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 Project

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: Dockalnds Light Railway

DTG-R: Distance to Go Radio

ESDC: Emergency Saloon Door Control

ESR: Emergency Speed Restriction

GSM-R: Global System for Mobile Communications – Railway

HST: High Speed Train

LOS: Limit of Shunt

LTM: London Transport Museum

NR: Network Rail

PEA: Passenger Emergancy Alarm

PED: Platform Edge Doors

PIS: Passenger Information System

PSR: Permanent Speed Restriction

SPAD: Signal Passed At Danger

SSR: Subsurface Railway

TBC: Traction Brake Controller

TBTC: Transmission Based Train Control

TD: Train Discriber

TfGM: Transport for Greater Manchester

TfL: Transport for Greater London

T/Op: Train Operator

TPWS: Train Protection and Warning System

TSR: Temporary Speed Restriction