ACI: Allied Continental Intermodal
ACTO: Association of Charter Train Operators
AHB: Automatic Half Barriers
ANY: Athabasca Northern Railway
APTIS: All Purpose Ticket Issuing System
ARN: Alberta RailNet
ARND: Chemin de fer Arnaud
ATB: Automatic Ticket Barrier
ATC: Angel Train Contacts
ATOC: Association of Train Operating Companies

ATP: Automatic Train Protection
ATT: Advanced Tilting Train
BCRY: Barrie-Collingwood Railway
BNS: Birmingham New Street
BRBS: British Rail Business Systems
BRUTE: British Railways Universal Trolley Equipment
CBC: Chemin de fer Baie des Chaleurs
CCFG: Chemin de fer Gaspésie
CDR: Cheap Day Return
CFL: Chemin de fer Lanaudière
CFMG: Chemin de fer de la Matapédia et du Golfe
CFQC: Quebec Central railway
CFQG: Quebec Gatineau railway
CFRR: Romaine River railway
CIP: Core Investment Program
COBA: Cost Benefit Analysis
CSE: Connex South Eastern
CTL: Combined Transport Limited

CTRL: CHANNEL TUNNEL RAIL LINK

DEMU: Diesel Electric Multiple Unit
DMU: Diesel Multiple Unit

DVT: driving van trailer
Emcar: Empty Carriages
ETH: Electric Train Heating
ETR: Essex Terminal railway
EWS: English Welsh and Scottish railway
FTR: Forward Trust Rail
FURNO: Further Notice
GBTT: Great Britain Timetable
GER: Great Eastern Railway