechanism
PROMPT — PRiority On Managing Performance Trends
CTML — Cairo Terminal Railroad Company
SMRR — Sisseton Milbank Railroad Incorporated
WTF — Wrong side Telecommunications Failure
MDLE — Mount Dora & Lake Eustis Railway
R/T — Right Time
DJRR — Decatur Junction
ELS — Escanaba and Lake Superior Railroad Comp
JVRR — Juniata Valley Railroad Company
CDOT — Conneticut Department of Transportation
PDS — Project Definition Stage
TL — Through Line
LWRT — Long Welded Rail Train
SPC — Senior Production Controller
ITS — Infrastructure Testing Services
HRRC — Housatonic Railroad Company
SWIFT — Structured What If Technique
PAM — Product Acceptance Manager
PUWER — Provision and Use of Workplace Equipment Regulations 1992
BR — Buffalo and Pittsburgh
RRCI — Redmont Railway Company Incorporated
CPW — CHICAGO, PEORIA & WESTERN RAILROAD CO.
AWW — Algiers Winslow and Western Railway
IMRR — Illinois Midland Railroad
MOC — Missouri Central Railroad Company
NPC — NORTH PACIFIC COAST
CRT — Construction Round Table
TUPE — Transfer of Undertakings
RSTL — Rail Staff Travel Ltd
GL — Goods Line
OCE — Oregon California & Eastern
RTD — Regional Transportation District
IMU — Infrastructure Maintenance Unit
GWZ — Great Western Zone
CTR1 — Channel Tunnel Route 1
BNML — Burlington Northern Manitoba Limited

TAA — Track Access Agreement
WCTR — WCTU Company White City Terminal Railway
T&H — Tottenham & Hampstead
LINC — Lewis and Clark Railway Company
WKRL — Western Kentucky Railroad
PPU — Tazewell & Peoria Railroad
YSLR — Yolo Shortline Railroad Company
FTA — Fault Tree AnalysisUoS
SPADRAM — SPAD Reduction & Mitigation
HLCX — Helm Financial
SSAP — Statement of Standard Accounting Practice
NWR — Normal Working Resumed
PICP — Pollution Incident Control Plan
OPR — Oregon Pacific Railroad
CWM — Carriage Washing Machine
PLS — Position Light Signal
CBRM — Chillicothe-Brunswick Rail Maintenance Authority
TWA — Transport and Works Act
SNCT — Seattle & North Coast R.R. Co.
FJG — Fonda Johnstown & Gloversville RR
TTR — Talleyrand Terminal Railroad Company
DMVW — Dakota Missouri Valley and Western Railr
JSE — Janesville & Southeastern
EMGTPA — Equivalent MillionGross Tonnes Per Annum
L&B — Land and Buildings
AC&Y — Akron, Canton and Youngstown railroad
BPA — Business Planning Accountant
JMHX — J. M. Huber Corporation
TRU — Infrastructure track Renewal Unit
CEGB — Central Electrictricity Generating Board
ATT — Active Tilting Train
TP — Temporary Placement
TNO — Texas & New Orleans
CHGX — Chicago Gravel
LIRX — Lapeer Industrial Railway
TXGN — Texas Gonzales and Northern Railway Comp
EAZIAL — Easy Access Zonal Infrastructure Asset Log
RT1A — Railtrack Infrastructure Maintenance Contract
TMS — Metropolitano San Martin
ETRY — Eastern TN Railway
PNRR — Pennsylvania Northeastern
GASX — Gerdau Ameristeel
BLMR — Blue Mountain Railroad
L&S — Lehigh and Susquehanna railroad
ABLX — American Refrigerator Transit Company
ATT — Advanced Tilting Train
SRP — Safety Review Panel
P3 — Primavera Project Planner
MIGN — Michigan Northern Railway
GTW — Grand Trunk Western

TAC — Telecomms Appreciation Course
ATTA — Automatic Track Top and Alignment
NIWX — Northern Illinois and Wisconsin Railway
MAEG — Maersk Sealand
TNER — Texas Northeastern Division Mid-Michigan
RRC — Respondek Railroad Corporation
RSBS — Railway Standard Building Specification
C&E — Chicago and Erie Railroad
BRP — Budget Reporting Pack
GLC — Great Lakes Central Railroad
LTA — Lost Time Accidents
SRP — Statutory Reporting Pack
KGBW — Kewaunee Green Bay and Western
LS — Lehigh and Susquehanna railroad
NZR — New Zealand Railways
JRWX — Johnson Rail Services
GETY — Gettysburg Railroad
LC — Line Clear
EAM — Engineering Access Manager
LSPD — Local Safety Policy Document
ARS — Automatic Route Setting
CARW — Carolina Western Railroad
DPPP — Disabled Peoples Protection Policy
OP — Outside Party
SRP — System Review Panel
FGW — First Great Western
RIL — Railtrack Insurance Limited
SC — Signalling Centre
CWCY — Caldwell Country Railroad
ALM — Arkansas Louisiana and Mississippi Railr
PLYX — US Plywood
TRRY — Trillium Railway Co. Ltd.
CIND — Central RR of Indiana
SFEX — New Brunswick East Coast Railway
LTS — London, Tilbury and Southend Rail
HVI — High Voltage Impulse
DCP — Designated Competent Person
TRRY — Trillium railway
DMMU — Diesel Mechanical Multiple Unit
ILW — Illinois Western Railroad
SOM — Somerset Railroad Corporation
BRPX — Blue Ridge Paper
FGE — First Great Eastern
ONCT — Ontario Central Railroad Corporation
DRSX — DOT Rail Services
CRTA — Cleveland Rapid Transit
FEPASA — Ferrovias Paulistas SA
SINMON — Special Inspection Notice MONitor
QNSL — Quebec, North Shore and Labrador
DCI — Des Moines & Central Iowa RR

AUAR — Austin Area Terminal Railway
RRW — Rockton Rion & Western
CMR — Indiana Rail Road Company
PHIS — Performance Historical Information System
YB — Youngstown Belt Railroad Company
TEXC — Texas Central Railroad Company
LASB — Lackawaxen and Stourbridge Railroad
GKLX — Gold Kist, Inc.
ORR — Office of the Rail Regulator
SSO — Special Stop Order
BRENDA — BRidge ENgineer Data, computer system
IMPS — Investment Monitoring and Planning System
UAA — University of Akron Archives
SIN — Site Instruction Notice
F/H — FreeHold
SCM — Senior Contracts Manager
DG — Dangerous Goods
RCPE — Rapid City Pierre & Eastern Railroad
TIRE — Ticketing Incentive REgime
IGMX — Integrated Grain & Milling
HOG — Heart of Georgia Railroad
LVRC — Lamoille Valley Railroad
LTA — London Transport Authority
GTD — Group Tax Department
PIZ — Pfizer
ETH — Electric Train Heating
EMU — Electric Multiple Unit
AREA — American Rail Engineers and Maintenance Association
SV — Shenandoah Valley Railroad
C/E — Country End
RMRX — Great Canadian Railtours Co Ltd
ENR — E and N Railway Company Limited
SOWC — Shows Occupied when Clear
TRE — Track Recording Engineer
GWWE — Gateway Eastern Railway Company
HSM — Hand Signal Man
ROTP — Rules of the Plan
WTCX — Weyerhauser
DDN — Dispatcher's Daily Notes
WT — Wrightsville & Tennille
LMS — London, Midland & Scottish railway
TRT — Tshiuetin Rail Transportation
TBS — Transmission Based Signalling
MCB — Manually Controlled Barrier
RI — Relay Interlocking
SPCX — Qwest Communications Corporation
SWKR — San Pedro and Southwestern Railway Compa
ORHC — Orrville Railway Historical Society
TRUST — Train RUnning Systems on TOPS
AMTL — Agence métropolitaine de transport

AHQ — British Transport Police Area Headquarters
MOS — Mobile Operations Supervisor
ROA — Right On Arrival
IRRS — International Rail Road Systems, Inc.
PIE — Performance Improvement Executive
WSF — Wrong Side Failure
TCA — Track Circuit Actuator
NYPSC — New York State Public Services Commission
VSTP — Very Short Term Plan
MEF — Modern Equivalent Form
ATA — Automatic Track Alignment
PWMA — Permanent Way Maintenance Assistant
WB&E — Wilkes-Barre and Eastern railroad
TPWSSA — Train Protection Warning System Sponsor's Agent
RSAG — Railway Safety Advisory Group
UWC — User Worked Crossing
MON — Monon Route
KTS — Kenosha Trolley
WTLC — West Texas & Lubbock Railroad Co Inc.
LXVR — Luxapalia Valley
PE — Peoria & Eastern
OLO — Ontario LOrignal Railway Incorporated
ERES — Erie Western
VCRR — Ventura County Railroad Company
CLIF — Cliffside Railroad
WAMX — Webb Asset Management
VWL — Vancouver Wharves Limited
TSC — Track Section Cabin
ROM — Regional Operating Manager
ISAR — Information Systems Activity Request
RIAC — Railway Industry Advisory Committee
DCON — Detroit Connecting Railroad Company
NWP — Northwestern Pacific Railroad Company
IANW — Iowa Northwestern Railroad
RAI — Right Away Indicator
GPR — General Purpose Relief
CRC — Class Representative Committee
RDG — Reading Railroad
SFO — Station Facility Owner
TT — Timetable, Public
FLT — Freight Liner Terminal
BMH — Beaufort and Morehead Railroad Co
FPE — Fairport, Painesville & Eastern R.R. Co
DB — Deutsche Bundesbahn, German State Railways
CI — Cambria and Indiana Railroad Company
NLR — North London Railways
GEXR — Goderich & Exeter
GS — Gloster Southern
IHIR — Indian Hill & Iron Range
KCCS — Kansas City Clinton & Springfield

ACTC — Atlantic City Transit Company
PSRG — Project Strategy Review Group
STN — Special Traffic Notice
BCA — Business Critical Application
COWD — Cost Of Work to Date
TCRY — Tri-City Railroad Company
ORR — Office of the Railway Regulator
LRPC — London Regional Passengers Committee
PSO — Public Service Obligation
FDEC — Ferrocariles de Cuba
SSSH — Surrey Sussex & Southhampton
NPT — Portland Terminal R.R. Company
ALKX — Airlake Terminal Railway Co.
PIRY — Pioneer Industrial Railway
CD — Close Doors platform indicator
OPUG — Other Passenger Upgrades
CATX — General American Marks Company
ECC — English China Clays
CHIP — Chemicals Hazard Information and Packaging regulations
BDTL — Ballard Terminal Railroad Company
NLL — North London Line
NYE — New York and Erie railroad
DTL — Down Tilbury Loop
TTP — Time Table Processor
PPTC — Powered Plant Training - Chainsaw
OTMR — On Train Monitoring Recorder
VCB — Vacuum Circuit Breaker
DMSS — Development Manager, Signalling Strategy
ACWR — Aberdeen, Carolina & Western Rwy
NCPR — North Carolina Ports Railway
TCM — Time Cycle Maintenance
FSR — Fort Smith Railroad Company
LEF — Lake Erie Franklin and Clarion Railroad Company
FRVT — Fore River Transportation Corporation
NYOW — New York, Ontario & Western
NICD — Northern-Indiana Commuter Transportation
PHD — Port Huron and Detroit Railroad Company
MGR — Merry–Go–Round
FC — Fulton County Railroad Incorporated
TRB — Train Recording Book
WE — Wheeling and Lake Erie
RRNW — Regional Railways North West
WIMX — Wimpey Minerals USA, Inc.
GF — Ground Frame
EROS — Emergency Restriction Of Speed
SSG — Safety Strategy Group
WWR — Washington Western
SINAC — Special Inspection Notice Action Complete
TWS — Tax Work Sheets
CSP — Camas Prairie RailNet Incorporated

WHRC — Windsor and Hantsport Railway Company
TD — Train Describer
DOO — Driver Only Operation
RMRR — Rocky Mountain Railcar and Railroad Incorporated
TQSUM — Track Quality SUMmary
OSRR — Ohio Southern Railroad Incorporated
MISS — Mississippian Railway Cooperative Incorporated
FNM — Ferrocarriles Nacionales de Mexico
IHRC — Indiana Hi Rail Corporation
DAPF — Document Amendment Proposal Form
ESHR — Eastern Shore Railroad
ACE — Area Civil Engineer
NCRY — Northern Central Railway
TRC — Infrastructure track Renewal Company
LSTT — Lake Superior Terminal Transfer
CADRS — CAD Railways Services
BRS — Business Route Section
NAT — Not Applicable Timetable
CCRX — Cape Cod Railroad
BSPG — Business Systems Policy Groupy
RSNR — Red Springs & Northern
HOFE — Head Of Engineering
CM — Contracts Manager
ACEX — Altamont Commuter Express
RIG — Railway Industry Group
FORI — Fibre Optic Route Indicator
HA — Hanson Aggregates
NYABC — New York Air Brake Company
TXU — TXU Electric
SLOA — Steam Locomotive Operators Association
CACV — Cooperstown and Charlotte Valley Railroad
PLRA — Private Locomotive Registration Agreement
MBTA — Massachusetts Bay Transit Authority
PW — Parallel Wing
AN — Apalachicola Northern Railroad
FIRM — Fares Increases Regulation Mechanism
YKR — York Railway
RFP — Richmond Fredericksburg and Potomac
FEVR — Fremont & Elkhorn Valley Railroad
NBA — National radio network
SDS — Signalman's Display System
SIPS — Supplier Performance Monitoring System
SIXX — 636 Leasing
INOH — Indiana and Ohio Railroad Incorporated
TSH — Tshiuetin Rail Transportation Inc
AGLF — Knoxville and Holston River Railroad
PETS — Public Emergency Telephone System
ZIP — Zone Investment Panel
MRT — Minimum Rail Temperature
CPPP — Confirmed Period Possession Plan

NRA — National Rivers Authority
RCE — Regional Civil Engineer
UGL — Up Goods Loop
WARP — West Coast Advanced Recovery Reliability Programme
EJE — Elgin Joliet and Eastern
NDN — National Data Communications Network
MJRX — Railway Service Contractors Inc
NCSL — Nashville Chattanooga & St Louis
NTP — North Trans–Pennine route
OLEAR — Overhead Line Equipment Asset Register
NFTA — Niagara Frontier Transit Authority
HL — Home Location
CNW — Chicago and Northwestern
TOC — Toledo & Ohio Central
IDT — Implementation, Development and Training
CSC — Contractor's Safety Case
PSR — Permanent Speed Restriction
MVT — Mt Vernon Terminal
RICA — Regional Independent Commercial Auditor
PSCX — Public Service Of Colorado
EFVM — Estrada de Ferro Vitoria-Minas
MSL — Level crossing with Miniature Stop Lights
CVR — Cimarron Valley Railroad L.C.
MRCE — MRCE Dispolok GmbH
NTR — Mississippi Central Railroad Company
CBCT — Communications Based Train Control
MGRI — MG Rail Incorporated
CH — CHiltern Railway Company
WMP — Waste Management Plan
SJT — St Joseph Terminal
LNE — Lehigh and New England Railroad, Conrail
BA — Baltimore & Annapolis
SW&W — South Wales and West
JPBX — Peninsula Corridor Joint Powers Board
BSN — Bridge Strike Nominee
EMS — Environmental Management Statement
MTNR — Mississippi Tennessee Railroad LLC
HRLX — Housatonic Logistics Company LLC
MTR — Montour RR
DIS — Flexible DIsplay System
RHYX — Macquarie Rail Inc
SME — Signalling Maintenance Engineer
OLYR — Olympic Railroad Company
IANR — Iowa Northern Ry
CM — Central Montana Rail Incorporated
CHALET — Casualties, Hazards, Access, Location, Emergency services and Time
VLR — Visitors Location Register
LSMS — Lake Shore Michigan Southern Railroad
RTMZ — RailTrack Midlands ZoneRailCons
CTRU — Central Track Renewals Unit

FTR — Florida Tri-Rail
HBL — Harbor Belt Line
SDR — Simplified Direct Reporting
DAC — Depot Access Conditions
WBE — Wilkes-Barre and Eastern railroad
WYT — Wyandotte Terminal Railroad Company
TCOD — Track Circuit Operating Device
XC — Cross-Country
LPS — Local Policy Statement
ICE — Institute of Civil Engineers
SRP — Station Regeneration Programme
IFC — Infrastructure Fault Control
BCS — Better Chemical Solutions
PAF — Project Authority Form
NRM — Nominated Responsible Manager
NHRR — New Hope and Ivyland Rail Road
RRRR — Raritan River railroad
WGR — Willamette Valley Railway Company
TMERL — The Milwaukee Electric Railway
WTRM — Warren and Trumbull Railroad Company
RRIP — Route Relay Interlocking Processor
SAS — South African Railways
TXOR — Texas and Oklahoma Railroad Company
WAER — Wabash Erie
STP — Short Term Planning
ALT — AIRLAKE TERMINAL RAILWAY COMPANY
CHH — Cheswick and Harmar
SVI — Southern Railway of Vancouver Island
GLCD — Great Lakes Coal & Docks
NEOUCOM — Northeastern Ohio University Colleges of Medicine
IS — Intermediate Signalling
SMFD — Systems Management Framework Design
CTA — Chicago Transit Authority
LRR — Little River Railroad
RAP — Remedial Action Project
ICC — Infrastructure Control Centre
STE — Stockton Terminal and Eastern RR
CHW — Chesapeake Western Railway
KCSM — Kansas City Southern de Mexico
NRNA — National Radio Network Appreciation
SCI — Standard Contract Interpretation
NY&GL — New York and Greenwood Lake railway
MCB — Miniature Circuit Breaker
WVR — Willamette Valley Railway
D&C — Design and Construction
RLK — RailAmerica Ottawa Valley Railway
SBB — Swiss Railways
ATN — Alabama & Tennessee River Railway Llc
TXR — Texas Rock Crusher Railway Company
ELKR — Elk River Railroad Incorporated

DT1 — Detroit Terminal
PCTE — Profit Centre Telecommunications Engineer
EPA — Engineering Publications Assistant
DTS — Dynamic Track Stabiliser
GEGX — GE Gas Turbine
WNYP — Western New York and Pennsylvania
ICC — International Convention Centre
IRJ — Insulated Rail Joint
GSP — Ground Switch Panel
TORR — Train Operated Route Release
REG — Railtrack Executive Group
SFS — Santa Fe Southern Railway
AVB — Automatic Vacuum Brake
BPM — Business Process Manual
CCC — Cowlitz, Chehalis, and Cascade Railway
MWRR — Montana Western Railway Company Incorporated
CCH — Cape Cod & Hyannis
GITM — Golden Isle Terminal RR
O/B — Over Bridge
IRN — Ironton RR
DTRR — Detroit Terminal Railroad
VLI — Valor da Logistica Integrada
BER — Big Eagle Rail
NJII — New Jersey, Indiana and Illinois Railroad
COPA — Control of Pollution Act 1974
CYDX — Conrad Yelvington Distributors, Inc.
WPSC — Wheeling Pittsburg Steel
WPSX — Wisconsin Public Service Corporation
GNBC — Grainbelt Corporation
TWO — Transport & Works Order
NMCSA — Network Management Centres Sponsor's Agent
DFO — Depot Facility Owner
SP — Single-Phase
PPM — Panel Processor Module
EA — East Anglian
CSR — Camden & Southern Railroad Inc
APLAN — track Access PLANning system
NATM — New Austrian Tunnelling Method
LER — Logansport and Eel River Short-Line Company Incorporated
TLC — Telephone protection only Level Crossing
ONER — Ontario Northeastern RR
NOP — New Orleans Public Service
CGR — CG Railway, Inc
CISD — Golden Isles Terminal Railroad
SLSF — Saint Louis-San Francisco
PER — Portable Equipment Room
RM — Route Modernisation
MSO — Michigan Southern Railway
CWR — Continuously Welded Rail
WON — Weekly Operating Notice

TRRA — Terminal RR of St Louis
BMS — Basic Mechanical Signalling
NPTR — Northwood Pulp and Timber, Ltd.
ICM — Internal Communications Manager
MSN — Meeker Southern Railroad
SVP — Safety Verification Plan
PAT — Performance Action Tracking
KO — Kansas & Oklahoma
BRAN — Brandon Rail
CWRY — Commonwealth Railway Inc.
OHPA — Ohio and Pennsylvania Railroad Company
ARA — Arcade and Attica Railroad Corporation
WA — Washington & Atlanta Railroad
HRS — Holidaysburg and Roaring Spring Railroad Company
TSRD — Twin State Railroad Company
DT — Decatur Junction Railway Company
BAYL — Bay Line, LLC
YN — Youngstown and Northern
SH — Steelton and Highspire Railroad Company
BAP — Butte Anaconda & Pacific
WA — West Anglia Lines
CWWR — Chehalis Western Railroad
CHTT — Chicago Heights Terminal Transfer Railroad
ALS — Alton and Southern Railway
SCR — Sydney Coal Railway
CBC — Carbon County Railway
IAMS — Integrated Asset Management System
ATSF — Atchison, Topeka & Santa Fe
CARR — Carrollton Railroad
CSC — Connex South Central
PTRA — Port of Houston Terminal RR Association
HVRR — Hocking Valley
RNA — Railway Notification of Accidents Regulations
CAPE — Train Cancelled
GOL — Government Office for London
PBNE — Philadelphia Bethlehem and New England R
MNC — Missouri North Central RR
CNYK — Central New York Locomotive Company
BITY — Penn Eastern Rail Lines Incorporated
MPM — Multi Processor Module
SCU — Signalling Compatibility Unit
NYS&W — New York, Susquehanna and Western railroad
USS — U.S. Steel
CB&Q — Chicago, Burlington and Quincy railroad
NRN — National Radio Network
S&C — Settle and Carlisle
BAWX — Babcox & Wilcox
NREX — National Railway Equipment
BTC — Birmingham Terminal
WCML RM — West Coast Main Line Route Modernisation

SPSR — San Pedro & Southwestern Railway Co
FP — Fordyce & Princeton Railroad Company
DIRFT — Daventry International RailFreight Terminal
CHRR — Chesapeake Railroad Company
ASDA — Asbestos & Danville
LNE(Z) — London North Eastern (Zone)
PWCT — Philadelphia & West Chester Traction
RTLS — Road Traffic Lights
DOP — Driver Only Passenger
SMRS — Springfield (MO) Railway Services
HSW — Helena Southwestern Railroad
LB — Loose Bound
TOL — Train On Line
STRT — Stewartstown Railroad Company
PADS — Parts And Drawing System
PRIDE — Possession Resource Information DatabasE
NSRC — North Stratford RR
DCFB — Dodge City Ford and Bucklin Railroad Com
MTDX — Midwest Transportation & Development Cor
RD — GEC time division multiplex, type RD
BPR — Business Policy Review
NTRY — Nimishillen and Tuscarawas Railway Company
UO — Union Railway of Oregon
CFE — Chicago, Fort Wayne and Eastern
ROR — Rules of the Route
OPO — One Person Operation
BDRV — Belvidere & Delaware Railroad
WRHX — Creative Charters Inc
WILD — Wheel Impact Load Detector
MHMR — Mount Hope Mineral railroad
NSM — North Shore Mining
LBR — Lowville and Beaver River Railroad Company
PSR — Public Service Requirement
TPC — Train Performance Calculator
SA — Savannah & Atlanta
MIDS — Midlands
MICC — Management Information Communications Centre
MKC — McKeesport Connecting Railroad Company
SCOT — Scotland
MML — Minimum Monetary Limit
HB — Hampton and Branchville Railroad
SA — Signalling Assistant
JCN — Job Cost NumberN
NSS — Newburgh and South Shore Ry. Co.
GFR — Grand Forks Railway Company
FLAWS — a computer database of rail flaws
DCLR — Delaware Coast Line RR Co
RJCR — RJ Corman
SB — Signal Box
MIDH — Middletown and Hummelstown RR Company

TVM — Transmission Voice Machine, French ATP system
MRIX — Missouri North Centra RR
PCS&TE — Profit Centre Signal and Telecommunications Engineer
WARM — West Anglia Route Modernisation
VXC — Virgin CrossCountry
CTC — Centralized Track Control
PIPS — Packaging and Investment Planning System
GRWR — Great Walton Railroad
PSPP — Particular Specification for Possession Planning
LEM — Local Estimating Manager
FFG — Freight Facilities Grant
CWI — Chicago and Western Indiana Railroad
FN — Fault Number
MVRY — Mahoning Valley Ry
BACS — Bank Automated System
WTRY — Wilmington Terminal Railroad Incorporated
WS — Ware Shoals RR
UB — UnderBridge
RIZ — Rock Island
AEWZ — Erie Western
NMC — Network Management Centre
TINX — Trinity Railcar
SSW — St. Louis Southwestern
DART — Digital Advanced Radio for Trains
CPD — Cleveland Plain Dealer
FS — Feeder Station
CAPS — Colchester Area Power Supplies
ETRM — Engineering Train Routing Map
LGV — Ligne A Grande Vitesse
DFT — DART Fixed Terminal
LITM — Local IT Manager
NSC — National Supply Contract
DTS — Detroit & Toledo ShoreLine
HEX — Heathrow EXpress
TAG — Tennessee, Alabama & Georgia
NOGC — New Orleans & Gulf Coast
LRWY — Lehigh Railway
JS1 — basic signalling cable jointing and testing
YA — Youngstown & Austintown RR
TL2000 — ThamesLink 2000
ALY — Allegheny and Eastern Railroad Incorpora
RTG — RailTrack Group PLCRailCons
AFD — Automatic Fire Detection
FUS — Ferrocarriles Nacionales de Mexico
NYPANO — New York, Pennsylvania and Ohio railroad
ASAB — Bay Line Railroad L.L.C
RES — Rail Express SystemsRailCons
SCBX — Standridge Color
NOW — Northern Ohio & Western
SIP — Strike–In Point

DKS — Union Pacific Railroad Company
DSRR — Delta Southern RR
VMVX — VMV Enterprises, Inc
PIR — Pittsburgh Industrial Railroad Incorpora
PESRCY — PassEnger Service Requirement Compliance Yardstick
W/M — Watt per Metre
ETCX — Eastman Tennessee Corporation
IIC — International Intermodal Center
PNCX — Precision National
LLX — Luria Brothers
TESCO — Technical Support Company
TAG — Track Access Grant
ATM — Amended Timetable Manager
SMN — Smoky Mountain Ry. Co
FNB — Ferronorte Brasil
DGPS — Differential Global Positioning by Satellite
NSTR — No Signaller Token Remote
TMO — Train crew Manually Operated
PAM — Pittsburgh Allegheny and McKees Rocks Railroad Company
MSRW — Mississippian Railway Cooperative Incorporated
RISSC — Railway Industry Safety Strategy Comittee
TFM — Trackside Functional Module
PACS — Public Affairs Correspondence System
RAR — Railtrack Asset Register
TESCO — TEchnical Service COmpany
FIR — Flats Industrial Railroad Company
CCYR — Colleton County Railroad
SEE — Systems Engineering Environment
RBLX — Brent C Lewis
RS — Roberval and Saguenay Railway Company
SPSX — Progress Rail Services Corp
PTRD — Portland Traction Co., Portland R.R. and Terminal Division
BCH — Southern Railway of British Columbia Limited
SSISIM — Solid State Interlocking SIMulator
BC — BARRE & CHELSEA RAILROAD
AWG — Adhesion Working Group
LRP — Local Reporting Pack
TRS — Train Reporting System
HBRY — Hudson Bay Railway Company
SMART — Specific, Measurable, Achievable, Realistic, Timebased
PWSS — Permanent Way Section Supervisor
DLM — Data Link Module
GOT — GO Transit
OETR — Outline Engineering Train Requirements
IZ — Inter Zonal
EFRR — Effingham Railroad
OHIC — Ohi-Rail Corporation
UPL — Up Passenger Loop
PCA — Penn Central
T&V — Tresspass & Vandalism

NCYR — Nash County Railroad Corporation
MKIX — Morrison-Knudsen
TEU — Twenty Foot or Equivalent Unit
GMRC — Green Mountain RR
TSSA — Transport Salaried Staffs' Association
CLNA — Carolina Coastal Railway Incorporated
PBRR — Pine Belt Southern Railroad Company
EROS — Efficiency by means of the Rationalisation Of Signal
PPTD — Powered Plant Training Disc Cutter And Class 9 Cutting Of Wheels
AIM — Asset Information Manager
HOPP — Head Of Property Projects
SMOS — Structure Mounted Outdoor Switchgear
TCB — Track Circuit Block
ETB — Electronic Token Block
EA — Electronics Appreciation
WSL — Westinghouse Signals Ltd
OIMX — Oliver Iron Mining
CE — Chicago and Erie railroad
RICP — Rail Incident Control Post
PVRX — Pook Valley Railroad
CBNS — Cape Breton & Central Nova Scotia Ry
TK — Tuskegee R.R
MRSL — MRS Logistica
SEKR — Southeast Kansas Railroad Company
MRI — Motive Rail Industries
STABS — Signalling and Telecommunications Area Budget System
ERTMS — European Railways Traffic Management System
RLHS — Railway Locomotive and Historical Society
TPC — Trackside Processing Centre
RLCX — RELCO
PLOD — Patrolman's Lookout Devicerailcons
LM — Litchfield and Madison
ROS — Restriction of Speed
MRR — Mid-Atlantic Railroad
UWSF — Unprotected Wrong Side Failure
MMAX — Martin-Marietta Aggregates
GPL — Ground Position Light
OLC — Occupation Level Crossing
LE — Light Engine
TOHD — Tops Operations Help Desk
EFPL — Economical Facing Point Lock
SA — Sponsor's Agent
PRIMA — Professional Rail Industry Management Association
NJRC — New Jersey Rail Carrier, LLC.
CHAPS — Clearing House Accounts Payable System
LMIC — Lake Michigan and Indiana Railroad
BOTW — Botwood Railway
LDRR — Louisiana and Delta Railroad Incorporated
MTW — Marinette Tomahawk & Western
LNAC — Chattahoochee Bay Railroad, LLC

BRB — British Railways Board
RLEX — Republic Locomotive
TRIN — Trinidad Railway Incorporated
OS — Ontario Southland Railway Inc.
REX — Railway Express Agency, Inc.
AEC — Atlantic and East Carolina Railway Compa
GO — Gulf & Ohio
WWRC — Wilmington and Western Railroad
LA — Lousiana and Arkansas
CAPP — Confirmed Annual Possession Plan
WVN — West Virginia Northern Railroad
HOS — Hoosier Southern Railroad
UWTF — Unprotected Wrongside Telecommunications Failure
SSG — Systems Strategy Group
CCSC — Contractor Core Safety Case
ENS — European Night Services
DM — Detroit & Mackinac
VS — Valuation Section
MWL — Level crossing with Miniature red/green Warning Lights
SSX — Southern States Phosphate and Fertilizer Co.
MWR — Muncie & Western
FWL — Fort Wayne - Lima
PWV — Pittsburgh & West Virginia
R/T — RailTrack
LNW — Louisiana & Northwestern
JCN — JunCtioN
DGNO — Dallas Garland & Northeastern
MAW — Maumee and Western Railroad Corporation
LCR — London and Continental Railways
IN1 — Illinois Northern
CZRY — Carrizo Gorge Railway Inc.
LTP — Local Transport Plans
PCSE(W) — Profit Centre Signal Engineer (Works)
AEEU — Amalgamated Electrical Engineering Union
SPA — Special Protected Area
RE&TA — Real Estate and Tax Agent
NIAJ — Niagara Junction Railway
PTM — Permanent Timetable Manager
LS — Line Standard
RSCI — Real Staff Cost Increase
WARC — West Anglia Route Controller
SPS — Spokane, Portland, and Seattle
EEB — Eastern Electricity BoardRailCons
MAS — Management Aspects of Supervision
SICA — Signalling Infrastructure Condition Assessment
IMG — Infrastructure Materials Group
QCM — Quebec Cartier Railroad
NJTR — NJ Transit Rail Operations
LD — Light Diesel locomotive
GN — Great Northern Line

UM — Up Main
ICRK — Indian Creek Railroad Company
H/S — Hand Signaller
TRCX — Florida Tri-Rail
CIM — rules for international carriage of goods
NNW — Nebraska Northwestern Railroad
RM — railroad mark
MPU — Motive Power Unit
PTT — Public Timetable
WM — Western Maryland Railroad
MC — Mass Coastal
TADS — Telecommunications Asset Database System
KWUX — Siemens Power Corporation
PLE — Pittsburgh & Lake Erie
CKSI — Carthage Knightstown and Shirley Railroad
AO — Appalachian and Ohio
ICM — Infrastructure Contracts Manager
CRG — Contracts Review Group
MGR — Merry Go Round
MNL — Mountain Laurel Railroad
WW — Wales and West Passenger Trains
SUAB — Southern Alabama RR
GASC — Georgia, Ashburn, Sylvester & Camilla Ry
NSKT — No Signaller Key Token
LX — level crossing
TRWX — Trinity Railway Express
KFR — Kettle Falls International Rwy
DWL — Dynamic Warning Lights
RA — Radio Agency
WTCO — Western Transportation Company
LCRC — Lenawee County Railroad
SSP — Signalling Supply Point
TRN — Train Reporting Number
FC — Fair Condition
MB — Meridian & Bigbee
DUT — Denver Union Terminal Railway Company
FFTX — Florida Fun Train
TCG — Tucson Cornelia and Gila Bend Railroad Company
AFT — AMERICAN FREEDOM TRAIN FOUNDATION
UPL — Up Platform Line
ASPER — ASset PERformance database
IDC — Inter Disciplinary Check
HMWX — Heckett MultiServ
MNE — Manistee & North East
KRMX — KAWASAKI RAIL CAR, INC
ASB — Adjacent SignalBox
TENN — Tennessee Railway Company
RCM(1) — Reliability Centred Maintenance
CNJ — Central Rail Road of New Jersey
DTP — Department of TransportRailCons

MGLX — Mobil Grain Ltd.
CRLX — Conrail Leasing Co
SBGX — SCOULAR - BISHOP GRAIN CO.
IRRS — International Rail Road Systems Incorporated
CTR2 — Channel Tunnel Route 2
PP — Period available for Possessions
PTM — Portland Terminal Company
ARA — American Railway Association
CIMU — Central Infrastructure Maintenance Unit
NJPUC — New Jersey Public Utilities Commission
AMP — Asset Maintenance Programme
URL — Up Relief Line
RA — Route Availability
PLUG — Pride Local User Group
ACME — Acme Steel
CIPS — Central Illinois Public Servicee
NTR — National Track Renewals
SIPS — Standard Infrastructure Performance System
NEM — National Estimating Manager
ALRMS — Access Level crossing Risk Management System
LAL — Livonia Avon & Lakeville
NIR — Northern Ireland Railways
TF — Tallulah Falls Ry. Co
CNSM — CHICAGO NORTH SHORE & MILWAUKEE RWY
L/S — London Side
TFM — Kansas City Southern De Mexico
SDIY — San Diego and Imperial Valley Railroad Company
VRR — Vaughan Railroad Company
NHB — National Harbours Board
MOW — Maintenance-Of-Way
ITI — Unknown
AHB — Automatic Half Barriers
RR — Regional Railways
BIRR — Bellingham International Railroad LLC
MTL — Mersey Travel Ltd.
IBJ — Insulated Block Joint
LDT — Long Distance Termination
MGL — Multiple Groove Locking
SSTD — Solid State Train Describer
ATAX — Arizona Transit Assembly
IDS — Infrastructure Data Server
EPS — European Passenger Services
ACM — Area Contracts Manager
CWEX — Midwest Generation, LLC
RCI — Railtrack Controlled Infrastructure
UTU — Ultrasonic Test Unit
ATGX — ATEL Leasing Corporation
LN — Leeds Northern
ZD — Zone Director
TC — Track Circuit

SRMX — Southeastern Railway
NHIR — New Hope & Ivyland
TGM — Transport Gateway Metro