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
ASC: Area Signalling Centre
ATC: Automatic Train Control
ATO: Automatic Train Operation
ATP: Automatic Train Protection
AWS: Automatic Warning System
BR: British Rail
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
DRA: Driver Reminder Appliance
DTG-R: Distance to Go Radio
DOO: Driver Only Operation
ESDC: Emergency Saloon Door Control
ESR: Emergency Speed Restriction
ETCS: European Train Control System
ETRMS: European Rail Traffic Managment System
FOC: Freight Operating Company
GSM-R: Global System for Mobile Communications – Railway
HST: High Speed Train
IECC: Intergrated Electronic Control Centre
IET: Intercity Express Train
LOS: Limit of Shunt
LUL: London Underground Limited
MOM: Mobile Operations Manager
NR: Network Rail
NRN: National Radio Network
OPO: One Person Operation
PEA: Passenger Emergency Alarm
PED: Platform Edge Doors
PIS: Passenger Information System
PRM: Persons with Reduced Mobility
PSB: Power Signal Box
PSD: Platform Screen Doors
PSR: Permanent Speed Restriction
REC: Railway Emergency Call
ROC (SimSig): Railway Operating Centre
ROC (Network Rail): Rail Operating Centre
RVAR: Rail Vehicle Accessibility Regulation
SPAD: Signal Passed At Danger
SSR: Sub-Surface Railway
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
TOC: Train Operating Company
T/Op: Train Operator
TOPS: Total Operations Processing System
TPWS: Train Protection and Warning System
TSI: Technical Specifications for Interoperability
TSR: Temporary Speed Restriction
WDM: Wrong Direction Move