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SEG Glossary

3142 Preserved 4Cor unit owned by the SEG
10096 Trailer coach from Cor unit 3142 owned by the SEG
11161 Motor coach from Cor unit 3142 (originally in 3065) owned by the SEG
11179 Motor coach from Cor unit 3131 in National Railway Museum York
11187 Motor coach from Cor unit 3135 on long term loan to the SEG
11201 Motor coach from Cor unit 3142 owned by the SEG
11825 Trailer coach from Cor unit 3142 (originally in 3135) owned by the SEG
12529 Trailer coach from Buf unit 3085 (was part of the National Railway Museum collection).
27 way SR designed multiple unit system of 27 wires
2Bil 1930s built two car semi-fast or outer suburban emu, all withdrawn
2EPB 1950s built two car suburban emu, all withdrawn
2Hal 1930s built two car semi-fast or outer suburban emu, all withdrawn
2Hap 1950s built two car semi-fast or outer suburban emu, all withdrawn
2Nol 1930s built two car suburban emu, all withdrawn
2Pan two car parcels emu temporary conversion 1970s from 2Hal stock, all withdrawn
2Pep 1970s built two car prototype high density emu (basis for Class 508), all withdrawn
2Sap 1950s built two car semi-fast or outer suburban emu, all withdrawn
2SL 1920s built early two car suburban emu code South London, all withdrawn
2Wim 1920s built early two car suburban emu code Wimbledon, all withdrawn
3Cep three car express emu converted 1990s from 4Cep stock in service 1999
3Cop three car express emu converted 1990s from 4Cig stock in service 1999
3Sub 1920s built early three car suburban emu, all withdrawn
3TC 1960s built three car express trailer set used with 4Rep, all withdrawn
4Bep 1950s built four car express emu used with 4Cep heavily refurbished 1980s in service 1999
4Big 1960s built four car express emu used with 4Cig in service 1999
4Buf 1930s built four car express emu used with 4Cor, all withdrawn
4Cap four car semi-fast unit 1980s two 2Hap permanently coupled, all withdrawn
4Cep 1950s built four car express emu all units heavily refurbished 1980s in service 1999
4Cig 1960s built four car express emu many units reformed 1980s and 1990s in service 1999
4COM four car suburban emu 1980s recode of 4EPB, all withdrawn
4Cor 1930s built four car express emu, all withdrawn. Unit 3142 is preserved by the SEG
4DD 1940s built prototype four car double deck suburban emu, all withdrawn
4EPB 1950s built four car suburban emu, all withdrawn
4Gri 1930s built four car express emu converted from 4Res emu, all withdrawn
4Lav 1930s built four car semi-fast or outer suburban emu, all withdrawn
4Tep 1990s temporary formation refurbished Cep stock with unrefurbished Bep buffet
4Pep 1970s built four car prototype suburban emu, all withdrawn
4Rep 1960s built four car express Mk I based emu used with 4TC, all withdrawn
4Res 1930s built four car express emu, all withdrawn
4SRKT Diesel engine model used in EDL Class 73 and demu Class 205 and 207
4Sub 1940s built four car suburban emu, all withdrawn
4TC 1960s built four car express Mk I based trailer set used with 4Rep, all withdrawn
4Veg four car semi-fast emu temporary 1970s 4Vep recode
4Vep 1960s built four car semi-fast or outer suburban Mk I based emu in service 1999
4Vop four car semi-fast emu 1990s conversion from 4Vep in service 1999
5Bel 1930s built five car all Pullman express emu, all withdrawn all cars survive 1999
5TCB five car trailer set 1980s temporary 4TC reformation, all withdrawn
5Wes 1980s built Mk III based five car express emu in service 1999
6Cit 1930s built six car express unit reformed into 6Pul/6Pan, all withdrawn
6Cor six car express unit 1960s temporary Pan/Cor stock, all withdrawn
6Pan 1930s built six car express unit used with 6Pul, all withdrawn
6Pul 1930s built six car express unit used with 6Pan, all withdrawn
6TC 1930s built six car push-pull test set withdrawn
6YJXL diesel engine model used in Class 74 electro-diesel now withdrawn
8Dig eight car express emu temporary 1990s Cig/Big reformations
8LDA diesel engine model used in Class 33 diesel locomotive now withdrawn
8Mig eight car express emu temporary 1980s Cig reformations
8Vab eight car express emu temporary 1970s Vep reformation
A Ampere, unit measure of electrical current
A60 LU train type used on East London line in the Southern Electric area
AC alternating current
Adtranz Train manufacturer
Alstom Train manufacturer
Angel A ROSCO
AWS Automatic Warning System advising driver of status of certain signal types
Bel stock type Brighton Belle
Bep stock type Buffet electro-pneumatic (Kent Coast stock) BR Mk I body style with buffet
Big stock type Buffet Brighton (1960s) BR Mk I body style with buffet
Bil stock type bi-lavatory (1930s semi fast), all withdrawn
BoBo electric or diesel locomotive with two powered two axle bogies
BR British Rail brand name for British Railways British Railways nationalised railway from SR LMSR GWR LNER, predecessor to the current National Railways system
BR SR British Railways Southern Region 1948 successor to Southern Railway
Brighton Belle all Pullman express train that used to run between Brighton and London
Brush electric traction equipment supplier
BTC British Transport Commission 1950s body that used to oversee BR
BTH British Thomson Houston former electric traction equipment supplier
Buf stock type Buffet (1930s express), all withdrawn
C69 LU train type used on District Line in Southern Electric area
Cap Coastway Hap stock, all withdrawn
CCE Chief Civil Engineer
CD Central Division (of BR SR), now part of Southern Zone of Network Rail
Cep Corridor electro-pneumatic (Kent Coast stock) BR Mk I body style
Cig stock type Corridor Brighton (1960s) BR Mk I body style
Cit stock type City (1930s express)
Class 33 TOPS code 1960s built BoBo BR SR specified diesel electric locomotive
Class 37 TOPS code 1960s built CoCo BR diesel electric freight and infrastructure locomotive
Class 47 TOPS code 1960s built CoCo BR diesel electric general purpose locomotive
Class 50 TOPS code 1960s built CoCo diesel electric locomotive used on Waterloo-Exeter service, all withdrawn
Class 66 TOPS code EWS specified 1990s built CoCo freight diesel locomotive in service 1999
Class 70 TOPS code SR built 1940s electric locomotive, all withdrawn
Class 71 TOPS code BR SR specified 1950s Kent Coast electric locomotive, all withdrawn
Class 73 TOPS code BR SR specified 1960s electro-diesel locomotive
Class 74 TOPS code 1960s rebuild of Class 71 into electro-diesel locomotive all withdrawn
Class 92 TOPS code EWS operated 1990s built dual voltage CoCo electric locomotive for Channel Tunnel freight
Class 159 TOPS code 1990s built three car semi-fast diesel unit used on Waterloo Exeter in service 1999
Class 201 TOPS code 1950s built 6S six car demu short underframe narrow body for Hastings line, all withdrawn
Class 202 TOPS code 1950s built 6L six car demu long underframe narrow body for Hastings line, all withdrawn
Class 205 TOPS code 1950s built 3H three car demu in service 1999
Class 207 TOPS code 1960s built 2D/3D two/three car demu in service 1999
Class 313 TOPS code 1970s three car high density unit on West London line in Southern Electric area
Class 319 TOPS code 1990s built Mk III based four car outer suburban dual voltage Thameslink unit
Class 325 TOPS code 1990s built four car Royal Mail dual voltage postal unit
Class 332 TOPS code 1990s built four car express unit used on Heathrow Express
Class 365 TOPS code 1990s built outer suburban dual voltage Networker unit
Class 373 TOPS code 1990s built Eurostar set for Channel Tunnel passenger services
Class 375 TOPS code CSE specified 1990s built four car main line unit
Class 401 TOPS code 2Bil
Class 404 TOPS code 4Cor
Class 405 TOPS code 4Sub
Class 410 TOPS code 4Bep unrefurbished
Class 411 TOPS code 4Cep unrefurbished and refurbished; 3Cep
Class 412 TOPS code 4Bep refurbished
Class 413 TOPS code 4Cap
Class 414 TOPS code 4Hap
Class 415 TOPS code 4EPB
Class 416 TOPS code 2EPB
Class 418 TOPS code 2Sap
Class 419 TOPS code MLV
Class 420 TOPS code 4Big original configurations
Class 421 TOPS code 4Cig; 3Com
Class 422 TOPS code 4Big reformed configurations
Class 423 TOPS code 4Vep and 4Vop
Class 424 TOPS code projected Networker Classic rebuilding programme which has not actually taken place
Class 430 TOPS code 4Rep before rebuild
Class 431 TOPS code 4Rep after rebuild without buffet car
Class 438 TOPS code 4TC
Class 442 TOPS code 5Wes
Class 455 TOPS code BR SR specified 1980s built Mk III based four car high density suburban unit
Class 456 TOPS code BR SR specified 1980s built Mk III based two car high density suburban unit
Class 458 TOPS code SWT specified outer suburban four car unit due to start in service in 2000
Class 460 TOPS code GEx Juniper series EMU
Class 465 TOPS code NSE specified 1990s built four car Networker suburban unit
Class 466 TOPS code NSE specified 1990s built two car Networker suburban unit
Class 488 TOPS code BR Mk II 1970s built express trailer 1980s Gatwick Express stock
Class 489 TOPS code GLV converted from Hap stock for 1980s Gatwick Express
Class 508 TOPS code BR specified 1970s four car high density suburban unit, subsequently reduced to three car
Class 930 TOPS code departmental unit
Class 931 TOPS code departmental unit in service 1999
Class 932 TOPS code departmental unit
CMEE Chief Mechanical and Electrical Engineer
CoCo electric or diesel locomotive with two powered three axle bogies
COM 4EPB unit with all compartment vehicles, all withdrawn
Connex South Central TOC based on the former BR SR CD
Connex South East TOC based on the former BR SR SED
Cop Coastway open plan Cig conversion
Cor Corridor (1930s express), all withdrawn
CP Crompton Parkinson electric traction equipment supplier
CSC Connex South Central
CSE Connex South East
D78 LU train type used in Southern Electric area on District line
DC direct current
DD Double Decker stock
de-icing departmental unit used for removing ice and snow from third rail during adverse weather conditions
DEMU diesel electric multiple unit
Dig Dedicated Brighton temporary formation, classification has not ceased to exist
District Railway predecessor of LU District Line
DL diesel locomotive
Down running line direction in general running away from London
E5001 Preserved Class 71 electric locomotive owned by National Railway Museum, York
EDL electro-diesel or dual powered locomotive
EE English Electric supplier of most SR and BR SR electric traction equipment
EE507 standard type of Southern electric traction motor made by English Electric
EE546 alternate type of traction motor used in 1960s
electro-diesel dual powered electric or diesel electric locomotive
Electrostar catalogue name of emu produced by Alsthom
emu electric multiple unit
EMU electric multiple unit
English Electric Supplier of most SR and BR SR electric traction equipment
Ep electro-pneumatic braking system
EPB electro pneumatic braking system
EPB stock type Electro Pneumatic Brake
ER Eastern Region (of British Railways)
EH electric (train) heating
FL Fast Line (track designation of higher speed line on multiple track route)
G315BZ traction motor type supplied by GEC
GE General Electric company of US (not connected with GEC of UK)
Gatwick Express A train operating company
GEC General Electric Company of UK (not connected with GE of US)
GEx Gatwick Express
GLV single car parcels and luggage emu used on Gatwick Express
Golden Arrow Pullman service between Victoria and Folkestone
Gri Griddle catering stock (1930s express), all withdrawn
GWR Great Westerrn Railway
HA CMEE drawing code of E5000 electric locomotive later Class 71
HB CMEE drawing code of E6100 electric locomotive later Class 74
Hex Heathrow Express
Hp horsepower unit (imperial) measure of power
HSBC Rail (UK) A ROSCO
Hz Hertz unit measure of frequency
IC Inter City
JA CMEE drawing code of E6000 electric locomotive later Class 73/0
JB CMEE drawing code of E6000 electric locomotive later Class 73/1
Juniper total train supply concept by Alstom
KA CMEE drawing code of D6500 electric locomotive later Class 33/0
KB CMEE drawing code of D6500 electric locomotive later Class 33/1
kW kilowatt unit (metric) measure of power
L&SWR London & South Western Railway
Lav Lavatory fitted stock, all withdrawn
LB&SCR London Brighton & South Coast Railway
LBSCR London Brighton & South Coast Railway
LGW London Gatwick airport code
LHR London Heathrow airport code
live rail electric traction power supply contact rail
Live Rail magazine of SEG
LL Local Line defunct LSWR term for SL
LMR London Midland Region (of British Railways)
LMSR London Midland & Scottish Railway
LNER London & North Eastern Railway
LSWR London & South Western Railway
LT London Transport
LU London Underground
Mk I 1950s BR standard passenger coach design with separate underframe and body
Mk II 1960s BR standard passenger coach design of integral structure
Mk III 1970s BR standard passenger coach design of integral structure and modular construction
ML Main Line defunct WR term for FL
MLV single car parcels and luggage emu (Kent Coast stock)
MR Metropolitan Railway
MV Metropolitan Vickers electric traction equipment supplier
MV339 MV supplied traction motor type
Networker High technology electric multiple unit specified by NSE
Network Rail Organisation owning and operating the infrastructure used by TOCs
Night Ferry One time boat train conveying through coaches to Continent withdraw 1970s
Nol No Lavatory stock, all withdrawn
NRM National Railway Museum, York
NSE Network SouthEast
ONIX Adtranz traction drive package
Pan Pantry car stock, all withdrawn
Pep Prototype electro pneumatic stock
Porterbrook A ROSCO
Pul Pullman car stock, all withdrawn
Railtrack Former name of the organisation owning and operating the infrastructure used by TOCs
Rep Restaurant electro pneumatic stock, all withdrawn
Res Restaurant stock, all withdrawn
RL Relief Line defunct WR term for SL
ROSCO rolling stock leasing company
Sandite substance sprayed on running rails to improve adhesion during falling leaves season
Sap Second class only Hap stock, all withdrawn
Sarah Siddons name of 1920s ex-Metropolitan Railway electric locomotive
SE&CR South Eastern & Chatham Railway
SECR South Eastern & Chatham Railway
SED South Eastern Division (of BR SR)
SEG Southern Electric Group
Silverlink A train operating company
SL Slow Line (track designation of lower speed line on multiple track route)
SL South London stock
South West Trains TOC based on former BR SR SWD
SR Southern Railway 1923 merger of LSWR SECR LBSCR
SR Southern Region (of British Railways)
Sub Suburban stock
SWD South Western Division (of BR SR)
SWT South West Trains
TC Trailer carriages, all withdrawn
TCB Trailer carriages with buffet, all withdrawn
Thameslink A train operating company
third rail electric traction power supply contact rail
TL Through Line defunct LSWR term for FL
Tm traction motor
TOC train operating company
TOPS Total Operations Processing System operations central computer system
TOU train operating unit (BR pre-privatisation)
Up running line direction in general running towards London
V Volt, unit measure of electrical potential
Veg Vep Gatwick stock, classification no longer in existence
Vep Vestibule electro pneumatic stock in service 1999
Vop Vep open plan stock
Wes Wessex stock
Wim Wimbledon stock, all withdrawn
WR Western Region (of British Railways)