Bradshaw:Glossary

Not everyone knows all the hundreds of rail-specific acronyms, 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

ATC: Automatic Train Control

ATO: Automatic Train Operation

ATP: Automatic Train Protection

AWS: Automatic Warning System

CBTC: Communications Based Train Control

CIS: Customer Information System

CSA: Customer Service Assistant

CSDE: Correct Side Door Enable

DCV: Door Closed Visual

DLR: Docklands Light Railway

DRA: Driver Reminder Appliance

DTG-R: Distance to Go Radio

ESDC: Emergency Saloon Door Control

ESR: Emergency Speed Restriction

ETCS: European Train Control System

ETRMS: European Rail Traffic Managment System

GSM-R: Global System for Mobile Communications – Railway

HST: High Speed Train

LO: London Overground

LOS: Limit of Shunt

LTM: London Transport Museum

LUL: London Underground Limited

NR: Network Rail

PEA: Passenger Emergency Alarm

PED: Platform Edge Doors

PIS: Passenger Information System

PSD: Platform Screen Doors

PSR: Permanent Speed Restriction

REC: Railway Emergency Call

ROC: Railway Operating Centre

ROC: Rail Operating Center

SPAD: Signal Passed At Danger

SSR: Subsurface Railway

T/Op: Train Operator

TBC: Traction Brake Controller

TBTC: Transmission Based Train Control

TD: Train Describer

TD: (London Underground: Train Description)

TfGM: Transport for Greater Manchester

TfL: Transport for London

TPWS: Train Protection and Warning System

TSR: Temporary Speed Restriction

WDM: Wrong Direction Move