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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
CWT — Carlson Wagonlit Travel
YTD — Year To Date
VDU — Visual Display Unit
ASAP — As Soon As Possible (pronounced AY-sap)
ROM — Read-Only Memory
WWW — World Wide Web
IT — Information Technology
RFQ — Request For Quotation
PWAY — Permanent Way
ANSI — American National Standards Institute, Inc.
HAZID — Hazard Identification
LCD — Liquid Crystal Display
EDI — Electronic Data Interchange
PROJEX — Project Expenditure
ERDF — European Regional Development Fund
COSHH — Control Of Substances Hazardous To Health (UK)
GDP — Gross Domestic Product
AC — Alternating Current
RPI — Retail Price Index
CN — Canadian National Railway
PDH — Plesiochronous Digital Hierarchy
CV — Curriculum Vitae
GSM — Global System for Mobile Communications
KPI — Key Performance Indicator
IRR — Internal Rate of Return
PPE — Personal Protective Equipment
WACC — Weighted Average Cost Of Capital (accounting)
FAT — Factory Acceptance Test
ATP — Automatic Train Protection
CAPEX — Capital Expenditure
GBV — Gross Book Value
GIS — Geographic Information System
UP — Union Pacific Railroad Company
PCB — Polychlorinated Biphenyls
GPRS — General Packet Radio Service
WAN — Wide Area Network
RF — Radio Frequency
AP — Accounts Payable
GL — General Ledger
SPOC — Single Point Of Contact
VO — Variation Order
VAT — Value Added Tax
BAA — British Airports Authority
CBI — Confederation of British Industry
CAR — Corrective Action Request
WBS — Work Breakdown Structure
PCB — printed circuit board

CR — Change Request
FMECA — Failure mode effect and criticality analysis
SD — Standard Deviation
SLA — Service Level Agreement
FX — Foreign Exchange
RAILTEL — RAILway TELephone project
AM — Amplitude Modulation
Y-P — Young Person
RAB — Regulatory Asset Base
LA — Local Authority
NI — National Insurance
IEE — Institution of Electrical Engineers
MTBF — Mean Time Before Failure
PICOW — Person in Charge of Works
AF — Audio Frequency
GUI — Graphical User Interface (goo-ey)
PMBX — Private Manual Branch Exchange
PO — Purchase Order
IDF — Intermediate Distribution Frame
HV — High Voltage
PIC — Person In Charge
E&OD — Engineering and Operations Development
B. OF D. — Board of Directors
HW — Hardware
CB — Circuit Breaker
PVC — Polyvinyl Chloride
SPV — Special Purpose Vehicle (sometimes Single Purpose Vehicle)
AWRR — Austin Western Railroad
EU — European Union (1994; formerly referred to as the EEC or EC)
TBA — To Be Advised
MMA — Montreal, Maine & Atlantic Railway
EVA — Ethylene Vinyl Acetate
DC — Direct Current
ABS — Alabama Southern Railroad
W — Watt
GRN — Goods Received Note
AVI — Automatic Vehicle Identification
T&RS — Traction & Rolling Stock
AE — Account Executive
RAM — random-access memory
ZEPE — Zone Electrical and Plant Engineer
SIL — Safety Integrity Level
NPV — Net Present Value {economics}
BDM — Business Development Manager
MSE — Mississippi Export Railroad Company
ALARP — As Low as Reasonably Practicable
PWME — Permanent Way Maintenance Engineer
IGBT — Insulated Gate Bipolar Transistor
P&L — Profit and Loss statement
SPAX — Southeastern Pennsylvania Transportation Authority (SEPTA)

JD — Job Description
P.WAY — Permanent Way
LV — Low Voltage
SMS — Safety Management Systems
BRC — Belt Railway of Chicago
W&LE — Wheeling & Lake Erie Railway
ELCB — Earth Leakage Circuit Breaker
PAX — Private Automatic Exchange
S.L/H — Short LeaseHold
OSI — Open Systems Interconnection (iso Standard)
NEC — National Electrical Code
PHA — Preliminary Hazard Analysis
PDP — Personal Development Plan
RC — Reinforced Concrete
OS — Ordnance Survey
AL — Almanor Railroad Company
BSOR — Buffalo Southern Railroad
WATX — Watco
SAT — Site Acceptance Test
C&WI — Chicago and Western Indiana railroad
MIS — Management Information System (OSHA)
TCP/IP — transmission control protocol/internet protocol
EMP — Environmental Management Plan
AGR — Alabama and Gulf Coast Railway
BST — British Summer Time
CAD — Computer Aided Designer
CIMA — Chartered Institute of Management Accountants
FAQ — Frequently Asked Questions (sometimes Pronounced Fak)
ELOX — Elcon Inc.
P&LE — Pittsburgh and Lake Erie Railroad
L&PS — London and Port Stanley Railway
VM — Value Management
ISDN — Integrated Services Digital Network
RT — Radiographic Testing
CAPM — Capital Asset Pricing Model
OCB — Oil Circuit Breaker
XLPE — Crosslinked Polyethylene
DPC — Damp Proof Course
IEC — International Electrotechnical Commission
D&DR — Design & Development Report
WYSIWYG — What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms)
D&IA — Design and Implementation Authority
E,L&N — Early, Late and Night
SQL — Structured Query Language
S&SM — Safety and Standards Manager
R&PA — Route and Programme Analyst
FE — Finite Element
HL — High Level
HSC — Health and Safety Commission
PAYE — Pay-As-You-Earn

ZCRG — Zonal Commercial Review Group
LSI — Lake Superior and Ishpeming Railroad
CATS — Charlotte Area Transit System
PC — Personal computer (host)
NIC — National Insurance Contributions
CITB — Construction Industry Training Board
D&DA — Design and Development Authority
RHS — Rectangular Hollow Section
DOS — Disk Operating System
MTTR — Mean Time To Repair
LEU — Lineside Electronic Unit
PGR — Progressive Rail
L&HR — Lehigh and Hudson River railway
AA — Ann Arbor Railroad
LED — law enforcement desk; light emitting diode
COA — Chart Of Accounts
ITU — International Telecommunication Union
DSE — Display Screen Equipment
N&VMP — Noise and Vibration Management Plan
O&M — Operation and Maintenance
MPV — Multi-Purpose Vehicle
CSM — Customer Service Manager
LRT — Light-Rail Transit
PFI — Private Finance Initiative
M&EE — Mechanical & Electrical Engineering
PA — Personal Assistant
PMCS — Project Management Control System
FC — Financial Controller
R(SCW) — Railway (Safety Critical Work) Regulations 1994
HZ — cycles per second (hertz)
DDA — Disability Discrimination Act
RBC — Radio Block Centre
AQL — Acceptable Quality Level
L&PSR — London and Port Stanley Railway
BN — Burlington Northern Railroad
CCTV — Closed Circuit Television
BDW — Bighorn Divide and Wyoming Railroad
GPF — General Protection Fault
PDT — Portable Data Terminal
WB — Westbound
DML — Data Manipulation Language
WI — Work Instruction
COTS — Commercial Off the Shelf Software
DCF — discounted cash flow rate
LD — Liquidated Damages
L&NE — Lehigh and New England railroad
CIMAH — Control of Industrial Major Accident Hazard
HR — HUMAN RESOURCES
RTU — Remote Terminal Unit
EMC — Electromagnetic Compatibility

VAMD — Virginia and Maryland
FOC — Freight Operating Company
SAE — Society of Automotive Engineers
HST — High Speed Train
SCADA — Supervisory Control And Data Aquisition
PRR — Pennsylvania Railroad
UT — Ultrasonic Testing
IMDG — International Maritime Dangerous Goods
RTA — Regional Transportation Authority
FRA — Federal Railroad Administration
ACOP — Approved Code Of Practice (UK)
TDM — Time Division Multiplexer
MM — Money Market
CPO — Compulsory Purchase Order
N&B — Northhampton and Bath railway
TB — Trial Balance
MDF — Main Distribution Frame
FDM — Frequency Division Multiplex
UB — Universal Beam
NAO — National Audit Office
PABX — private automatic branch exchange (telephone)
RC — Remote Control
MOD — Ministry Of Defence (United Kingdom) And Various Other Countries
AKMD — Arkansas Midland Railroad Company
O&SPA — Operational and Support hazard Analysis
DTI — Department of Trade and Industry (UK)
OTR — Oakland Terminal Railway
NEMA — National Electric Manufacturer's Association
IR — Illinois Railnet
OBRY — Orangeville-Brampton Railway
ECU — European Currency Unit
CAXX — CEMENTO CRUZ AZUL
HAYSI — Haysi Railroad
NEBOSH — National Examination Board in Occupational Safety and Health
PM — Project Manager
RIDDOR'95 — Reporting of Injuries, Disease and Dangerous Occurrences Regulations 1995
JC — Junction
LCP — Local Control Panel
FRS — Financial Reporting Standard
UFN — Until Further Notice
OGEE — Ogeechee Railway
KYLE — Kyle Railroad
BP — Business Plan
GBP — Great British Pound
AVP — Assistant Vice President
SDH — Synchronous Digital Hierarchy (ATM)
IC — Illinois Central Railroad
SW — Software (SFTWE Preferred)
AT — Auto Transformer
NYC — New York Central Railroad

BBOH — Bloomingburg Ohio
ITE — Institute of Transportation Engineers
LOP — Loss of Power
RMT — National Union of Rail, Maritime and Transport Workers
FURNO — Until FURther NOtice
OOO — Out Of Order
OLEMI — Overhead Line Equipment Master Index
EPI — Environmental Performance Indicator
IBH — Intermediate Block Home Signal
RISC — Reduced Instruction Set Computer
GMT — Greenwich Mean Time (Zulu)
NR — Network Rail
MBO — Management Buy-Out
AMP — Asset Management Plan
EC — Excellent Condition
EMCAR — Empty Carriages
SCHLID — SCHedule IDentity
ETH — Eidgenössische Technische Hochschule
CBL — Conemaugh and Black Lick Railroad
EC — European Community
RCD — Residual Current Device
VRE — Virginia Railway Express
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
AR — Accounts Receivable
ABL — Alameda Belt Line
PTE — Passenger Transport Executive
TDMA — Time Division Multiple Access
GN — Great Northern Railway
BRASS — British Railways Additional Superannuation Scheme
UPS — Uninterruptible Power Supply
AR — Aberdeen and Rockfish Railroad
M&E — Mechanical & Electrical
PMT — Project Management Team
ATO — Automatic Train Operation
TBE — To Be Evaluated
ARZC — Arizona and California Railroad
TMS — Traffic Management System
ADBF — Adrian and Blissfield Rail Road
GE — Great Eastern
GTO — Gate Turn-Off thyristor
PORTIS — Portable Ticket Issuing System
ROCE — Return On Capital Employed
UCMX — United Clays, Inc
AKDN — Acadiana Railway Company
APM — Assistant Project Manager
D&I — Design and Implementation
HATX — Helm Financial Corporation
P&M — Plant & Machinery
RIO — Rail Incident Officer
BP — British Petroleum

NFF — No Fault Found
HA — Highways Agency
SP — Southern Pacific Railroad
EXPOTEL — hotel accommodation and conference booking agency
SQVR — Sequatchie Valley Railroad
PACT — PAved Concrete Track
FTA — Federal Transit Administration
WSOR — WISCONSIN & SOUTHERN
AFC — Approved For Construction
EIA — Environmental impact assessment (international)
FTA — Freight Transport Association
BCLR — Bay Colony Railroad
HSE — Health & Safety Executive Officer
IC — Intercity
AGCR — Alamo Gulf Coast Railroad Company
ATPM — Automatic Train Protection Manual
MTBHE — Mean Time Between Hazardous Events
CFWR — Caney Fork and Western Railroad
FP — Footpath
MP — Milepost
DD — Direct Debit
ATC — Automatic Train Control
CGT — Capital Gains Tax
MSV — Mississippi and Skuna Valley Railroad Company
FAST — Federation Against Software Theft
WP — Western Pacific
DD&I — Design Development and Implementation
NDT — Nondestructive Test
NCR — Nonconformance Report
PDFH — Passenger Demand Forecasting Handbook
ARR — Alaska Railroad
SMBX — Southern MN Sugar Beet Coop
PALADIN — Performance And Loading Analysis Database INformation
ETA — Expected Time of Arrival
TOFC — trailer-on-flatcar
SIMBIDS — SIMplified BI–Directional Signalling
NKP — Nickel Plate Road
OAR — Old Augusta Railroad
RSR — Rochester and Southern Railroad
TO — Technical Officer
CF — Cape Fear Railways Incorporated
MP — Missouri Pacific Railroad
TRC — Trona Railway Company
ISRS — International Safety Rating System
NVQ — National Vocational Qualification
HAZCHEM — Hazardous Chemical
ISG — International Steel Group
OD — Outside Diameter
BB — Buckingham Branch Railroad
FSG — Financial Statement Generator

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
PBT — Profit Before Tax
SRA — Strategic Rail Authority
ONT — Ontario Northland Railway
PTW — Permit to Work (UK)
BRG — Brownsville and Rio Grande International Railroad
GP — Georgia-Pacific
DO — Driver Only
LPO — Local Process Owner
CTRL — Channel Tunnel Rail Link
APNC — Appanoose County Community Railroad
PW — Permanent Way
CHR — Chestnut Ridge Railway Company
PRV — Pearl River Valley Railroad Company
PSN — Packet Switched Network
BVRY — Brandywine Valley Railroad Company
CV — Central Vermont Railway
PNB — Personal Needs Break
SSC — Southern Switching Company
APA — Apache Railway Company
RJCM — R.J. Corman Railroad Company/ Memphis Line
RJCN — R.J. Corman Railroad Company/ Allentown Lines Incorporated
SLAL — South Plains Lamesa Railroad
SSI — Solid State Interlocking
ATW — Atlantic and Western Railway
SOCO — Scene Of Crime Officer
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
WRRC — Western Rail Road Company
EPS — Earnings per share
BRW — Black River and Western railroad
CRL — Chicago Rail Link
RJCL — R.J. Corman Railroad Company/ Cleveland line
OCTL — Oil Creek and Titusville Lines, Inc.
TBW — Temporary Block Working
BTP — British Transport Police
TOC — Train Operating Company
RJCW — R.J. Corman Railroad Company/ Western Ohio Line
LW — Louisville and Wadley Railway Company
MNN — Minnesota Northern Railroad Incorporated
TCS — Traffic Control System
EIB — European Investment Bank
PW — Providence and Worcester Railroad
PBVR — Port Bienville Railroad
BPRR — Buffalo and Pittsburgh Railroad Inc.
KKRR — Knox and Kane Railroad Company
HVAC — Heating, Ventilating, And Air Conditioning
ECO — Electrical Control Operator
CCKY — Chattooga and Chickamauga Railway Company
ASRY — Ashland Railway
RR — Railroad

CPD — Continuous Professional Development
SLUT — South Lake Union Trolley
CR — Conrail
PTA — Passenger Transport Authority
AIP — Approval in Principle
DART — Dallas Area Rapid Transit
ILWS — Inductive Loop Warning System
CFNR — California Northern Railroad
CIRR — Chattahoochee Industrial Railroad
NER — North Eastern Railway
SWT — South West Trains
NOPB — New Orleans Public Belt Railroad
HEP — Head-End Power
FM — frequency modulation
FTVM — FerroValle
NCIR — New Castle Industrial Railroad
SVRR — Shamokin Valley Railroad Company
PBR — Patapsco and Back Rivers Railroad
RRI — Route Relay Interlocking
MH — Mount Hood Railroad
ANR — Angelina and Neches River Railroad
ALAB — Alabama Railroad
PSTN — Public Switched Telecommunications Network
BJRY — Burlington Junction Railway
DMM — Dansville and Mount Morris Railroad Company
DSS — Department of Social Security
NERR — Nashville and Eastern Railroad
KJR — Kiski Junction Railroad
AZCR — Arizona Central Railroad
DETR — Department of the Environment, Transport and the Regions
CB — Central Battery
ETM — Electric Track Maintenance
CW — Colorado and Wyoming railway
MRL — Montana Rail Link
CCRR — Claremont Concord Railroad
SCRF — South Carolina Central Railroad
LSRC — Lake State Railway Company
RARW — Rarus Railway Company
REFOS — Running Edge to Face Of Structure
CAGY — Columbus and Greenville Railway Company
PCN — Point Comfort and Northern Railway
RRVW — Red River Valley and Western Railroad
IHB — Indiana Harbor Belt Railroad
SRN — Sabine River and Northern
UMP — Upper Merion and Plymouth Railroad
IMC2 — 2nd generation Infrastructure Maintenance Contract
CBGR — Council Bluffs Railway
WCOR — Wellsboro and Corning Railroad Company
EPROM — Electrically Programmable Read Only Memory
KJRY — Keokuk Junction Railway

CBRY — Copper Basin Railway
CMPA — Madison railroad
CC — Chicago Central and Pacific Railroad Company
USN — United States Navy
KCS — Kansas City Southern Railway
CALA — Carolina Southern Railroad
MDF — Medium Density Fibreboard
STR — Shawnee Terminal Railway Company
JDHX — JD Heiskell
FJLC — Fabrica de Jabon la Corona
DCRR — Dubois County Railroad
NMGR — New Mexico Gateway Railroad
RTS — Rapid Transit Systems
MILW — Milwaukee Road
SLWC — Stillwater Central Railroad
NS — Norfolk Southern Railway
ISRR — Indiana Southern Railroad
TMP — Traffic Management Plan
COSS — Controller of Site Safety
H&S — Health and Safety
QX — Qualifying eXceptions
SPM — Senior Project Manager
CTRR — Cloquet Terminal Railroad
TCWR — Twin Cities and Western Railroad
MPLI — Minnesota Prairie Line Incorporated
OEL — Occupational Exposure Limit
CMSL — Cape May Seashore Lines
GER — Great Eastern Railway
WATC — Washington Terminal Company
IORY — Indiana & Ohio Railway
JTC — Jointless Track Circuit
ESMS — Engineering Safety Management System
OHL — OverHead Line
ITT — Invitation To Tender
YARR — Youngstown and Austintown Railroad
PROM — Programmable Read Only Memory (chip)
RTA — Road Traffic Accident (British)
CSCD — Cascade and Columbia River Railroad Company
CBRW — Columbia Basin Railroad
CPS — Crown Prosecution Service (UK criminal justice system)
FRED — Financial Reporting Exposure Draft
OTVR — Otter Tail Valley Railroad Company
CT — Columbia Terminal
CPDR — Carolina Piedmont Railroad
MDS — Meridian Southern Railway
KT — Kentucky and Tennessee Railway Company
RJCP — R.J. Corman Railroad Company/ Pennsylvan
ARC — Alexander Railroad
CAT — Central Arkansas Transit
OTDR — Optical Time Domain Reflectometer

MNNR — Minnesota Commercial Railway
FFT — Functional Fault Tree
BOP — Border Pacific Railroad Company
NKCR — Nebraska, Kansas & Colorado RailNet
NRI — Nebkota Railway Incorporated
NAUG — Naugatuck Railroad Company
SM — St. Mary's Railroad
WNFR — Kanawha Rail Corporation
CLC — Columbia and Cowlitz Railway Company
SAPT — Savannah Port Terminal Railroad Incorporated
CLP — Clarendon and Pittsford Railroad
SHARON — Sharon Steel
NCVA — North Carolina and Virginia Railroad
URR — Union Railroad
BS — British Standard
LCR — Lake County Railroad
GMPTA — Greater Manchester Passenger Transport Authority
OMID — Ontario Midland Railroad Corporation
COEH — Conecuh Valley Railroad
PRT — Philadelphia Rapid Transit
SMA — San Manuel Arizona Railroad Company
MET — Modesto and Empire Traction Company
MDDE — Maryland and Delaware Railroad
KRR — Kiamichi Railroad
SYPTE — South Yorkshire Passenger Transport Executive
CRP — Central Railroad of Pennsylvania
SCTR — South Central Tennessee Railroad
FR — Feasibility Report
TBRY — Thermal Belt Railway
VRG — Virgin Rail Group
SBVR — South Branch Valley Rail Road
CNZR — Central New England Railroad
CTR — Clinton Terminal Railroad Company
CAIX — CAI Rail Inc.
SW — Southwestern Railroad Company
AEA — Atomic Energy Authority
EZP — Electro–Zinc Plating
OE — Oregon Electric Railway Company
CCRA — Camp Chase Industrial Railroad
SCFE — South Central Florida Express Incorporated
DC — Delray Connecting Railroad Company
PNW — Prescott and Northwestern Railroad
NCRC — Nebraska Central Railroad
RVPR — Riverport railroad
BLR — Blacklands railroad
POVA — Pend Oreille Valley Railroad
PLC — Public limited company
DVT — Driving Van Trailer
KE — Kinematic Envelope
RJCC — R.J. Corman Railroad/Kentucky Lines

SMV — Santa Maria Valley Railroad Company
COP — City of Prineville Railway
AWS — Automatic Warning System
NENE — Nebraska Northeastern Railway
COCP — Code of Construction Practice
NVRR — NAPA Valley Railroad Company
NYCH — New York Cross Harbor Railroad Terminal Corporation
NYGL — New York and Greenwood Lake Railway
PRY — Pioneer Industrial railway
BSC — Base Station Controller
GMPTE — Greater Manchester Passenger Transport Executive
SMIS — Safety Management Information System
OUCH — Ouachita Railroad
HMCR — Huntsville and Madison County Railroad Authority
VT — Virgin Trains
URFDO — Ultrasonic Rail Flaw Detector Operator
CSAO — Conrail Shared Assets Operation
CTN — Canton Railroad Company
TVRR — Tulare Valley Railroad Company
RSS — Rockdale, Sandow & Southern Railroad
TSU — Tulsa-Sapulpa Union Railway
REN — Ringer Equivalence Number
CPC — Circuit Protective Conductor
WTNN — West Tennessee Railroad
SPT — Signal Post Telephone
NBER — Nittany and Bald Eagle Railroad Company
DQM — Data Quality Manager
YVRR — Yadkin Valley Railroad
RVSC — Rio Valley Switching Company
NOKL — Northwestern Oklahoma Railroad
ACT — Advanced Corporation Tax
SLRG — San Luis and Rio Grande railroad
MEBO — Management and Employee Buy Out
NSE — Network Southeast
PTI — Positive Train Identification
ALQS — Aliquippa and Southern Railroad Company
LT — Lake Terminal Railroad Company
RPRC — Richmond Pacific Railroad Corporation
PVS — Pecos Valley Southern Railway Company
TCS — Train Control System
NSHR — North Shore Railroad
MCER — Massachusetts Central Railroad
POTB — Port of Tillamook Bay Railroad
PDMX — Programmable Digital Multiplexer
WPRR — Willamette and Pacific Railroad
NYOG — New York and Ogdensburg Railway Company Incorporated
STMA — St. Maries River Railroad Company
KBSR — Kankakee Beaverville and Southern Railroad Company
A&GW — Atlantic and Great Western Railroad
CDM — Construction Design and Management

PWM — Pulse width modulation
FOC — Fibre Optic Cable
QRR — Quincy Railroad Company
BSP — Bulk Supply Point
SRC — Strasburg Railroad
FSH — Full Screen Height
TSRR — Tennessee Southern Railroad
YW — Yreka Western Railroad Company
SS — Sand Springs Railway Company
GWRR — Great Walton Railroad Incorporation
SBRR — Stourbridge Railroad Company
SAN — Sandersville Railroad
CRR OF NJ — Central Railroad of New Jersey
HBT — HOUSTON BELT & TERMINAL
SGLR — Seminole Gulf Railway
TSE — Texas South-Eastern Railroad Company
PTR — Port Terminal Railroad of South Carolina
QS — quantity surveyor
MRS — Manufacturers Railway
ECS — Empty Coaching Stock
YRC — York Railway
CBQ — CHICAGO BURLINGTON & QUINCY
PA — Public Addresses
SLC — San Luis Central Railroad Company
DME — Dakota, Minnesota and Eastern Railroad Company
LVRR — Lycoming Valley Railroad
PNWR — Portland and Western Railroad Incorporated
FRS — Functional Requirements Specifications
EAC — Extended Arm Contract
SLR — St. Lawrence and Atlantic Railroad Company
VTR — Vermont Railway
LS — Luzerne and Susquehanna Railway
MVB — Multifunctional Vehicle Bus
WBCR — Wabash Central railroad
SLU — Standard Length Unit
VR — Valdosta Railway
MPI — Motive Power Industries
LJU — Line Jack Unit
DBFO — Design Build Finance Operate
OHCR — Ohio Central Railroad
BNS — Birmingham New Street
PICK — Pickens railway
MSCI — Mississippi Central Railroad Company
HTT — Harsco Track Technologies
TR — Tomahawk Railway
ETT — Employee Timetable
MJ — Manufacturers Junction Railway Company
CP — Canadian Pacific Railway
EOA — End of Authority
GIJ — Glued Insulated rail Joint

HCA — Historic Cost Accounting
MMID — Maryland Midland Railway
CD ROM — Compact Disc Read-Only Memory
MSTR — Massena Terminal Railroad Company
CIW — CHICAGO & ILLINOIS WESTERN
AFC — Anticipated Final Cost
SHA — Safety Hazard Analysis
MCR — McCloud Railway Company
LVDT — Linear Variable Differential Transformer
DPI — Dye Penetrant Inspection
RE — Resident Engineer
FOC — Free Of Charge. Widely used acronym promising a good deal, however see TANSTAAFL.
CCA — Current Cost Accounting
CCLX — Crystal Car Lines
SRS — Sperry Rail Service
WICT — WISCONSIN & CALUMET
UTAH — Utah Railway
TSR — Temporary Speed Restriction
AM — Arkansas and Missouri
SCXY — St. Croix Valley Railroad Company
CMNW — CHICAGO MISSOURI & WESTERN
OPEX — Operating Expenditure
WSR — Warren and Saline River Railroad
VIAMONT — Viamont
LO-LO — Lift on, lift off,
OOG — Out of Gauge
LEC — London Electricity Contracting Limited
ORC — Order of Railroad Conductors
BH–RAIL — Bull Head RAIL Section
E&P — Electrification and Plant
HN — Hutchinson and Northern Railway Company
LV — Lehigh Valley Railroad
ABA — Air Brake Association
CS — COLORADO & SOUTHERN
NJNY — New Jersey and New York Railroad
DTI — Detroit, Toledo, & Ironton
VRRC — Vandalia Railroad
LSB — Local Sensor Bus
NJT — New Jersey Transit
FDDI — Fibre Distributed Data Interface
WLL — West London Line
COER — CRAB ORCHARD & EGYPTIAN
FRP — Field Reporting Procedures
WSRY — Winamac Southern railway
TNHR — Three Notch railroad
GSM–R — Global System for Mobile communications for Railways
CRI — CHICAGO RIVER & INDIANA
NMRX — New Mexico Department of Transportation-New Mexico Rail Runner Express
COS — Client Operating System
SLR — ST. LAWRENCE & ATLANTIC

NRSC — Network Rail railway Safety Case
TPW — TOLEDO PEORIA & WESTERN
ADN — Ashley, Drew & Northern
FWD — FORT WORTH & DENVER
ID&T — Implementation, Development and Training
ELHS — Erie Lackawanna Historical Society
AWP — ATLANTA & WEST POINT)
PCV — Petty Cash Voucher
QAM — Quality Assurance Manager
ST — Springfield Terminal Railway Company
WABCO — Westinghouse Air Brake Company
ROSCO — Rolling Stock Leasing Company
BO — BALTIMORE & OHIO)
TOOS — Taken Out of Service
CSS — CHICAGO SOUTH SHORE & SOUTH BEND
SOU — Southern Oregon University
CIC — CEDAR RAPIDS & IOWA CITY
CET — Controlled Emission Toilet
PIO — Police Incident Officer
TSC — Train Service Code
LDDC — London Docklands Development Corporation (UK)
AEAT — AEA Technology PLC
TFVM — Terminal Ferroviaria Del Velle De Mexico Sa De Cv
CIP — Core Investment Program
LFCD — Linea Coahuila Durango SA de CV
CAHA — Claims Allocation and Handling Agreement
CAD — Cadiz Railroad
LMLX — Livingston Mountain Locomotive Works
AAX — Agrico Chemical Company
MNS — Minneapolis Northfield & Southern
LC — LANCASTER & CHESTER
GCSX — Granite City Steel Co
NBV — Net Book Value
OSGR — Ordnance Survey Grid Reference
SIRT — STATEN ISLAND RAPID TRANSIT
ETH INDEX — Electric Trains Heating Capacity
F/B — Foot Bridge
S&SD — Systems and Safety Department
HABD — Hot Axle Box Detector
THB — TORONTO HAMILTON & BUFFALO
KX — Kings Cross
RSP — Rail Settlement Plan
TCI — Track Circuit Interrupter
FDDM — FORT DODGE DES MOINES & SOUTHERN
CRE — Contractor's Responsible Engineer
TBTC — Transmission-Based Train Control
FNOR — Florida Northern Railroad
OCC — Occupied
RO-RO — Roll On-roll Off
MTBFF — Mean Time Between Functional Failures

DSL — Denver & Salt Lake
BCHX — Bosques De Chihuahua
ETRB — Electronic Train Register Book
RETB — Radio Electronic Token Block
ESSD — Electrostatic Sensitive Device
CEI — CHICAGO & EASTERN ILLINOIS
SRNJ — Southern Railroad Company of New Jersey
PRDC — Princess Royal Distribution Centre
MYC — Multi-Year Coverage
GMO — Gulf Mobile and Ohio
AB — Additions and Betterments
BM — BOSTON & MAINE
PGE — Pacific Great Eastern Railway
AEAT RAIL — The Former British Rail Research
JDNX — J & M Locomotive Inc.
CITDS — Construction Industry Tax Deduction Scheme
WMPTA — West Midlands Passenger Transport Authority
BGCM — Bg & Cm Railroad
DSRC — DAKOTA SOUTHERN RAILWAY COMPANY
AC — Algoma Central Railway
ECRO — Electrical Control Room Operator
AVGX — Avon Grain
PLJI — Position Light Junction Indicator
PAMX — PrivAte Manual branch eXchange
LRWN — LITTLE ROCK & WESTERN
SIGWEN — Signalling Equipment Workshop Engineering Notice
RIFAA — Rail Industry First Aid Association
KIWIRAIL — Kiwi Rail
OCS — Overhead Catenary System
NRES — National Rail Enquiry Service
GBW — Green Bay & Western Railroad
D&D — Design & Development
PLGS — Position Light Ground Signal
CTR3 — Channel Tunnel Route 3
FIO — For Information Only
SBK — South Brooklyn Railway Company
RAYO — Rayonier
PI — Paducah & Illinois Railroad
NY&E — New York and Erie Railroad
CRT — Critical Rail Temperature
CCI — Confirmation of Client's Instruction
QRP — Quarterly Reporting Pack
PTO — Public Telecommunications Operator
CWR — CWR Incorporated
BH — Bath & Hammondsport Railroad Company
EN — ESQUIMALT & NANAIMO
SLW — Single Line Working
W/S — Work Station
GA — Georgia Railroad
EV — Everett Railroad

RFD — Rail Freight Distribution
GTR — Great River Railroad
FCP — Ferrocarril del Pacifico
PSBR — Public Sector Borrowing Requirement
SPI — Safety Performance Indicator
RIC — Regolamento Internazionale Carrozze
AGW — Atlantic and Great Western railroad
DPL — Down Passenger Loop
PICOP — Person In Charge Of Possession
EE&CS — Electrical Engineering & Control Systems
PMUX — Panel Multiplexer
ABB — Akron and Barberton Belt Railroad Company
JS2 — advanced signalling cable jointing and testing
WESTRACE — Westinghouse Radio Advance Control Equipment
GU — Grafton and Upton Railroad Company
AHBLC — Automatic Half Barrier Level Crossing
S&SD — Railtrack's Safety and Standards Directorate
MTRT — Matisa Track Recording Trolley
GMTX — GATX Rail Locomotive Group
ANBX — Anbel Corporation
BLW — Baldwin Locomotive Works
MSP — Measured Shovel Packing
AMU — Access Management Unit
EFL — External Financing Limit
WSP — Wheel Slip Protection
TVRM — Tennessee Valley Railroad Museum
CIM — Chicago & Illinois Midland
TP&SN — Three Phase and Switched Neutral
RWY — Railway
TCAID — Track Circuit Actuator Interference Detector
GRIP — Guide to Railway Investment Projects
CRS — Computerised Reservation System
EJR — East Jersey Railroad and Terminal
GWT — Great Western Trains
DNC — Declared Non–Compliance
MTTRS — Mean Time to Restore Service
JLE — Jubilee Line Extension
ROSIN — Railway Open System Interconnection Network
APTIS — All Purpose Ticket Issuing System
IMECHE — Institution of Mechanical Engineers
LOSX — Locomotive Specialists, Inc.
SPAD — Signal Passed At Danger
VFN — Valuation Field Notes
ASLEF — Associated Society of Locomotive Engineers and Firemen
JSRC — Jackson and Southern Railroad Company
SSSI — Site of Special Scientific Interest
AF — Alabama & Florida Railway Company
MPI — Magnetic Particle Inspection
IMR — Interlocking Machine Room
SRT — Sectional Running Time

TRTS — Train Ready To Start indicator
NORTA — New Orleans Regional Transit Authority
BMS — Berlin Mills Railway
CDNP — Cheques Drawn Not Presented
HTS — High Tensile Steel
OLE — Overhead Line Equipment
LOA — Limit of Authority
AGILIS — agilis Verkehrsgesellschaft
EN — Euro Norm
DL&W — Delaware, Lackawanna and Western railroad
LEB — London Electricity Board
ABB — Akron-Barberton Belt railroad
POMG — Police Incident Office
LCAMS — Low Carbon Austenitic Manganese Steel
LC — Level Crossing
FNW — First North Western
SPCC — Southern Peru Copper Corporation
SP&SN — Single Phase and Switched Neutral
C&O — Chesapeake and Ohio railroad
CGIX — Collingwood
RSSB — Rail Safety and Standards Board
OCTR — Octoraro Railway Incorporated
CI — Contract Instruction
OHNS — OverHead Line Neutral Section
CRI&P — Chicago, Rock Island and Pacific railroad
W&N — Wharton and Northern railroad
REB — Relocatable Equipment Building
PIXC — Passengers in Excess of Capacity
ABCL — Automatic Barrier level Crossing Locally monitored by train crew
WYPTA — West Yorkshire Passenger Transport Authority
OTW — One Train Working
RHA — Road Haulage Association
UTLX — Union Tank Car Company
CIÉ — Corás Iompair Éireann
EACH — East Camden and Highland Railroad
MFCC — M. F. Coffman Collection
SDNX — Coaster
ACI — Allied Continental Intermodal
PAL — Paducah and Louisville
SLRR — St. Lawrence & Raquette River Railroad
DCA — Data Concentrator Appreciation
ROW — Renewal Of Way
UTX — Under Track Crossing
DH — Delaware and Hudson
CGW — Chicago Great Western Railway
FMEA — Failure Mode and Effect Analysis
AVR — Allegheny Valley Railroad
KOT — Kentucky-Ohio Transportation Co
RAFS — Rail Freight Billing System
AEM — Area Environmental Manager

NPBL — Norfolk and Portsmouth Belt Line
LRV — Light-Rail Vehicle
CE — Contract Engineer
RITS — Rail Infrastructure Transport System
ATS — Automatic Train Supervision (for rail signaling systems)
GNWR — Genesee and Wyoming Railroad Company
SGVY — Saginaw Valley Railway Company Incorpora
NTO — National Training Organisation
PSB — Power Signal Box
CG — Central of Georgia Railway
EPRY — East Penn Railway
CCU — Core Control Unit
CPMT — Central Project Management Team
ETE — Electrical Traction Engineers
NEG — National Express Group
SWRX — Southwind Shortline Railroad Co
RSA — Railway Study Association
SWGX — Southwest Georgia Railroad Excursion Authority/Sam Shortline Excursion Train
AFLR — Alabama & Florida RR
LNER — London and North Eastern Railway
AEPX — American Electric Power Service
D&H — Delaware and Hudson railroad
RIDRR — Railway Industry Dispute Resolution Rules
ETCS — European Train Control System
DGL — Down Goods Loop
EIRC — Eastern Illinois Railroad Company
EFRX — Eastside Freight Railroad
CIS — Customer Information System
OMLX — OmniTRAX Leasing Limited
SCAX — Southern California Regional Rail Authority
DEMU — Diesel-Electric Multiple Unit
SMTH — Signal Maintenance Tester's Handbook
COMPASS — COMbined Performance And Safety System
OROR — Outside Rules Of the Route
SSHA — Subsystem Hazard Analysis
BTOG — British Transport Officers Guild
USAF — U.S. Air Force
ACTO — Association of Charter Train Operators
PPG — Planning Policy Guidance notes
CSN — Companhia Siderúrgica Nacional
SSOR — Sisseton Southern Railway Company
IERS — International Environmental Rating System
VLIX — Vintage Locomotives Inc
KWT — Kwt Railway, Inc.
EG — Executive Grade: old style executive job grading system
P&E — Plant and Equipment
AFRR — Amador Foothills Railroad
RITC — Railway Industry Training Council
KDC — key distribution centre
IECC — Integrated Electronic Control Centre

LMD — Light Maintenance Depot
KSRY — Kosciusko and Southwestern Railway
TRU — Track Recording Unit
CERT — City of Edinburgh Rapid Transport
MPRX — Motive Power & Equipment Solutions, Inc.
ALG — Association of London Government
RLE — Rail Link Engineering
BAR — Bangor and Aroostook
CGRX — Consolidated Grain and Barge Company
FDC — Financial Data Control
ESI — electricity supply industry
CORP — Central Oregon & Pacific Railroad
ARPS — Association of Railway Preservation Societies
CPMG — Company Performance Management Group
CCT — Central California Traction Company
CRR — Competition and Regulatory Reviews
OPU — Operational Planning Unit
BRIS — British Rail Infrastructure Services
UIC — Union Internationale des Chemin
IDMS — Integrated Document Management System
JN — Junction
WTT — Working Time Table
R/G — level crossing with miniature Red & Green warning lights
COI — Confirmation Of verbal Instruction
CRUCC — Central Rail Users Consultative Committee
OCL — Operational Communications Link
BTA — British Transport Advertising
MZSA — Midland Zone Sponsors Agent
LHR — Lehigh and Hudson River
GLW — Gross Laden Weight
IA — Implementation Authority
MC1 — Maine Coast
PLMX — CIT Group/Capital Finance, Inc
MEAV — Modern Equivalent Asset Value
ENGLEWOOD — Englewood Railway
NHCR — New Hampshire Central Railroad
SWOT — Strengths, Weaknesses, Opportunities and Threats analysis
LMA — Limit of Movement Authority
AKS — AK Steel Holding Corporation
SWTH — Signalling Works Testing Handbook
CUOH — Columbus and Ohio River Railroad Company
ARTP — Association of Rail Training Providers
TRS — Train Ready to Start
LVRM — Lehigh Valley Rail Management
BMWE — Brotherhood of Maintenance of Way Employees
RPPS — Rail Passenger Partnership Scheme
AAR — American Association of Railroads
AVACS — Aire VAlley Control System
FTRL — Foster Townsend Rail Logistics
SWELTRAC — South West London Transport Conference

MQT — Marquette Rail
CCF — Control Centre of the Future
CA — Chesapeake & Albemarle
SNCB — Société Nationale des Chemins de fer Belges
TE — Tacoma Eastern Railway Company
EOTD — End of Train Device
WJRR — West Jersey Railroad
DCTA — Denton County Transportation Authority
CLCO — Claremont & Concord
GBRY — Gettysburg Railway
B&O — Baltimore and Ohio railroad
AP TDM — Accounts Payable Electronics, Time Division Multiplex
MCSA — Moscow, Camden, and San Augustine Railroad
VOL. — volume
EARY — Eastern Alabama Railway
NUCX — Nucor Steel Crawfordsville
ITPM — IT Process Model
DH — Delaware and Hudson Railroad
BB — Buildings and Bridges
AHBC — Automatic Half Barrier Crossing
EM — Edgemoor & Manetta Railway
HFDG — Human Factors Development Group
OHLE — Overhead Line Equipment
BS&TE — Business Signal & Telecommunications Engineer
LHR — Lehigh and Hudson River Railway
TSBY — Great Lakes Central Railroad
GCSR — Gulf, Colorado, and San Saba Railway
GSPP — General Specification for Possession Planning
BCR — Bay Coast Railroad
CPTM — Companhia Paulista de Trens Metropolitanos
FTRX — Foster Townsend Rail Logistics
CRIX — Citicorp Railmark, Inc.
ACWP — AccuracyActual Cost of Work Performed
RTHQ — RailTrack HeadquartersRailCons
LLPX — Locomotive Leasing Partners
LRCX — Livingston Rebuild Center
WABL — Wabush Lake railway
CTL — Combined Transport Limited
CBS — Contract Breakdown Structure
LPN — Longview, Portland & Northern
ATOC — Association of Train Operating Companies
BM — Boston and Maine Railroad Corporation
POA — Payment On Account
BRSA — British Rail Staff Association
RSL — Rolling Stock Library
SMG — Systems Management Group
CEDG — Civil Engineering Design Group
FEC — Florida East Coast
DAPP — Draft Annual Possession Plan
NP — Northern Pacific Railway

APRR — Albany Port Railroad
AB — Absolute Block
QC — Quebec Central
ROAD — Railway jargon for railway line
MAA — Magma Arizona Railroad Company
ESLJ — East St. Louis Junction Railroad
ACIO — Assistant Chief Inspecting Officer
ADD — Automatic Dropping Device
FMES — Fixed and Mobile Equipment Supply
WRA — Western Railway of Alabama
SSIC — Solid State Interlocking Controller
QCM — Chemin de fer Cartier
WYPTE — West Yorkshire Passenger Transport Executive
ETL — Essex Terminal Railway Company
DLCX — Diesel Locomotive Co LLC
GW — Great Western Bank
SN — Sacramento Northern Railway
MMC — Monopolies and Mergers Commission
IP — Investment Proposal
OPS — Outline Project Specification
WAB — Wabash Railroad
ATLT — Austin Todd and Ladd Railroad Company
ECTB — East Chattanooga Belt Railway Company
AKM — American Kraft Mills
AWS — Auxiliary Wayside System
CNL — Columbia Newberry and Laurens
AMTK — Amtrak
JCAC — Johnson County Airport Commission
WYCO — Wyoming and Colorado Railroad
HIRR — Hainesport Industrial Railroad
PWI — Permanent Way Institution
NCC — National Control Centre
KNOR — Klamath Northern Railway
BST — Basic Signalling Technology
WLE — Wheeling and Lake Erie Railway Company
ISO — International Standards Organisation
ATS — Aviation Technical Services (SPAWAR, US Navy)
CTC — Centralised Traffic Control
TOWS — Train Operated Warning System
TSWR — Toppenish, Simcoe & Western Railroad
FWWR — Fort Worth and Western Railroad
BLE — Bessemer and Lake Erie
DLR — Docklands Light Railway
TD–D — Data Course (Training)
APT — Advanced Passenger Train
LCM — Lake Champlain and Moriah
CPEF — Companhia Paulista de Estradas de Ferro
WMPTE — West Midlands Passenger Transport Executive
RPM — Route Performance Manager
BKRR — Batten Kill Railroad

ABC — Automatic Ballast Cleaner
CARX — Caliber Auto Transfer
CRR — Clinchfield Railroad
TPH — Trains per Hour
TCT — Texas City Terminal Railway Company
RMPD — Route Modernisation Product Delivery
NPR — Northern Plains Railroad Incorporated
GC — Georgia Central Railway
APP — Annual Possession Plan
NTBEP — Not to Be Exceeded Price
LNAL — Louisville New Albany and Corydon Railroad
CNUR — C and NC Railroad Corporation
VSO — Valdosta Southern Railroad
OJEC — Official Journal of the European Community
BFC — Bellefonte Central Railroad
CSL — Chicago Short Line Railway Company
SBD — Seaboard System Railroad
EBS — Emergency Bypass Switch
PABS — Passenger track Access Billing System
ILSX — Independent Locomotive Service
HE — Hollis and Eastern Railroad Company
WOHO — Wabash and Ohio Railroad
ITC — Illinois Terminal Railroad
FDDB — Fibre Distributed Database
RGSP — Railway Group Safety Plan
RBRX — RB Railway Group
AVL — Aroostook Valley Railroad Company
ACCOLC — Access Overload Control
PPM — Planned Preventative Maintenance
FE — Foundation Electronics
ADG — Area Delivery Group
LIRR — Long Island Railroad
DPPP — Draft Period Possession Plan
ICMU — Interference Current Monitoring Unit
LWR — Long Welded Rail
EC4T — Electric Current for Traction
ACL — Atlantic Coast Line Railroad
BBRR — Balfour Beatty Rail Renewals
SIGTAN — SIGnalling equipment Technical Advice Notice
MCTA — Minnesota Central Railroad Company
PDAC — Performance Data Accuracy Code
FCM — Ferrocarriles Nacionales de Mexico
JKL — J.K. Line Incorporated
ETD — National Extension Trunk Dialling
FDP — Ferrocarril de Panama
NPMEA — National Planning Manager, Engineering Access
CANX — CANAC International Incorporation
CSR — Cab Secure Radio
PJR — Port Jersey Railroad
HMRI — Her Majesty's Railway Inspectorate

PT&R — Promotion Transfer and Redundancy
SFO — Senior Fire Officer
FIBU — FIfty hertz Booster Unit
FGER — Fruit Growers Express Company
TDA — TRUST Delay Attribution
RIPM — Railtrack Investment Prioritisation Model
PRTD — Portland Traction
ANY — Athabasca Northern Railway
NDA — Not Described Alarm
GNRR — Georgia Northeastern Railroad
MCRR — Monongahela Connecting RR Company
TIT — Texas International Terminals
EL — Erie Lackawanna Railway
EPTC — East Portland Traction
MDOT — Maryland DOT
MOS — Motor Operated Switch
TKEN — Tennken Railroad Company Incorporated
RUPP — Road Used As A Public Path
CEDAC — Civil Engineering Design And Construction
SCUK — Signalling Controls Uk Ltd
DNE — Duluth and Northeastern Railroad Company
SSIDWS — Solid State Interlocking Design WorkstationS
FHIX — Fruit Growers Express
NBEC — New Brunswick East Coast Railway Company Incorporated
RAMS — Reliability, Availability, Maintainability and Safety
DOO(P) — Driver Only Operation Passenger
GP — General Purpose
OCR — Ottawa Central Railway
ALL — America Latina Logistica
VBR — Virginia Blue Ridge Railway
URFD — Ultrasonic Rail Flaw Detection
MNCR — Metro North Commuter Railway
FCA — Ferrovia Centro Atlantica
LN — Louisville and Nashville
GAAB — Georgia and Alabama Division South Carolina Central Railroad
FB — Flat Bottom Rail
RSC — Railway Safety Case
NSR — Newburgh and South Shore Railroad Compan
ROTR — Rules of the Route
LMSX — Locomotive Management Services
GNER — Great North Eastern Railway
DRIR — Denver Rock Island Railroad
DOE — Department of the Environment (Canada)
ATIX — Alstom Transportation Incorporated
CT — Central Trains
TTC — Toronto Transit Corporation
MTR — Mass Transit Railway
MHSW — Management of Health & Safety at Work Regulations 1992
CAG — Contract Approval Group
KSW — Kansas Southwestern Railway

COBA — Cost Benefit Analysis
CO — Chesapeake and Ohio railroad
EWD — Each Week Day
APD — Albany Port District
DESX — DIESEL ELECTRIC SERVICES
ETR — Electronic Train Recording
CFMG — Chemin de Fer de LA Matapedia et du Golfe Inc.
NEZP — Nezperce Railroad
TRB — Transportation Research Board
PDRR — Pee Dee River RR
CDR — Cheap Day Return
ATR — Automatic Train Regulation
BRG — Business Review Group
RIC — Rail Incident Commander
HOBC — High Output Ballast Cleaner
NH — New York, New Haven and Hartford Railroad
LWVX — Lake Shore Railway Association Inc.
HGK — Hafen und Gueterverkehr Koeln
IVPS — Intermediate Voltage Power Supply
NPM — National Procurement Manager
SOO — Soo Line Railroad
SQE — Safety Quality and Environment
MEP — Member of European Parliament
I/L — InterLocking
TGV — Train à Grande Vitesse
USRA — United States Railway Association
ELR — Engineers Line Reference
DETP — Detailed Engineering Train Plan
GWML — Great Western Main Line
TIC — Technical Investigation Centre
PTC — Philadelphia Transportation Company
KFR — Kettle Falls International railway
EPD — Engineering and Production Directorate
HMFI — Her Majesty's Factory Inspectorate
DVR — Devco Railway Cape Breton Development Corporation now Sydney Coal Railway
DEP — Designated Earth Point
CD — Ceske Drahy
NEKM — Northeast Kansas & Missouri
JTCO — Jacksonville Terminal Company
EFA — Estrada de Ferro Amapa
ZTE — Zone Telecommunications Engineer
WSS — Winston-Salem Southbound Railway Company
NECR — New England Central Railway
EUROSPIN — European Seamless Passenger Information Network
EQAP — EQuipment APpreciation
BCC — Banking Control Account
TQ — Technical Query
ACJR — Ashtabula Carson Jefferson Railroad Company
DMCI — Des Moines & Central Iowa RR
ESM — Engineering Safety Management

GMR — Georgia Midland Railroad
DAB — Departmental Advice Blue
RMS — Risk Management System
GCFX — Alstom Canada Transport
LAWS — Low Adhesion Warning System
LTEX — Larry's Truck Electric
PROCSYS — Procurement Control
OOU — Out of Use
PSR — Passenger Service Requirement
RESX — Rescar, Inc.
RCM(2) — Remote Condition Monitoring
BH — Bath and Hammondsport Railroad
VULX — Vulcan Materials Company
SSR — Railway Service Contractors
MB — Level crossing with Manually lifting Barriers
DMIR — Duluth, Missabe and Iron Range
MAFF — Ministry of Agriculture, Fisheries & Food
SSN–FTA — Subsystem Fault Tree Analysis
CQPA — Central Columbiana & Pennsylvania RR
DO — Delaware Otsego
CSAC — Candidate Special Area of Conservation
NBX — Not Boxed
CRA — Call Routing Apparatus
FRA — Fixed Rate Agreement
BTCO — Boston Terminal Company
IRSE — Institution of Railway Signal Engineers
USAX — United States Army
PIP — Property Investment Panel
LDG — List of Dangerous Goods
EWS — English Welsh and Scottish railway
JEFW — Jefferson Warrior Railroad Company
JTPX — Joseph Transportation, Inc.
TUPE — Transfer of Undertakings for Protection of Employment
MWLX — Midwest Locomotive Works
NRA — National Rail Academy
ROCK — Chicago, Rock Island and Pacific Railroad
SNCF — Société Nationale des Chemins de Fer Français
TPS — Traction Power Supply
ZOC — Zone Operational Control
HW–POINT — Particular type of point with electricmotor drive
QNSL — Quebec North Shore and Labrador Railway
NCB — nevada copper belt
CCPN — Corpus Christi Terminal Railroad
WCML — West Coast Main Line
SLGW — Salt Lake, Garfield, and Western Railway Company
TCN — Train Communications Network
DDI — Design Development and Implementation
TPWS–E — Train Protection and Warning System based on Euro–balise technology
OCRR — Ottawa Central Railway
BPA — Business Planning Analysis

KW — Keota & Washington RR
CMGN — Central Michigan RR
NY&NJ — New Jersey and New York railroad
LPA — Local Procurement Agent
CMO — Chicago, St Paul, Minneapolis and Omaha
KNRY — Korean National Railways
RPI — Revenue Protection Officer
ABC — Atlanta, Birmingham and Coast
EAWA — Electricity at Work Act
LHRR — Longhorn Railroad
FCCM — Compania de Ferrocarriles Chiapas Mayab, SA de CV
TOU — Train Operating Unit
PHLX — Parrish & Heimbecker Limited
TNM — Train Network Management
COT — Condition of Track
RRNE — Regional Railways North East
BDM — Business Development Manual
DCIO — Deputy Chief Inspecting Officer
MML — Midland Main Line
CO — Chesapeake & Ohio
RHT — Railway Heritage Trust
TGV — Train a Grande Vitesse
EPB — Electro Pneumatic Brake
PSAP — Puget Sound and Pacific Railroad Company
PWRA — Private Wagon owners Registration Agreement
BABT — British Approved Board for Telecommunications
FOU — Freight Operating Unit
NYI — No Year Indicated
MTCO — Macon Terminal Company
BCG — Buffalo Creek & Gauley Railroad
PM — Production Manager
GCW — Garden City Western Railway Company
PTRR — Port Townsend Railroad Incorporated
FNTX — Ferronet Sa De Cv
NRLC — National Railway Labor Conference
P — Programme
AERC — Albany and Eastern Railroad Company
WAGN — West Anglia Great Northern
FGLK — Finger Lakes Railway
APM — Area Production Manager
SPWEE — Safety Procedures for Working on Electrical Equipment
RSP — Roscoe Snyder and Pacific Railway
OURD — Ogden Union Railway and Depot Company
BLOL — Bloomer Shippers Connecting Railroad Co.
TMD — Traction Maintenance Depot
MKNR — Mackenzie Northern Railway
IMC — Infrastructure Maintenance Company
NFM — National Fare Manual
MKT — Missouri-Kansas-Texas Railroad
MPEX — Motive Power Industries

TMBL — Tacoma Municipal Belt Line Railway
GENIUS — GEmini for Non Integrating Unit Stock
CVL — CUYHOGA VALLEY LINE RAILROAD
BOP — Booking On Point
GRYR — Grenada Railway
RT1B — Railtrack Track Renewal Contract
MRP — Management Reporting Pack
VECX — VeraSun Energy
RSAB — Rolling Stock Acceptance Board
DAKS — Dakota Short Line
NRM — National Railway Museum
SSIDES — Solid State Interlocking Design
RLGX — Rail Logix, LLC
CPRR — Central Pacific Railroad
LS — Lehigh and Susquehanna railroad
ICG — Illinois Central Gulf
PRSL — Pennsylvania Reading Seashore Lines
USRA — United States Railroad Administration
RSC — Railway Skills Council
TPO — Travelling Post Office
CPST — Central Project Sponsor's Team
WRCC — Wyoming Railcar
RUCC — Rail Users' Consultative Committee
BRI — British Rail International
RTPI — Real Time Passenger Information system
EHD — East Ham Depot
APC — Automatic Power Control
NRS — National Railway Supplies, Ltd.
SAM — Switch Activating Mechanism
ECML — East Coast Main Line
NN — Northern Nevada Railroad Corporation
PH — Professional Head
P3 — Primavera Project Planner
VC — Virginia Central Railway
OPM — Operational Planning Manager
ATR — Automatic Train Reporting
GUV — General Utility Van
BRT — British Rail Telecommunications
CWP — Chicago West Pullman and Southern
LEN — Lake Erie and Northern Railway Company
PLAX — PORT OF LOS ANGELES
BBRM — Balfour Beatty Rail Maintenance Limited
CAMS — Cost Allocation Management System
AB — Akron and Barberton Cluster Railway Company
DTMF — Dual Tone Multi-Frequency
JCT — Joint Construction Trades
DCM — Duty Contracts Manager
CDMA — Collision Detection Multiple Access
TIIS — Train Infrastructure Interface Specification
WVRC — WABASH VALLEY RAILROAD CO.

DML — Down Main Line
NPS — National Payroll System
EDP — Electrification Distribution and Plant
PEARS — Paladin data Extract And Recording System
QCR — Quebec Central Railway
SMW — St Marys Railway West LLC
CAE — Chicago Aurora and Elgin
PRYL — Port Royal Railroad
TSSU — Time Slot Sharing Unit
BR — Buffalo and Pittsburgh
BZP — Bright Zinc Plating
LLW — Lavacot Locomotive Works
HTW — Hoosac Tunnel and Wilmington
DPC — Data Protocol Converter
SILX — S&I LOCOMOTIVE SERVICES, INC.
ARS — Automatic Route Setting
PON — Periodical Operating Notice
LI — Long Island Rail Road Company
CSM — Commercial Services Manager
TMD — Train Mass Detectors
PRB — Personalised Rule Book
ICAEW — Institute of Chartered Accountants of England and Wales
FIRR — Flats Industrial Railroad
ECR — Euro Cargo Rail
FA — Fixed Assets
RIA — Railway Industry Association
MDRY — Midland Railway Historical Association
SRY — Southern Railway of British Columbia
WPYR — White Pass & Yukon Route
GCRY — Grand Canyon Railway
LRM — Layout Risk Model
GOB — Gospel Oak to Barking line
MNBR — M and B Railroad LLC
HQ — Head Quarters
RCF — Rolling Contact Fatigue
PLBX — Palmetto Brick
SLQ — St. Lawrence and Atlantic Railroad
EMD — Electro-Motive Division of General Motors
FP — Flexibility Premium
CWL — Cornwall Railroad
APPX — Appalachian Railcar Services
DMN — Duluth Missabe and Northern Railway
TMR — Metropolitano Roca
STLH — St Lawrence and Hudson
SSRB — Special Speed Restriction Board
EFC — Estrada de Ferro Carajas
KCT — Kansas City Terminal Railway
CER — Change En Route
ROP — Rules of the Plan
NYLEW — New York, Lake Erie and Western railroad

TUPE — Transfer of Undertakings
GDI — Graphical Data Interface
IR — Ingersoll-Rand Company
ORRX — Oregon Department Of Transportation
HS — H and S Railroad Company
CDM — Control Duty Manager
ABP — Aberdeen & Briar Patch
BRIMS — British Rail Incident Monitoring System
EVWR — Evansville Western Railroad Inc
TIC — Track Inspection Coach
VSRR — Virginia Southern Railroad
GRN — Greenville and Northern
RPL — Rail Property Limited
BHP — BHP Nevada Railroad Company
LKRR — Little Kanawha River Rail Incorporated
NYSW — New York Susquehanna and Western
COE — Colorado & Eastern
HSTR — High Speed Track Recording
CWM — Carriage Washing Machine
DDN — Dispatcher's Daily Notes
FF — File Folder
ATT — Active Tilting Train
ADRC — Access Dispute Resolution Committee
EFCB — Estrada de Ferro Central do Brasil
POHC — Pittsburgh & Ohio Central
TOPS — Total Operations Processing System
EDW — El Dorado and Wesson Railway Company
HOP — Head Of Projects
HSTRC — High Speed Track Recording Coach
GEOGIS — GEOGraphic Information System
SRP — Statutory Reporting Pack
IOCR — Indiana & Ohio Central Railroad
TCF — Track Circuit Failure
RE&TD — Real Estate and Tax Department
JRWX — Johnson Rail Services
PBRTC — Permian Basin Regional Training Center
PAL — Property Action Line
WR SSTD — Western Region Solid State Train Describer
PEARLS — Personnel Enquiries and Administration Recording Local System
SC — Signalling Centre
TRB — Train Recording Book
OTSX — On Track Rail Services
NRG — National Records Group
DAKR — Dakota Rail Incorporated
CCO — Clinchfield Railroad Company
PRWX — Railway Entertainment Services Inc.
MIRS — Mare Island Rail Service
YST — Youngstown Sheet and Tube
LLPA — Long Lead Public Address
PRL — Penn Eastern Rail Lines Incorporated

PFPI — Process for Performance Improvement
OPT — Orange Port Terminal Railway
RJIS — Rail Journey Information System
LWRT — Long Welded Rail Train
CIRY — Central Illinois Railroad Company
PGC — Producers Grain Corporation
LV — LiVerpool Street
CBQ — Chicago, Burlington, & Quincy Railroad
ACY — Akron, Canton and Youngstown
IMU — Infrastructure Maintenance Unit
AUG — Augusta Railroad
FCRD — First Coast Railway
MNA — Missouri & Northern Arkansas
SCM — Senior Contracts Manager
NZR — New Zealand Railways
GWR — Great Western Railway Company
MRP — Monthly Reporting Pack
PUG — Passenger Up Grades
TPLX — The Pacific Lumber Co
DKPX — Duke Power Company
DOO(NP) — Driver Only Operation Non Passenger
RID — Regulations governing International carriage of Dangerous goods by rail
UPY — Union Pacific Yard
RSTL — Rail Staff Travel Ltd
AEE — American European Express
SRP — System Review Panel
VCB — Vacuum Circuit Breaker
HLGX — Helm Financial Corporation
BCSR — Buckeye Central Scenic Railroad
TRACA — Track Condition Assessment
QC — Quebec Central Railway
GECX — General Electric Company
GFRR — Georgia and Florida RailNet
ELP — East London Partnership
LNER — London North Eastern Railway
DVS — Delta Valley and Southern Railway Company
TT — Toledo Terminal
L/H — Leasehold
LAJ — Los Angeles Junction Railway
CPD — Capital Programmes Directorate
CENELEC — European Committee for Electrotechnical Standardisation
PIDS — Passenger Information Display System
NHVR — New Hope Valley Railroad
EIRENE — European Integrated railways Radio Enhanced NEtwork
LGV — Ligne Grande Vitesse
NRNJ — Northern railroad of New Jersey
NJDOT — New Jersey Department of Transportation
EP — Electronic Principles
ICDB — Industry Capacity DataBase
RCH — Railway Convalescent Home

TEXC — Texas Central Railroad Company
LXOH — Knoxville & Holston River Railroad
CTR — cost time resource
SPARESCO — Spare part company
SPC — Senior Production Controller
OHRY — Owego and Harford Railway Incorporated
LUN — Ludington and Northern Railway
WCTU — White City Terminal & Utility
B&H — Bath and Hammondsport railroad
RCL — Railway Claims Ltd
PWMA — Permanent Way Maintenance Assistant
ITCO — Intracoastal Terminal Co
TIC — Tester In Charge
AWE — Advance Warning Estimates
WGCR — Wiregrass Central Railroad. Incorporated
NFPA — National Fire Prevention Association
R&R — Rationalisation and Resignalling
NYOW — New York, Ontario and Western Railway
NPC — NORTH PACIFIC COAST
MSEX — Tour Alaska Inc.Dba Princess Tour
VWL — Vancouver Wharves Limited
TZPR — Tazewell and Peoria Railroad
TORUS — Transport Operations Rapid Update System
MSTL — Minneapolis & St. Louis
BDLX — Big Dog Lines
SPTA — Strathclyde Passenger Transport Authority
INPR — Idaho Northern & Pacific Railroad
EAZIAL — Easy Access Zonal Infrastructure Asset Log
TNMR — Texas and New Mexico Railroad Company
MPD — Major Projects Division
SKOL — South Kansas and Oklahoma
GASX — Gerdau Ameristeel
ADMX — ADM Transportation Company
TWA — Transport and Works Act
FCMR — Fort Collins Municipal Railway
FRDN — H and S Railroad Company Incorporated
ZFC — Zone Freight Controller
CIL — Chicago Indianapolis and Louisville
CVRY — Caddo Valley Railroad Company
NPCCS — Non Passenger Carrying Coaching Stock
IMP — Industrial Metals Processing
DBSO — Driving Brake Second Open
NWSW — Northwestern Steel and Wire Co.
FXE — Ferromex
LUL — London Underground Ltd
CHTS — Penn Eastern Rail Lines Incorporated
C&E — Chicago and Erie Railroad
TXL — TX Logistik AG Germany
IFC — Infrastructure Fault Control
POM — Possession Optimisation Manager

SFLR — Shore Fast Line Incorporated
HSTRT — High Speed Track Relaying Tin
AGVX — Ag Valley Co-op
WAER — Wabash Erie
MNCW — Metro-North Commuter Railroad
PROMISE — Planning and ResOurces MonItoring SystEm
TS&I — Technical Services and Innovation
AOCR — Automatic Open level Crossing Remotely monitored
IMACS — Inventory Management Accounting and Control System
BRBS — British Rail Business Systems
SOR — Standard Open Return
ZIAR — Zone Infrastructure Asset Register
DB — Deutsche Bahn
CAMPS — Computer Assisted Maintenance Planning System
GLC — Great Lakes Central Railroad
GETY — Gettysburg Railroad
WYS — Wyandotte Southern Railroad Company
MTP — Mode of Travel Priority
TDIX — Transdynamic Leasing
ICC — Infrastructure Control Centre
CTRW — Carlton Trail Railway Company
BPA — Business Planning Accountant
FBMIS — Finance and Business Management Information System
KGBW — Kewaunee Green Bay and Western
EM — Environmental Manager
EIRR — Eastern Idaho Railroad Incorporated
ECC — English China Clays
CSC — Contractor's Safety Case
TCI — Transportation Consultants International
SWGR — Seagraves Whiteface and Lubbock Railroad
CEGB — Central Electrictricity Generating Board
STE — Stockton Terminal and Eastern RR
REA — Railway Express Agency Corporation
FGE — First Great Eastern
MATT — Mattagami Railroad
MCF — Microfilm Roll
BLMR — Blue Mountain Railroad
WTB — Wire Train Bus
RLHH — Southern Ontario Railway
CPA — COUDERSPORT & PORT ALLEGHENY RAILROAD
UEL — Up Electric Lane
RPI — Revenue Protection Inspector
TEB — Telephone Enquiry Bureau
DLW — Delaware Lackawanna and Western
ABLX — American Refrigerator Transit Company
ATT — Advanced Tilting Train
SRP — Safety Review Panel
PCY — Pittsburgh Chartiers and Youghiogheny
TXR — Texas Rock Crusher Railway Company
SFEX — New Brunswick East Coast Railway

RSSX — Rail Switching Service
JVRR — Juniata Valley Railroad Company
VPI — Vital Processor Interlocking
FEPASA — Ferrovias Paulistas SA
RIV — Regolamento Internazionale Vagoni
AIP — Area Investment Panel
ZPAM — Zonal Public Affairs Manager
NYNHH — New York, New Haven and Hartford railway
SJVR — San Joaquin Valley RR
DPA — Delegated Procurement Authority
ITS — Infrastructure Testing Services
ER — Eesti Raudtee
HRRC — Housatonic Railroad Company
PSO — Public Service Obligation
MNVA — Minnesota Valley Transportation Company
PHRR — Port Harbor Railroad
NHRR — New Hope and Ivyland Rail Road
SSDK — Savannah State Docks Railroad Company
UGL — Up Goods Line
FRVR — Fox River Valley Railroad
AF — Auxiliary Feeder
PUWER — Provision and Use of Workplace Equipment Regulations 1992
IMRL — I&M Rail Link
SWP — Southwest Pennsylvania Railroad
TIRE — Ticketing Incentive REgime
AOK — Arkansas-Oklahoma Railroad
RRCI — Redmont Railway Company Incorporated
GNRTS — Greater Nottingham Rapid Transit System
DFL — Down Fast Line
DPPP — Disabled Peoples Protection Policy
B&M — Boston & Maine Railroad
MBTA — Massachusetts Bay Transit Authority
SOPOR — Societe du Port Ferroviaire de Baie-Comeau Haute-Rive
GTD — Group Tax Department
DMSS — Development Manager, Signalling Strategy
CNRX — Canadian Northern Railway LLC
CEMR — Central Manitoba Railway Incorporated
TPPP — Transport Policies and Programme Package
CESM — Civil Engineering Safety Manual
SIN — Special Instruction Notice
INLORS — INner London Orbital Route Strategy
HVI — High Voltage Impulse
PPU — Tazewell & Peoria Railroad
ZIP — Zone Investment Panel
DPC — Development Planning Centre
PWSX — Power Source Supply Inc
PWS — Permanent Way Supervisor
ROTP — Rules of the Plan
FTA — Fault Tree AnalysisUoS
BSDA — Bi-State Development Agency

DCP — Designated Competent Person
C/E — Country End
RA — Reporting Accountant
AMWX — AMERICA MOTIVE POWER, INC
GMRY — Great Miami and Scioto Railway
JJRR — J and J Railroad
LCU — Local Control Unit
CRG — Commercial Review Group
DMMU — Diesel Mechanical Multiple Unit
SSIHA — SubSystem Interface Hazard Analysis
ENR — E and N Railway Company Limited
EFE — Electrification Fixed Equipment
WTCX — Weyerhauser
ABCX — Alabama Byproducts Corporation
RGS — Railway Group Standard
SOR — Southern Ontario Railway
EUKL — Eurostar (UK) Ltd
DMU — Diesel Multiple Unit
DODX — United States Department of Defense
TOC — Test On Completion
LIRC — Louisville & Indiana
GATX — General American Marks Company
GERY — Georgia & Eastern
DIADS — Diagram Input And Distribution System
BCWS — Budgeted Cost of Work Scheduled
L/S — Late Start
ZWSX — Zanesville & Western
TO — Team Organiser
TCA — Track Circuit Actuator
DCP — Document Control Point
CHB — Cleveland Harbor Belt
RR — Raritan River
EJS — East Jordan & Southern Railroad
CLSL — Columbia and Silver Creek Railroad
SIRR — Southern Industrial Railroad
SWIFT — Structured What If Technique
GTRM — GT Railway Maintenance
MOT — Marine Oil Transportation
SI — Spokane International Railroad Company
LOAM — Lousiana Midland
TP — Temporary Placement
SCL — Seaboard Coast Line Railroad
ERES — Erie Western
BNML — Burlington Northern Manitoba Limited
CPMY — Coopersville & Marne Railway
PVRR — Pioneer Valley Railroad Company Incorporated
ALCO — American Locomotive Company
WEN — Weekly Engineering Notice
JSOP — Joint Signing on Point
SCW — Safety Critical Work

ER — Erie Railroad
CRT — Construction Round Table
DAIR — D and I Railroad Company
WAMX — Webb Asset Management
G&SW — Glasgow and South West line
SAA — Station Access Agreement
DDA — Design and Development Authority
DRA — Driver Reminder Appliance
OLO — Ontario LOrignal Railway Incorporated
PDM — Project Development Manager
ECBR — East Cooper and Berkeley Railroad Company
RT1A — Railtrack Infrastructure Maintenance Contract
ETH — Electric Train Heating
BNC — British National Connector
NRM — Nominated Responsible Manager
CV — CENTRAL VERMONT PUBLIC SERVICE CORP.
MTR — Montour RR
DB — Deutsche Bundesbahn, German State Railways
PSRG — Project Strategy Review Group
MAEG — Maersk Sealand
MEC — Maine Central Railroad
CPPP — Confirmed Period Possession Plan
TENS — Trans European Network Strategy
LOS — Limit Of Shunt indicator
KCCS — Kansas City Clinton & Springfield
ARRC — Advanced Railway Research Centre
ADR — regulations concerning the International Carriage of Dangerous Goods by Road
MCB — Manually Controlled Barrier
QRA — Quantified Risk Analysis
RRRR — Raritan River railroad
LIFT — London International Freight Terminal
C2C — Acronym for London Tilbury and Southend lineRailCons
NYLB — New York and Long Branch Railroad Company
TNO — Texas & New Orleans
SSSH — Surrey Sussex & Southhampton
MTW — Marinette Tomahawk & Western
CVYR — Hargraves & McCrary, P.A.
FTS — Failure to Stop
RR — Railroad Reporting
GANO — Georgia Northern Railway Company
IS — Intermediate Signalling
ALKX — Airlake Terminal Railway Co.
UTCX — Union Tank Car Company
TDS — Train Dispatcher Sheets
LC — Line Clear
CD — Close Doors platform indicator
LSPD — Local Safety Policy Document
CATX — General American Marks Company
ACM — Area Consents Manager
ACORP — Association of Community Rail Partnerships

PSR — Permanent Speed Restriction
WHPX — W.F. Hall Printing
TWS — Tax Work Sheets
BSN — Bridge Strike Nominee
BT — Booster Transformer
PROMPT — PRiority On Managing Performance Trends
WHOE — Walking Horse & Eastern
KCPS — Kansas City Public Service
DPL — Down Platform Line
SCT — Sioux City Terminal Railway
AMS — Austenitic Manganese Steel
RIAC — Railway Industry Advisory Committee
NYNH&H — New York, New Haven and Hartford railway
DTS — Dynamic Track Stabiliser
WMP — Waste Management Plan
BS SPEC — British Standards specification
NWP — Northwestern Pacific Railroad Company
LFB — London Fire Brigade
SSM — Safety Strategy Manager
IAT — IOWA TRACTION RAILROAD CO
FCEN — Florida Central Railroad
WWR — Washington Western
VOBC — Vehicle OnBoard Control
DRSX — DOT Rail Services
BRP — Budget Reporting Pack
UAA — University of Akron Archives
PAM — Product Acceptance Manager
REPTA — Railway Employees Privilege Ticket Association
HBL — Harbor Belt Line
MDLE — Mount Dora & Lake Eustis Railway
R/T — Right Time
DOO — Driver Only Operation
COWD — Cost Of Work to Date
UFL — Up Fast Line
PNRX — Pittsburgh Naval Reactors Office
RSABGP — RSAB Group which provides support to RSAB and projects
NMCSA — Network Management Centres Sponsor's Agent
VDP — Vertical Design Package
OTM — On–Track Machine
BP — Brake Pipe
RRW — Rockton Rion & Western
EFRTC — European Federation of Railway Trackwork Contractors
ACRC — Andalusia & Conecuh Railroad Company
SFG — Societe du Chemin de Fer de la Gaspesie
MLRI — Multi–Lamp Route Indicator
NCPR — North Carolina Ports Railway
PAT — Performance Action Tracking
SIN — Special Inspection Notice
NATM — New Austrian Tunnelling Method
NSL — St. Lawrence and Raquette River Railroad

F/H — FreeHold
SRCL — Southern Rails Cooperative
DG — Dangerous Goods
QGRY — Quebec Gatineau Railway Incorporated
NYD — New York Dock Railway
EEC — East Erie Commercial Railroad
ESR — Emergency Speed Restriction
CPW — CHICAGO, PEORIA & WESTERN RAILROAD CO.
SMFD — Systems Management Framework Design
ORN — Overlay Radio Network
PLRA — Private Locomotive Registration Agreement
LRR — Little River Railroad
SPADMIS — Signal Passed At Danger throughout Information System
RSF — Right Side Failure
EAZ — East Anglia Zone
AWW — Algiers Winslow and Western Railway
UPWSF — UnProtected Wrong Side Failure
IMRR — Illinois Midland Railroad
EMRY — Eastern Maine Railway Company
SAL — Seaboard Air Line Railway
FGW — First Great Western
IGMX — Integrated Grain & Milling
WCRM — West Coast Route Modernisation
BRR — British Rail Research
AVB — Automatic Vacuum Brake
PC — Penn Central railroad
BPM — Business Process Manual
YB2 — Yellow Book issue 2
HLCX — Helm Financial
NMC — Network Management Centre
LTS — London, Tilbury and Southend Rail
PRSX — Progress Rail Services Corporation
SNR — Sunflour Railroad Incorporated
NWR — Normal Working Resumed
FPL — Facing Point Lock
HSM — Hand Signal Man
SIXX — 636 Leasing
EROS — Emergency Restriction Of Speed
WA — Washington & Atlanta Railroad
PCB — Petty Cash Book
PLS — Position Light Signal
WHRC — Windsor and Hantsport Railway
YN — Youngstown and Northern
RUT — Vermont Railway Incorporated
IBT — International Bridge and Terminal Company
BEDT — Brooklyn East District Terminal
MSRC — Kansas City Southern Railway
T/T — Telephone and Telegraph
TTC — Toronto Transit Comission
RICA — Regional Independent Commercial Auditor

WARP — West Coast Advanced Recovery Reliability Programme
PRI — Preliminary Routing Indicator
FLR — Fife Lake Railway
CDOT — Conneticut Department of Transportation
CA — Commercial Assistant
MNRR — Modoc Northern Railroad Company
IORPS — Integrated Operational Railway Planning System
MDC — Management Driven Change
BMIS — Business Management Information System
DAPF — Document Amendment Proposal Form
ROA — Right On Arrival
IRRS — International Rail Road Systems, Inc.
TRUST — Train RUnning Systems on TOPS
JSE — Janesville & Southeastern
DV — Delaware Valley Railway Company
RNCX — North Carolina Dept Of Transportation
GSWR — Georgia Southwestern Railroad
CENTRO — Marketing name of West Midlands Passenger Transport Executive
JMHX — J. M. Huber Corporation
TRU — Infrastructure track Renewal Unit
ESPN — East Penn Railroad
BMRG — Blue Mountain and Reading
USS — U.S. Steel
OHK — Kruse Grain
BAWX — Babcox & Wilcox
NRLS — Network Rail Line Standards
CTR1 — Channel Tunnel Route 1
TAC — Telecomms Appreciation Course
TAA — Track Access Agreement
JE — Joppa and Eastern Railroad Company
EMS — Environmental Management Statement
SMIC — Site Manager's Information Compendium
BXN — Bauxite and Northern Railway Company
TOE — Texas Oklahoma and Eastern RR Company
VCRR — Ventura County Railroad Company
L&S — Lehigh and Susquehanna railroad
ROM — Regional Operating Manager
ISAR — Information Systems Activity Request
NTR — Mississippi Central Railroad Company
PE — Peoria & Eastern
TN — Texas and Northern Railway Company
BR — British Railways
SSDC — Signalling Systems Direct Current
PLW — PL and W Railroad Incorporated
GPR — General Purpose Relief
TOL — Train On Line
JXPT — Jaxport Treminal
MIGN — Michigan Northern Railway
AD&R — Asset Development and Renewal
RDG — Reading Railroad

TT — Timetable, Public
MML — Minimum Monetary Limit
AWB — Advance Warning Board
FPE — Fairport, Painesville & Eastern R.R. Co
CHTT — Chicago Heights Terminal Transfer Railroad
INRD — Indiana Railroad
GWR1 — Great Western
ERIE — Erie Railroad
LM — Litchfield and Madison
RD — GEC time division multiplex, type RD
RHYX — Macquarie Rail Inc
OPR — Oregon Pacific Railroad
RSBS — Railway Standard Building Specification
IHIR — Indian Hill & Iron Range
LBR — Lowville and Beaver River Railroad Company
TBRX — Taylor Rail Group
GPL — Ground Position Light
TXNW — Texas North Western Railway Company
CARR — Carrollton Railroad
TPC — Train Performance Calculator
ECR — Evaluation of Change Request
CHALET — Casualties, Hazards, Access, Location, Emergency services and Time
YVT — Yakim Valley Transportation Company
TOHD — Tops Operations Help Desk
VS — V and S Railway Incorporated
MHMR — Mount Hope Mineral railroad
BCS — Better Chemical Solutions
CWRO — Cleveland Works Rail Operations
SEC — Southern Electric Company
DM — Detroit & Mackinac
UWC — User Worked Crossing
PCHR — Port Colborne Harbour Railway
BTC — Birmingham Terminal
FN — Fault Number
CNW — Chicago and Northwestern
ZPUG — Zonal Possession User Group
CPCX — Chevron Phillips Chemical Company
DCLR — Delaware Coast Line RR Co
MUNI — San Francisco Municipal Railway
WSF — Wrong Side Failure
TTP — Time Table Processor
O&I — Operations and Interface
PIRY — Pioneer Industrial Railway
CHP — Ferrocarriles Nacionales de Mexico
EAM — Engineering Access Manager
SAS — South African Railways
NRN — National Radio Network
OPUG — Other Passenger Upgrades
GRWR — Great Walton Railroad
PSPP — Particular Specification for Possession Planning

AEC — Atlantic and East Carolina Railway Compa
VNCAB — Vehicle and Network Change Approvals Board
N&W — Norfolk and Western railway
KLSC — Kalamazoo, Lake Shore and Chicago Railway
MAS — Management Aspects of Supervision
HEX — Heathrow EXpress
SSX — Southern States Phosphate and Fertilizer Co.
PCTE — Profit Centre Telecommunications Engineer
FRVT — Fore River Transportation Corporation
SSLV — Southern San Luis Valley Railroad
FWL — Fort Wayne - Lima
CLIF — Cliffside Railroad
JCN — JunCtioN
NYOW — New York, Ontario & Western
LS — Line Standard
ES — Engineering Supervisor
DGNO — Dallas Garland & Northeastern
SJT — St Joseph Terminal
NYA — New York and Atlantic Railroad
OPE — Oregon Pacific and Eastern
WC — Wisconsin Central Railway
E&G — Edinburgh to Glasgow line
CIND — Central RR of Indiana
SBB — Swiss Railways
ATN — Alabama & Tennessee River Railway Llc
GSP — Ground Switch Panel
SRPTA — Technical Advisor nominated by SRP Secretariat
BEEM — Beech Mountain Railroad Corporation
REG — Railtrack Executive Group
ILW — Illinois Western Railroad
MGR — Merry–Go–Round
SINAC — Special Inspection Notice Action Complete
BRUTE — British Railways Universal Trolley Equipment
TINX — Trinity Railcar
EMLX — Electro-motive Leasing
EI — Electrical Installation
FNM — Ferrocarriles Nacionales de Mexico
NAP — Narragansett Pier Railroad Company
FSRR — FerroSur
DAC — Depot Access Conditions
NJII — New Jersey, Indiana and Illinois Railroad
CCH — Cape Cod & Hyannis
NSM — North Shore Mining
PHIS — Performance Historical Information System
OCW — Ocean City Western Railroad
FRAME — Fault Reporting And Monitoring Equipment
TL — Through Line
LASB — Lackawaxen and Stourbridge Railroad
CPLT — CAMINO, PLACERVILLE & LAKE TAHOE RAILROAD CO.
LPS — Local Policy Statement

DCI — Des Moines & Central Iowa RR
SPUD — St. Paul Union Depot Company
AUAR — Austin Area Terminal Railway
CEFX — CIT Group/Capital Finance, Inc
LRPC — London Regional Passengers Committee
CMR — Indiana Rail Road Company
BER — Big Eagle Rail
MCB — Miniature Circuit Breaker
FIRM — Fares Increases Regulation Mechanism
ETHERNET — Computer cabling system
MR — McCloud Railway Company
BRT — Brotherhood of Railroad Trainmen
NCOK — North Central Oklahoma Railway
ELGX — Trains Touristiques De Chaudiere-Appalaches
CCRX — Cape Cod Railroad
MOC — Missouri Central Railroad Company
FWCR — Florida West Coast Railroad Incorporated
LT — London Transport
BBRPL — Balfour Beatty Rail Projects Limited
SIP — Strike–In Point
NYO&W — New York, Ontario and Western railway
ICE — InterCity Express
NOP — New Orleans Public Service
IA — Investment Authority
RCPE — Rapid City Pierre & Eastern Railroad
GL — Goods Line
GMDX — General Motors Diesel Canada
TSNR — Tyson Railroad Incorporated
TESCO — Technical Support Company
HOFE — Head Of Engineering
PW — Parallel Wing
ATB — Automatic Ticket Barrier
CHW — Chesapeake Western Railway
PIZ — Pfizer
BAP — Butte Anaconda & Pacific
BHRR — Birmingham Terminal Railway
RI — Relay Interlocking
WCTR — WCTU Company White City Terminal Railway
T&H — Tottenham & Hampstead
NTN — National Teleprinter Network
NBA — National radio network
TD–T — Transmission Course (Training)
FWRY — Fillmore Western Railway Company
SDS — Signalman's Display System
SSAP — Statement of Standard Accounting Practice
CPD — Cleveland Plain Dealer
TRE — Track Recording Engineer
MRT — Minimum Rail Temperature
PICP — Pollution Incident Control Plan
CRIP — Chicago Rock Island & Pacific

WNYP — Western New York and Pennsylvania
ME — Morristown & Erie Railroad
WT — Wrightsville & Tennille
CCCR — Cape Cod Central Railroad
TFM — Trackside Functional Module
EVR — Early Voluntary Retirement
DFT — DART Fixed Terminal
E&P — Engineering and Production
CBRM — Chillicothe-Brunswick Rail Maintenance Authority
WCRC — Washington Central Railroad Corporation
SSG — Safety Strategy Group
BAYL — Bay Line, LLC
RCE — Regional Civil Engineer
CCR — Corinth & Counce Railroad Company
CSA — Cross–Sectional Area
PJRL — Penn Jersey Rail Lines Incorporated
LMS — London, Midland & Scottish railway
AMTL — Agence métropolitaine de transport
TPWSSA — Train Protection Warning System Sponsor's Agent
AHQ — British Transport Police Area Headquarters
OHIC — Ohi-Rail Corporation
BRS — Business Route Section
PCA — Penn Central
SPCX — Qwest Communications Corporation
ESNA — Eureka Springs and North Arkansas
MJRX — Railway Service Contractors Inc
ZCAM — Zonal Corporate Affairs Manager
COPA — Control of Pollution Act 1974
IHRC — Indiana Hi Rail Corporation
NYS&W — New York, Susquehanna and Western railroad
L&B — Land and Buildings
NOLR — New Orleans Lower Coast Railroad Incorporation
CCUO — Chicago-Chemung Railroad Corporation
NTP — North Trans–Pennine route
SMART — Specific, Measurable, Achievable, Realistic, Timebased
HSDR — High Speed Data Ring
VSTP — Very Short Term Plan
CAPE — Train Cancelled
OLEAR — Overhead Line Equipment Asset Register
PCRC — Panama Canal Railway Company
TTI — Transkentucky Transportation
OETR — Outline Engineering Train Requirements
S&C — Settle and Carlisle
BCH — Southern Railway of British Columbia Limited
ISG — Infrastructure Support Group
EFRR — Effingham Railroad
SPT — Strathclyde Passenger Transport
WB&E — Wilkes-Barre and Eastern railroad
PSCX — Public Service Of Colorado
NAPS — National Accounts Payable System

RFP — Richmond Fredericksburg and Potomac
MT — Mississippi and Tennessee RailNet Incorporated
OLB — Omaha Lincoln and Beatrice Railway Company
PRIDE — Passenger Rail Information Display Equipment
T&V — Tresspass & Vandalism
EWS — English, Welsh & Scottish Railway Ltd
PS — Pittsburg and Shawmut Railroad Company
KTS — Kenosha Trolley
CHGX — Chicago Gravel
LIRX — Lapeer Industrial Railway
WTLC — West Texas & Lubbock Railroad Co Inc.
IIC — International Intermodal Center
LRS — Laurinburg and Southern
NE — National Express
HCRY — Huron Central Railway
SMOS — Structure Mounted Outdoor Switchgear
LB — Loose Bound
USSC — United States Sugar Corporation
BMS — Basic Mechanical Signalling
OKAN — Okanagan Valley Railway Company
DGI — Dangerous Goods Incident
EIP — Examination in Public
TMS — Metropolitano San Martin
ATM — Amended Timetable Manager
PADS — Parts And Drawing System
ETRY — Eastern TN Railway
RTLS — Road Traffic Lights
MKC — McKeesport Connecting Railroad Company
RTMZ — RailTrack Midlands ZoneRailCons
CTRU — Central Track Renewals Unit
AOCL — Automatic Open level Crossing Locally monitored by train crew
BRTC — Brotherhood of Railroad Trainmen Sub-Collection
HRLX — Housatonic Logistics Company LLC
SA — Sponsor's Agent
PRIMA — Professional Rail Industry Management Association
HB — Hampton and Branchville Railroad
LANO — Penn Eastern Rail Lines Incorporated
KOG — Kansas, Oklahoma, & Gulf
LMIC — Lake Michigan and Indiana Railroad
KRT — Kanawah River Terminals
CBNS — Cape Breton & Central Nova Scotia Ry
TPC — Trackside Processing Centre
NLR — North London Railways
SDR — Simplified Direct Reporting
HOCM — Head of Contract Management
GEXR — Goderich & Exeter
DCFB — Dodge City Ford and Bucklin Railroad Com
DIS — Flexible DIsplay System
WILD — Wheel Impact Load Detector
BPR — Business Policy Review

ROS — Restriction of Speed
CBC — Carbon County Railway
TCOD — Track Circuit Operating Device
TCRY — Tri-City Railroad Company
ATSF — Atchison, Topeka & Santa Fe
UWSF — Unprotected Wrong Side Failure
NRA — National Rivers Authority
SA — Savannah & Atlanta
TBS — Transmission Based Signalling
ACTC — Atlantic City Transit Company
BDRV — Belvidere & Delaware Railroad
MRI — Motive Rail Industries
STABS — Signalling and Telecommunications Area Budget System
LSMS — Lake Shore Michigan Southern Railroad
XC — Cross-Country
STP — Short Term Planning
FFG — Freight Facilities Grant
NRNA — National Radio Network Appreciation
SCI — Standard Contract Interpretation
WIP — Works In Progress
HCYR — Horry County Railway
SA — Signalling Assistant
SVI — Southern Railway of Vancouver Island
ARA — American Railway Association
FLAWS — a computer database of rail flaws
WWRC — Wilmington and Western Railroad
NYE — New York and Erie railroad
RJCR — RJ Corman
WVN — West Virginia Northern Railroad
NEOUCOM — Northeastern Ohio University Colleges of Medicine
BRB — British Railways Board
PIPS — Packaging and Investment Planning System
PPTC — Powered Plant Training - Chainsaw
TRIN — Trinidad Railway Incorporated
DLM — Data Link Module
CTA — Chicago Transit Authority
SB — Signal Box
LTA — Lost Time Accidents
PMI — Project Manager's Instruction
MEF — Modern Equivalent Form
C&W — Carriage & Wagon
BDTL — Ballard Terminal Railroad Company
MRIX — Missouri North Centra RR
MVT — Mt Vernon Terminal
SVGX — Savage, Inc
GLCD — Great Lakes Coal & Docks
ATTA — Automatic Track Top and Alignment
WAR — Warrenton Railroad Company
FC — Fulton County Railroad Incorporated
SFS — Santa Fe Southern Railway

NSC — National Supply Contract
CNRY — Cincinnati Railway
BMRR — Beech Mountain Railroad
IMG — Infrastructure Materials Group
MWL — Level crossing with Miniature red/green Warning Lights
ONCT — Ontario Central Railroad Corporation
PWV — Pittsburgh & West Virginia
HM — Her Majesty
KPR — Kelowna Pacific Railway Limited
PTM — Permanent Timetable Manager
FS — Feeder Station
LCR — London and Continental Railways
RSCI — Real Staff Cost Increase
GF — Ground Frame
PLYX — US Plywood
GEGX — GE Gas Turbine
ARI — Alphanumeric Route Indicator
ETRM — Engineering Train Routing Map
CRC — Class Representative Committee
ICC — International Convention Centre
MGL — Multiple Groove Locking
GWUG — Great Western UpGrade
ATAX — Arizona Transit Assembly
EPS — European Passenger Services
RTFN — RailTrack Fault NumberRailCons
EEB — Eastern Electricity BoardRailCons
DT1 — Detroit Terminal
GTW — Grand Trunk Western
PHD — Port Huron and Detroit Railroad Company
TORR — Train Operated Route Release
WIMX — Wimpey Minerals USA, Inc.
BRPX — Blue Ridge Paper
VPF — Value of Preventing a Fatality criterion
CTML — Cairo Terminal Railroad Company
CSP — Camas Prairie RailNet Incorporated
CRTA — Cleveland Rapid Transit
CHAPS — Clearing House Accounts Payable System
JKWI — Johnsonburg, Kane, Warren and Irvine Railroad
WTF — Wrong side Telecommunications Failure
TAG — Tennessee, Alabama & Georgia
FUS — Ferrocarriles Nacionales de Mexico
TD — Train Describer
RM — railroad mark
HOPO — Head Of Projects Organisation
LRWY — Lehigh Railway
BCA — Business Critical Application
YA — Youngstown & Austintown RR
FUG — Freight Up Grade
DJRR — Decatur Junction
MC — Mass Coastal

VAB — Vehicle Acceptance Board
WYT — Wyandotte Terminal Railroad Company
TADS — Telecommunications Asset Database System
ORR — Office of the Railway Regulator
TQSUM — Track Quality SUMmary
IRN — Ironton RR
PSR — Public Service Requirement
CRE — Conductor Rail Equipment
SSO — Special Stop Order
MISS — Mississippian Railway Cooperative Incorporated
MICC — Management Information Communications Centre
LEFC — Lake Erie, Franklin & Claron
ELS — Escanaba and Lake Superior Railroad Comp
DTRR — Detroit Terminal Railroad
CIM — rules for international carriage of goods
VLI — Valor da Logistica Integrada
IMPS — Investment Monitoring and Planning System
MGR — Merry Go Round
CADRS — CAD Railways Services
GWZ — Great Western Zone
SLSF — Saint Louis-San Francisco
KFR — Kettle Falls International Rwy
YKR — York Railway
CSR — Camden & Southern Railroad Inc
WVR — Willamette Valley Railway
CHH — Cheswick and Harmar
WARM — West Anglia Route Modernisation
APLAN — track Access PLANning system
AZER — Arizona Eastern Railway Company
FORI — Fibre Optic Route Indicator
GASC — Georgia, Ashburn, Sylvester & Camilla Ry
HA — Hanson Aggregates
RM — Route Modernisation
NSKT — No Signaller Key Token
CAPP — Confirmed Annual Possession Plan
PREX — Pioneer Rail Equipment
SLOA — Steam Locomotive Operators Association
ONER — Ontario Northeastern RR
HCRC — Hillsdale County Ry. Co., Inc.
CTC — Centralized Track Control
OTMR — On Train Monitoring Recorder
CCSC — Contractor Core Safety Case
SSP — Signalling Supply Point
RCDO — Railway Crossing Diversion Order
MMRR — Mid-Michigan Railroad Incorporated
ENS — European Night Services
NRES — National Railway Enquires
DTSL — Detroit & Toledo Shore Line
CM — Contracts Manager
ACEX — Altamont Commuter Express

LLX — Luria Brothers
TRRA — Terminal RR of St Louis
UGL — Up Goods Loop
CWPR — Company Weekly Performance Report
TESCO — TEchnical Service COmpany
FNB — Ferronorte Brasil
WKRL — Western Kentucky Railroad
NBN — Nicolet, Badger & Northern
DART — Digital Advanced Radio for Trains
CWRY — Commonwealth Railway Inc.
RRNW — Regional Railways North West
NSTR — No Signaller Token Remote
GWWE — Gateway Eastern Railway Company
CAPS — Colchester Area Power Supplies
DLWR — Depew Lancaster and Western Railroad Com
IRJ — Insulated Rail Joint
PAM — Pittsburgh Allegheny and McKees Rocks Railroad Company
IDC — Inter Disciplinary Check
ATC — Angel Train Contacts
USRC — U.S. Rail Corporation-Jackson Division
PACS — Public Affairs Correspondence System
GWRS — Great Western Railway Company
MNE — Manistee & North East
EJE — Elgin Joliet and Eastern
NTR — National Track Renewals
NDN — National Data Communications Network
HL — Home Location
LRP — Local Reporting Pack
ER — Employer's Representative
TTR — Talleyrand Terminal Railroad Company
PIE — Performance Improvement Executive
DMVW — Dakota Missouri Valley and Western Railr
URL — Up Relief Line
TWO — Transport & Works Order
GOT — GO Transit
DFO — Depot Facility Owner
ACE — Area Civil Engineer
MNC — Missouri North Central RR
CRLX — Conrail Leasing Co
SBGX — SCOULAR - BISHOP GRAIN CO.
LSTT — Lake Superior Terminal Transfer
AC&Y — Akron, Canton and Youngstown railroad
PNRR — Pennsylvania Northeastern
HAZOP — HAZard OPerability study
FMID — Florida Midland Railroad Company Incorpo
SPSR — San Pedro & Southwestern Railway Co
CVR — Cimarron Valley Railroad L.C.
HOPP — Head Of Property Projects
NPPR — Nez Perce-Pomeroy RR Co
MRCE — MRCE Dispolok GmbH

CACV — Cooperstown and Charlotte Valley Railroad
OCE — Oregon California & Eastern
ASDA — Asbestos & Danville
RAI — Right Away Indicator
IBJ — Insulated Block Joint
RTD — Regional Transportation District
WSL — Westinghouse Signals Ltd
ECR — Electrical Control Room
BA — Baltimore & Annapolis
EROS — Efficiency by means of the Rationalisation Of Signal
VIA — Via Rail Canada
BMH — Beaufort and Morehead Railroad Co
RII — Relay Interlocking Interface
NJRC — New Jersey Rail Carrier, LLC.
WGNS — Wisconsin Great Northern Railroad Inc
EXCO — Railtrack Line Executive Committee
AGLF — Knoxville and Holston River Railroad
CWWR — Chehalis Western Railroad
TK — Tuskegee R.R
RLCX — RELCO
TGM — Transport Gateway Metro
PFM — Projects Finance Manager
PLOD — Patrolman's Lookout Devicerailcons
ALS — Alton and Southern Railway
STN — Special Traffic Notice
SCR — Sydney Coal Railway
HESR — Huron and Eastern Railway Company
LB — Line Blocked
CFE — Chicago, Fort Wayne and Eastern
OC — Open Crossing
DQE — De Queen and Eastern Railroad Incorporat
ROR — Rules of the Route
PTS — Personal Track Safety (railway)
IU — Indianapolis Union
OPO — One Person Operation
ASPER — ASset PERformance database
CM — Central Montana Rail Incorporated
MIDS — Midlands
RDO — Relevant Delivery Organisation
PAF — Project Authority Form
RDMX — Ryder
BOTW — Botwood Railway
TCM — Time Cycle Maintenance
RIL — Railtrack Insurance Limited
FDEC — Ferrocariles de Cuba
FSR — Fort Smith Railroad Company
PCS&TE — Profit Centre Signal and Telecommunications Engineer
NPT — Portland Terminal R.R. Company
NCA — Nuevo Central Argentina
WFE — Western Fruit Express

RL — Relief Line
LNAC — Chattahoochee Bay Railroad, LLC
JCN — Job Cost NumberN
VXC — Virgin CrossCountry
NSS — Newburgh and South Shore Ry. Co.
GFR — Grand Forks Railway Company
AMP — Asset Maintenance Programme
STO — Senior Technical Officer
NAM — Namibia Railways
HOS — Hoosier Southern Railroad
RLEX — Republic Locomotive
DEL — Down Electric Line
RRIP — Route Relay Interlocking Processor
UWTF — Unprotected Wrongside Telecommunications Failure
OS — Ontario Southland Railway Inc.
SSG — Systems Strategy Group
REX — Railway Express Agency, Inc.
OP — Outside Party
SEMTA — South East Michigan Trans Auth
NPO — National Process Owner
CMC — CMC Railroad Incorporated
CHIP — Chemicals Hazard Information and Packaging regulations
UEPFP — Ferrobaires
GWH — Great Western Holdings
NY&GL — New York and Greenwood Lake railway
LITM — Local IT Manager
D&C — Design and Construction
DTS — Detroit & Toledo ShoreLine
BSE — Birmingham & Southeastern
RIP — Railtrack Investment Panel
MVRY — Mahoning Valley Ry
OPRAF — Office of Passenger Rail Franchising
NHB — National Harbours Board
VCC — Virgin Cross Country
AIM — Asset Information Manager
EPA — Engineering Publications Assistant
DAL — Down Avoiding Lane
CWCY — Caldwell Country Railroad
NIAJ — Niagara Junction Railway
R/T — RailTrack
SSW — St. Louis Southwestern
RPCX — Railroad Passenger Car Numbering Bureau
RO — Rail Operator
CSOR — Connecticut Southern Railroad
TCKR — Turtle Creek Industrial RR.Incorporated
RMPX — RailCar Limited
ALM — Arkansas Louisiana and Mississippi Railr
BIRR — Bellingham International Railroad LLC
DRHY — Durham Transport Incorporated
TRRY — Trillium railway

WARC — West Anglia Route Controller
WS — Ware Shoals RR
RIZ — Rock Island
GWWR — Gateway Western Railway
ACM — Area Contracts Manager
PCSE(W) — Profit Centre Signal Engineer (Works)
CE — Chicago and Erie railroad
AEEU — Amalgamated Electrical Engineering Union
STEP — Safety, Teamwork, Excellence, Professionalism
MS — Michigan Shore Railroad Incorporated
PPM — Panel Processor Module
GWR — Great Western RailwayRailCons
SMRR — Sisseton Milbank Railroad Incorporated
NAT — Not Applicable Timetable
CCC — Cowlitz, Chehalis, and Cascade Railway
API — Applications Interface
MNL — Mountain Laurel Railroad
SAP — Safety Assessment Panel
NHL — National Helm Leasing
PDS — Project Definition Stage
RRC — Respondek Railroad Corporation
GTRA — Golden Triangle Railroad
PTT — Public Timetable
GITM — Golden Isle Terminal RR
ESHR — Eastern Shore Railroad
RPRX — Rail Power Technologies
LD — Light Diesel locomotive
GKLX — Gold Kist, Inc.
CKSI — Carthage Knightstown and Shirley Railroad
EUCG — End User Computing Group
AO — Appalachian and Ohio
SRP — Station Regeneration Programme
AT — Auto-Train
TYBR — Tyburn Railroad Company
NYPANO — New York, Pennsylvania and Ohio railroad
WPSC — Wheeling Pittsburg Steel
AN — Apalachicola Northern Railroad
CWI — Chicago and Western Indiana Railroad
FGMR — Fruit Growers Express Company
TAW — Toledo, Angola and Western
RIG — Railway Industry Group
POV — Pittsburgh & Ohio Valley
SUAB — Southern Alabama RR
NOW — Northern Ohio & Western
HOG — Heart of Georgia Railroad
LVAL — Lackawanna Valley Railroad Corporation
PNCX — Precision National
NG — Normal Grade
CGR — CG Railway, Inc
MSO — Michigan Southern Railway

SPAG — Sponsors Agent
RA — Radio Agency
VSR — Valley & Siletz RR
WTCO — Western Transportation Company
GRR — Georgetown Railroad Company
WON — Weekly Operating Notice
LVRC — Lamoille Valley Railroad
CARW — Carolina Western Railroad
YAN — Yancy Railroad
PIMS — Programme Integrated Management System
RSNR — Red Springs & Northern
FC — Fair Condition
PESRCY — PassEnger Service Requirement Compliance Yardstick
AHB — Automatic Half Barrier level crossing
MSRW — Mississippian Railway Cooperative Incorporated
RAR — Railtrack Asset Register
FFTX — Florida Fun Train
AREA — American Rail Engineers and Maintenance Association
SOWC — Shows Occupied when Clear
PETS — Public Emergency Telephone System
CCRY — Charles City Rail Lines Incorporated
SIPS — Supplier Performance Monitoring System
UPL — Up Platform Line
OHPA — Ohio and Pennsylvania Railroad Company
IAMS — Integrated Asset Management System
SPS — Spokane, Portland, and Seattle
GLE — Grant Lyon and Eagre
HRS — Holidaysburg and Roaring Spring Railroad Company
TSRD — Twin State Railroad Company
SPADRAM — SPAD Reduction & Mitigation
RMRX — Great Canadian Railtours Co Ltd
AMR — Arcata And Mad River
CKIN — Chesapeke & Indiana
INOH — Indiana and Ohio Railroad Incorporated
TRT — Tshiuetin Rail Transportation
TSH — Tshiuetin Rail Transportation Inc
AFT — AMERICAN FREEDOM TRAIN FOUNDATION
INLX — Incoal Company
PNR — Panhandle Northern Railroad Company
PP — Period available for Possessions
BC — BARRE & CHELSEA RAILROAD
BITY — Penn Eastern Rail Lines Incorporated
ISM — Iecc System Monitor
DFG — Del Fungo Giera Servizi Ferroviari Srl
SNCT — Seattle & North Coast R.R. Co.
FIR — Flats Industrial Railroad Company
AGT — Automatic Guideway Transit
CWC — Charleston and Western Carolina
FJG — Fonda Johnstown & Gloversville RR
CUVA — ISG Cleveland Works Railway Company

TWE — Track Welding Engineer
IN — Indiana Northeastern Railroad
SCU — Signalling Compatibility Unit
SSR — Super Saver Return
RBLX — Brent C Lewis
PWSS — Permanent Way Section Supervisor
AEFR — Aurora Elgin and Fox River Electric
SIVS — Station Inspector Viewing System
NYPSC — New York State Public Services Commission
HVRR — Hocking Valley
DTP — Department of TransportRailCons
RFFSA — Rede Ferroviária Federal SA
IBIS — Internal Business Invoicing System
ASAB — Bay Line Railroad L.L.C
WRIX — Western Rail Incorporated
CRG — Contracts Review Group
CKRY — Central Kansas Railway Incorporated
IZ — Inter Zonal
PBNE — Philadelphia Bethlehem and New England R
IDT — Implementation, Development and Training
MAS — Multiple Aspect Signalling
BRENDA — BRidge ENgineer Data, computer system
IRRS — International Rail Road Systems Incorporated
SSISIM — Solid State Interlocking SIMulator
EMGTPA — Equivalent MillionGross Tonnes Per Annum
CNYK — Central New York Locomotive Company
CTR2 — Channel Tunnel Route 2
ACME — Acme Steel
PPTD — Powered Plant Training Disc Cutter And Class 9 Cutting Of Wheels
ALRMS — Access Level crossing Risk Management System
RICP — Rail Incident Control Post
MSL — Level crossing with Miniature Stop Lights
MON — Monon Route
DOP — Driver Only Passenger
ASBPC — Adjacent SignalBox Protocol Converter
DIRFT — Daventry International RailFreight Terminal
CNSM — CHICAGO NORTH SHORE & MILWAUKEE RWY
TSC — Track Section Cabin
LXVR — Luxapalia Valley
TCB — Track Circuit Block
ETB — Electronic Token Block
CWR — Continuously Welded Rail
CHRR — Chesapeake Railroad Company
CBCT — Communications Based Train Control
LNE — Lehigh and New England Railroad, Conrail
MGRI — MG Rail Incorporated
LTA — London Transport Authority
TXGN — Texas Gonzales and Northern Railway Comp
CLNA — Carolina Coastal Railway Incorporated
CH — CHiltern Railway Company

TAG — Track Access Grant
STRT — Stewartstown Railroad Company
SSTD — Solid State Train Describer
MNJ — Middletown & New Jersey Railroad
SFO — Station Facility Owner
POM — Port of Montreal
JPBX — Peninsula Corridor Joint Powers Board
MOW — Maintenance-Of-Way
ERTMS — European Railways Traffic Management System
WRHX — Creative Charters Inc
SCOT — Scotland
EFC — External Financing Contribution
PRIDE — Possession Resource Information DatabasE
TAN — Track Access Notice
MTNR — Mississippi Tennessee Railroad LLC
RDN — Railtrack Director's Nominee
TC — Track Circuit
PCM — Production Control Manager
PT — Peninsula Terminal Company
SRMX — Southeastern Railway
PVRX — Pook Valley Railroad
CI — Cambria and Indiana Railroad Company
NHIR — New Hope & Ivyland
IZPD — Inter–Zonal Possession Database
WTLR — West Texas and Lubbock Railroad Company
VWC — Virgin West Coast
NPW — Normal Place of Work
MTDX — Midwest Transportation & Development Cor
NEGS — New England Southern Railroad
DSL — Down Slow Line
MRR — Mid-Atlantic Railroad
BHX — Bank Holiday eXcepted
WBE — Wilkes-Barre and Eastern railroad
TNER — Texas Northeastern Division Mid-Michigan
SME — Signalling Maintenance Engineer
PAT — Port Auhority of Allegheny County
NIR — National Incident Register
RZD — Russian Railways
SSG — Standards Steering Group
TT — Time Table
WWV — Walla Walla Valley Railway
PM — Pere Marquette Railway
MA — Movement Authority
SRG — Safety Review Group
OLC — Occupation Level Crossing
EE — Ellis and Eastern Company
LE — Light Engine
VLR — Visitors Location Register
EFPL — Economical Facing Point Lock
SCRX — SOUTH CAROLINA PUBLIC RAILWAYS

SE — South Eastern
OWTX — Oneida & Western Transportation
RTP — Real Time Protocols
CRLE — Coe Rail Incorporated
MTRC — MassTransit Railway Corporation
PRM — PRocurement Manager
NFTA — Niagara Frontier Transit Authority
NLLX — Northern Line Layers
RED — Railtrack Energy Database
AWG — Adhesion Working Group
FRW — Feather River & Western
CIMU — Central Infrastructure Maintenance Unit
CBR — Coos Bay Rail Link
NHVT — New Hampshire and Vermont Railroad Company
TMERL — The Milwaukee Electric Railway
WTRM — Warren and Trumbull Railroad Company
EROS — Early Rationalisation Of Signalling
GSF — Georgia Southern and Florida Railway Company
DM — Deutsche Mark RailCons
LA — Lousiana and Arkansas
CONW — Colorado & North Western
CB&Q — Chicago, Burlington and Quincy railroad
WCRC — Washington Central Railroad
RV — Rahway Valley R.R.
MIDH — Middletown and Hummelstown RR Company
IFS — Independent Function Switch
SO — South Orient
JJRD — J and J Railroad Incorporated
DEKA — DeKalb Agra
SLRS — SMS Rail Service Incorporated
CRS — Carolina Rail Service
SICA — Signalling Infrastructure Condition Assessment
UTU — Ultrasonic Test Unit
NASG — National Applications Support Group
TCS — Train Crew Supervisor.
LEF — Lake Erie Franklin and Clarion Railroad Company
TARDIS — TOPS Ancillary Retrospective Data Information Service
MARC — Maryland Transit Administration
KVA — Kilovoltampere
NCL — Northern City Line
CLCR — Cadillac & Lake City RR
CCCL — Connecticut Central Railroad Company
SETA — Signalling Eqipment Technical Agent
HOE — Head Of Engineering
WTRY — Wilmington Terminal Railroad Incorporated
TIR — Transports Internationaux Routiers
GGS — Georgia Great Southern Division South Carolina Central Railro
NICD — Northern-Indiana Commuter Transportation
RLK — RailAmerica Ottawa Valley Railway
QT — Quaboag Transfer Incorporation

HV — High Visibility
TRRY — Trillium Railway Co. Ltd.
EAMG — Engineering Access Management Group
CZRY — Carrizo Gorge Railway Inc.
CDL — Central Door Locking
LTP — Local Transport Plans
LAFX — LaFarge Corporation
PMS — Perry Monroe Shoemaker
HPTD — High Point Thomasville and Denton Railroad
SNDX — Sound Transit
CILT — Centre for Independent Transport Research
CA — Cables and Accessories
AEWZ — Erie Western
RE&TA — Real Estate and Tax Agent
GSAG — Glacier Sand & Gravel
SE — Semo Port Railroad Incorporated
LGV — Ligne A Grande Vitesse
MSC — Metropolitan Stevedore
SFT — Stress Free Temperature
NSE — Network South EastRailCons
SIN — Site Instruction Notice
EA — East Anglian
BVL — Bound Valuation Ledger
JRS — Johnson Rail Services
IMCO — Infrastructure Maintenance COmpany
VE — Valuation Engineer
PD — Project Delivery
DPM — Development Planning Manager
MPU — Motive Power Unit
TP — Texas & Pacific
JS1 — basic signalling cable jointing and testing
TL2000 — ThamesLink 2000
YB — Youngstown Belt Railroad Company
ALY — Allegheny and Eastern Railroad Incorpora
IAIS — Iowa Interstate Railroad
GNBC — Grainbelt Corporation
QNSL — Quebec, North Shore and Labrador
PLE — Pittsburgh & Lake Erie
HLSC — Hampton Railway Incorporated
ARN — Alberta RailNet Incorporated
ODT — One Day Travelcard
SAV — Sacramento Valley
ICM — Infrastructure Contracts Manager
PMSC — Perry Monroe Shoemaker Collection
TRC — Infrastructure track Renewal Company
OSG — Operation Safety Group
RTG — RailTrack Group PLCRailCons
ASRW — Allegheny Southern Ry.
RES — Rail Express SystemsRailCons
SINCS — Signalling Incident System

ALR — Alan Richie Incorporated
SITS — Security Incident Tracking System
MB — Meridian & Bigbee
DAT — Delta Alaska Terminal
EMU — Electric Multiple Unit
ORR — Osage Railroad
NLL — North London Line
PER — Portable Equipment Room
DALT — Dallas Terminal Railway
NCTR — North Central Texas Railroad
CMD — Central Materials Depot
CLK — Cadillac & Lake City
YDC — Yankeetown Docks
TLC — Telephone protection only Level Crossing
WW — Winchester & Western
DKS — Union Pacific Railroad Company
UML — Up Main Line
NYLE — New York and Lake Erie Railroad Company
OCS — One Control Switch
MDW — Minnesota Dakota and Western Railway Com
TRAMM — Track Renewal And Maintenance Machine
HRR — Hondo Railroad
IRRC — Iowa R.R. Co.
DSRR — Delta Southern RR
LCRC — Lenawee County Railroad
PULL — Pullman
CISD — Golden Isles Terminal Railroad
IVS — Infrastructure Video System
OVR — Otter Valley Railroad
VMVX — VMV Enterprises, Inc
ICM — Internal Communications Manager
NHN — New Hampshire Northcoast Corporation
ACWR — Aberdeen, Carolina & Western Rwy
PIR — Pittsburgh Industrial Railroad Incorpora
SVP — Safety Verification Plan
NYABC — New York Air Brake Company
NPTR — Northwood Pulp and Timber, Ltd.
FEVR — Fremont & Elkhorn Valley Railroad
BRAN — Brandon Rail
LINC — Lewis and Clark Railway Company
RISSC — Railway Industry Safety Strategy Comittee
DGPS — Differential Global Positioning by Satellite
HL — Helm Leasing
NDM — Network Development Manager
CMN — Chicago, Madison & Northern Railway
TMO — Train crew Manually Operated
ONW — Oregon & Northwestern
ONE — London Eastern Railway Ltd.
NOL — Notice of Liability
CHAT — Chattahoochee & Gulf

ARA — Arcade and Attica Railroad Corporation
CRGX — Cargill Incorporated
SCBG — Santa Cruz Big Trees & Pacific
SZ — Slovenske železnic
MWRX — Midwest Rail Holdings Incorporated