Bradshaw:Glossary

From Bradshaw, the companion guide to On Our Lines
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For three-letter station codes, see CRS codes.
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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.


0-9

  • 4LM: Four Lines Modernisation programme
  • 4 Foot The space between the two running rails on a section of track
  • 6 Foot The area between a pair of running lines
  • 10 Foot The area between two pairs of running lines

A

  • ACOA: Adverse Change Of Aspect
  • ARL: Arriva Rail London
  • ARS: Automatic Route Setting
  • ASC: Area Signalling Centre
  • ATC: Automatic Train Control
  • ATO: Automatic Train Operation
  • ATOC: Association of Train Operating Companies
  • ATP: Automatic Train Protection
  • ATW: Arriva Trains Wales
  • AWC: Avanti West Coast
  • AWS: Automatic Warning System

B

The British Rail 'Arrows of Indecision'.

C

  • C+H: Circle and Hammersmith & City lines
  • CAPE: Cancelled At Point of Entry
  • CAWS: Continuous Automatic Warning System
  • CBTC: Communications Based Train Control
  • Cess: The area along either side of a railway line which is kept at a lower level than the sleeper bottom, in order to provide drainage.
  • CIS: Customer Information System
  • CM: Coded Manual
  • CoT: Close of Traffic
  • CR: Chiltern Railways
  • CRS: Computer Reservation System
  • CS: Caledonian Sleeper
  • CSA: Customer Service Assistant
  • CSDE: Correct Side Door Enable
  • CSL2: Customer Service Level 2
  • CSR: Cab Secure Radio

D

Tower Gateway station of the Docklands Light Railway in East London.
  • DCO: Driver Controlled Operation
  • DCV: Door Closed Visual
  • DDA: Disability Discrimination Act
  • DLR: Docklands Light Railway
  • DOO: Driver Only Operation
  • DRA: Driver Reminder Appliance
  • DTG-R: Distance to Go Radio
  • DVA: Digital Voice Announcer

E

Eurostar class 374 at Amsterdam Centraal

F

G

A Greater Anglia class 745 FLIRT intercity train.

H

Hull Trains class 802 Intercity Express Train

I

  • IC: Intercity
  • IECC: Intergrated Electronic Control Centre
  • IEP: Intercity Express Program
  • IET: Intercity Express Train
  • IMR: Interlocking Machine Room
  • IoW: Isle of Wight

J

Canada Water station on the Jubilee Line Extension including Platform Edge Doors
  • JLE: Jubilee Line Extension

K

  • KYT: Know Your Train

L

Locomtive Services Limited Blue Pulman Liveried High Speed Train

M

Metropolitan Railway electric locomotive Sarah Siddons

N

O

  • OA: Open Access
  • OCS: Overhead Contact System
  • OLE: Overhead Line Equipment
  • ORR: Office of Rail and Road
  • OOL: On Our Lines (This project)
  • OPO: One Person Operation

P

British Rail PEP unit
  • PEA: Passenger Emergency Alarm
  • PED: Platform Edge Doors
  • PEP: Prototype Electro Pneumatic Train
  • PIS: Passenger Information System
  • PLPR (1-4): Plain Line Pattern Recognition
  • PM: Protected Manual
  • 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

Q

R

Rail Head Treatment Train
  • RAIB Rail Accident Investigation Branch
  • RAT: Rail Adhesion Train
  • RDG: Rail Delivery Group
  • REC: Railway Emergency Call
  • RGI: Rail Gap Indicator
  • RHTT: Rail Head Treatment Train
  • RM: Restricted Manual
  • ROC (Network Rail): Rail Operating Centre
  • ROC (SimSig:Sessions): Railway Operating Centre
  • RSF: Right Side Failure
  • RSSB: Rail Safety and Standards Board
  • RTT: Real Time Trains
  • RVAR: Rail Vehicle Accessibility Regulation

S

A ScotRail class 320
  • SATS: Staff Assisted Train Services
  • SCAT: Speed Control After Tripping
  • SCC: Service Control Centre
  • SCL1: Service Controller Level 1
  • SCL2: Service Controller Level 2
  • ScR: ScotRail
  • SE: Southeastern
  • SMA (0.5-14): Signal Migration Area
  • SN: Southern Rail
  • SoT: Start of Traffic
  • SotD: Signal of the Day
  • SPAD: Signal Passed At Danger
  • SPAR: Signal Passed At Red
  • SPAS: Signal Passed At Stop
  • SPT: Signal Post Telephone
  • SR: ScotRail
  • SRAWS: Signal Repeating Automatic Warning System
  • SSO: Special Stop Order
Moorgate Station on London Underground's Sub-Surface Railway

T

Thameslink's Trainbow 700155.
London Underground 1938 Tube Stock at Amersham on a rail tour
  • TRTS: Train Ready To Start
  • TRU: Track Recording Unit
  • TRV: Track Recording Vehicle
  • TS: Tube Stock
  • TSC: Transport Strategy Centre
  • TSF: Track Section Failure
  • TSI: Technical Specifications for Interoperability
  • TSR: Temporary Speed Restriction
  • TSW: Train Sim World
  • TTN: Timetable Notice
  • TYT: Track Your Train

U

  • UERL: Underground Electric Railway Company of London
  • UTO: Unattended Train Operation

V

W

West Midlands Railway's class 139 Parry People Mover on the Stourbridge Town branch line.

X

  • XC: Cross Country
  • XR: Crossrail

Y

Z

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