Bradshaw:Glossary

Not everyone knows all the hundreds of rail-specific acronyms and initialisms, so if any pop up in conversation on the Discord server, add them and their meaning below so others can look them up.

Please keep these in alphabetical order so it is easy to find a specific term.

4LM: Four Lines Modernisation programme

ARS: Automatic Route Setting

ASC: Area Signalling Centre

ATC: Automatic Train Control

ATO: Automatic Train Operation

ATP: Automatic Train Protection

AWS: Automatic Warning System

BR: British Rail

BTP: British Transport Police

CAPE: Cancelled At Point of Entry

CBTC: Communications Based Train Control

CIS: Customer Information System

CSA: Customer Service Assistant

CSDE: Correct Side Door Enable

CSR: Cab Secure Radio

DCO: Driver Controlled Operation

DCV: Door Closed Visual

DDA: Disability Discrimination Act

DLR: Docklands Light Railway

DRA: Driver Reminder Appliance

DTG-R: Distance to Go Radio

DOO: Driver Only Operation

ERU: Emergency Response Unit

ESDC: Emergency Saloon Door Control

ESR: Emergency Speed Restriction

ETCS: European Train Control System

ETRMS: European Rail Traffic Managment System

FOC: Freight Operating Company

GoA: Grade of Automation

GSM-R: Global System for Mobile Communications – Railway

HS1: High Speed 1

HS2: High Speed 2

HST: High Speed Train

IECC: Intergrated Electronic Control Centre

IET: Intercity Express Train

IoW: Isle of Wight

JLE: Jubilee Line Extension

KYT: Know Your Train

LO: London Overground

LOS: Limit of Shunt

LOM: Limit of Movement

LPTB: London Passenger Transport Board

LRT: London Regional Transport

LT: London Transport

LTM: London Transport Museum

LTP: Long Term Plan

LUL: London Underground Limited

MOM: Mobile Operations Manager

NR: Network Rail

NRM: National Railway Museum

NRN: National Radio Network

NSE: Network South East

OOL: On Our Lines (This project)

OPO: One Person Operation

PEA: Passenger Emergency Alarm

PED: Platform Edge Doors

PIS: Passenger Information System

PRM: Persons with Reduced Mobility

PSA: Passenger Service Agent

PSB: Power Signal Box

PSD: Platform Screen Doors

PSR: Permanent Speed Restriction

PTI: Platform Train Interface

PTS: Personal Track Safety

REC: Railway Emergency Call

RGI: Rail Gap Indicator

ROC (SimSig:Sessions): Railway Operating Centre

ROC (Network Rail): Rail Operating Centre

RSF: Right Side Failure

RTT: Real Time Trains

RVAR: Rail Vehicle Accessibility Regulation

SATS: Staff Assisted Train Services

SotD: Signal of the Day

SPAD: Signal Passed At Danger

SPAR: Signal Passed At Red

SPAS: Signal Passed At Stop

SSR: Sub-Surface Railway

STP: Short Term Plan

TBC: Traction Brake Controller

TBTC: Transmission Based Train Control

TC: Track Circuit

TCF: Track Circuit Failure

TD: Train Describer

TD (London Underground): Train Description

TfGM: Transport for Greater Manchester

TfL: Transport for London

TfW: Transport for Wales

TMS: Train Management System

TOC: Train Operating Company

T/Op: Train Operator

TOPS: Total Operations Processing System

TPS: Train Planniong System

TPWS: Train Protection and Warning System

TS: Tube Stock

TSC: Transport Strategy Centre

TSF: Track Section Failure

TSI: Technical Specifications for Interoperability

TSR: Temporary Speed Restriction

TYT: Track Your Train

UTO: Unattended Train Operation

VAR: Varied Timetable

VSTP: Very Short Term Plan

WSF: Wrong Side Failure

WSL: Wrong Signal Lowered

WDM: Wrong Direction Move

WTT: Working Timetable