A |
Amps (electricity) |
AB |
Absolute Block (signalling) |
AB |
Air Brakes |
AB |
Andrew Barclay (locomotive builder) |
AC |
Alternating Current (electricity) |
ABS |
Air Braked Stock |
AEI |
|
AFI |
Accelerated Freight Inshot (type of vacuum brake) |
AHB |
Automatic Half Barrier (level crossing) |
APT |
Advanced Passenger Train |
APT-E |
Advanced Passenger Train - Experimental (Gas Turbine Powered) |
APT-P |
Advanced Passenger Train - Prototype (Electric Powered) |
ATC |
Automatic Train Control |
ATP |
Automatic Train Protection |
APTIS |
Accountancy and Passenger Ticket Issuing System |
ATW |
Arriva Trains Wales |
AWS |
Automatic Warning System |
B & MR |
Brecon and Merthyr Railway |
BG |
Brake, Gangwayed |
BHP |
Brake Horse Power |
BR |
British Railways or Rail |
BRCW |
Birmingham Railway Carriage and Wagon |
BREL |
British Rail Engineering Limited |
BREL |
Bedale Rail Engineering Limited |
BTC |
British Transport Commission |
C1 |
Route restriction for BR mark 1 and 2 coaches |
C2C |
Commitment 2 Customers (London, Tilbury & Southend) |
C3 |
Route restriction for BR mark 3 coaches |
C & W |
Carriage and Wagon |
CCT |
Covered Carriage Truck |
CE |
Civil Engineer |
CH |
Chiltern Railways |
CPn |
Control Period (for Network Rail funding over five years) where 'n' a number |
CR |
Caledonian Railway |
CR |
Cambrian Railway |
CR |
Cardiff Railway |
CT |
Central Trains |
CTRL |
Channel Tunnel Rail Link |
DB |
Deutsche Bundesbahn (German state-owned railways) |
DBSO |
Driving Brake Second Open |
DC |
Direct Current (electricity) |
DCE |
Divisional Civil Engineer |
DE |
Diesel Electric (transmission) |
DEMU |
Diesel Electric (transmission) Multiple Unit |
DfT |
Department for Transport |
DH |
Diesel Hydraulic (transmission) |
DH |
Dual Heat |
DM |
Diesel Mechanical (transmission) |
DMU |
Diesel Multiple Unit |
DMMU |
Diesel Mechanical (transmission) Multiple Unit |
DRS |
Direct Rail Services |
DVT |
Driving Van Trailer (Class 82) |
ECML |
East Coast Mainline |
ED |
Electro-Diesel |
ED |
Engineering Department |
EE |
English Electric (locomotive builder) |
EMT |
East Midlands Trains |
EMU |
Electric Multiple Unit |
EP |
Electro-Pneumatic (locomotive and multiple passenger unit control system) |
ER |
Eastern Region (of BR) |
ERTMS |
European Rail Traffic Management System (in-cab signalling) |
ETH |
Electric Train Heating |
EWS |
English Welsh and Scottish Railway Limited |
FASTIS |
Flexible and Secure Ticket Issuing System |
FP |
Fuel Point |
GBRf |
GB Railfreight |
GNER |
Great North Eastern Railway |
GUV |
General Utility Van |
GWR |
Great Western Railway |
H-B |
Hunslet-Barclay (locomotive builder) |
HNRC |
Harry Needle Railroad Company |
HP |
Horse Power |
HS1 |
High Speed 1 |
HST |
High Speed Train (Class 43) |
HST2 |
High Speed Train 2nd Generation (see IEP) |
IEC |
Intercity East Coast |
IEP |
Intercity Express Programme (see HST2) |
ISO |
International Standards Organization |
IWC |
Intercity West Coast |
IXC |
Intercity Cross Country |
Km/h |
Kilometres per Hour |
kW |
Kilowatts |
LCD |
Liquid Crystal Display (instrument panels) |
LED |
Light Emitting Diode (signalling and instrument panels) |
LIP |
Locomotive Inspection Point |
LM |
London Midland |
LMR |
London Midland Region (of BR) |
LMS |
London Midland and Scottish Railway |
LNER |
London and North Eastern Railway |
LSE |
London and South Eastern sector |
LT |
London Transport |
LT & SR |
London, Tilbury & Southend Railway |
LUL |
London Underground Limited |
LW |
Lightweight (passenger multiple units) |
m |
Meters |
M & SWJR |
Midland and South Western Junction Railway |
MAS |
Multiple Aspect Signalling (colour lights) |
MCW |
Metro-Cammell (rolling stock builder) |
MHB |
Manual Half Barrier (level crossing) |
mm |
Millimetres |
MML |
Midland Main Line |
MoD |
Ministry of Defence |
mph |
Miles Per Hour |
MU |
Multiple Unit |
MW |
Multiple Working |
NBL |
North British Locomotives Limited |
NER |
North Eastern Railway |
NER |
North Eastern Region (of BR) |
NPCCS |
Non-Passenger-Carrying Coaching Stock |
NSE |
Network Southeast |
NXEA |
National Express East Anglia |
NXEC |
National Express East Coast |
OHLE |
Overhead Live Equipment (electrified wires) |
OLE |
Overhead Live Equipment (electrified wires) |
ORR |
Office of the Rail Regulator |
PAD |
Pre-Assembly Depot |
PERTIS |
Permit to Travel Issuing System |
PT |
Pannier Tank |
PTE |
Passenger Transport Executive |
PW |
Permanent Way |
t |
Tonnes |
T |
Side Tank |
T & RSD |
Traction and Rolling Stock Depot |
TCB |
Track Circuit Block (signalling) |
TDM |
Time Division Multiplexing |
TI |
Tration Insepctor |
TMD |
Traction Maintenance Depot |
TMIS |
Train Movement Information System |
TOPS |
Total Operations Processing System |
TPO |
Travelling Post Office |
TPWS |
Train Protection and Warning System |
TSR |
Temporary Speed Restriction |
UIC |
International Union of Railways |
V |
Volts (electricity) |
VB |
Vacuum Brakes |
VDU |
Visual Display Unit (monitor or screen) |
VT |
Virgin Trains |
WB |
Wheelbase |
WCML |
West Coast Mainline |
WD |
War Department |
WMR |
West Midland Railway |
WR |
Western Region (of BR) |
WSMR |
Wrexham and Shropshire Marylebone Railway Company |
WT |
Well Tank |
XP |
Express Passenger |
YEC |
Yorkshire Engine Company (locomotive builder) |