TOPS Depot Codes

TOPS Locomotive, Depot, and Pool codes – top page


The following is a list of TOPS Depot Codes which can be used in conjunction with the locomotive stock changes in the “Railway Observer” which is published monthly by the Railway Correspondence and Travel Society.

Depots recorded with an asterisk have an allocation of locomotives although in some cases RSL/TOPS records may not be accurate.


13.06.2022: Change of Operator: Kilmarnock, Hunslet Barclay – Brodie Engineering replaced Wabtec Rail, Scotland

01.04.2022: Change of Franchise: ScotRail Trains Limited replaced Abellio ScotRail Ltd

16.03.2022: Allocation: CO (Coquelles, France)

24.12.2021: Change of Operator: Ashford – SE Trains Limited replaced Hitachi Rail Europe Ltd

17.10.2021: Change of Operator: Neville Hill T&RMD – Northern Trains Limited replaced Abellio East Midlands Limited

17.10.2021: Change of Franchise: SE Trains Limited replaced London & South Eastern Railway Limited

09.02.2021: Transport for Wales Ltd replaced Franchise – Gweithrediadau Keolis Amey Limited

ACAberdeen, Clayhills T&RSMDLondon North Eastern Railway Limited
ADNew Ashford, EMUDSE Trains Limited
AFAshford, Chart Leacon TMD (Closed)..
AKArdwick T&RSMD, ManchesterSiemens Transportation Systems
ALAylesbury T&RSChiltern Railways Company Limited
ANAllerton DepotNorthern Trains Limited
AOActon LHSDB Cargo UK
ATAlstom, Birmingham (WCML) (Closed)Alstom
AVAvonmouth BBHTFreightliner Group Ltd
AWArdwick West (WCRM)Network Rail Infrastructure Limited
AZAlizay, France*Axiom Rail
BABasford HallFreightliner Group Ltd
BBBoulby Mine Carlin How (FLHH)Freightliner Heavy Haul Ltd
BCBoden Rail Loco Depot (Nottingham Eastcroft Carriage Sidings)Boden Rail Engineering Ltd
BDBirkenhead North TMDMerseyrail
BEBarnetby East Engineers Siding FPFreightliner Group Ltd
BFBedford, Cauldwell Walk DepotGovia Thameslink Railway Limited
BGBotinic Gardens (Hull) DMUDFirst TransPennine Express
BHBarrow Hill SD*Barrow Hill Ltd
BHBarrow Hill SD (FLHH)Freightliner Heavy Haul Ltd
BIBrighton Lovers WalkGovia Thameslink Railway Limited
BIBrighton TMDGovia Thameslink Railway Limited
BKBristol Barton HillLondon and North Western Railway Co. Ltd 
BLBasford Hall Depot (Freightliner)Freightliner Group Ltd
BMBournemouth West TMDFirst MTR South Western Trains Limited 
BNBounds Green T&RSMD*Hitachi Rail Europe Ltd
BOBurton upon Trent T&RSMD*Nemesis Rail Limited
BPBlackpool North CARMDNorthern Trains Limited
BQBardon Hill QuarryFreightliner Group Ltd
BRBanbury Depot (LMD)Chiltern Railways Company Limited
BRBristol Kingsland RoadNetwork Rail Infrastructure Limited
BSBescot TMDDB Cargo UK
BTBo’ness, Bo’ness & Kinneil Railway*Bo’ness & Kinneil Railway
BUBurngullow (FLHH)Freightliner Heavy Haul Ltd
BWBarrow-in-Furness SDNorthern Trains Limited
BXBuxton TMD (Closed)..
BYBletchley TMDWest Midlands Trains Ltd
BZSt. Blazey SDDB Cargo UK
CACarlisle New Yard DBS Loco Maintenance PointDB Cargo UK
CBCondor Park, Butterley*Midland Railway Centre
CCClacton on Sea SD                 Abellio Greater Anglia Ltd
CDCrewe Diesel MD*Locomotive Storage Ltd
CECrewe Electric MD*DB Cargo UK
CFCardiff Canton SidingsTransport for Wales Limited
CFCardiff Canton TMDPullman Rail Ltd
CGCrewe CS LNWR (FLHH)    Freightliner Heavy Haul Ltd
CGCrewe Virtual QuarryNetwork Rail Infrastructure Limited
CHChester TMDAlstom
CJClapham Junction CSDFirst MTR South Western Trains Limited 
CKCorkerhill CSMDScotRail Trains Limited
CLCarlisle Upperby T&RSMD (Closed)..
CMBasford Hall Fuel PointFreightliner Group Ltd
CMCamden CSDWest Midlands Trains Ltd
CNChaddesden Sidings, DerbyFreightliner Group Ltd
COCoquelles, France*Groupe Eurotunnel S.A.
CPCrewe CS*London and North Western Railway Co. Ltd 
CQCrewe Gresty Lane (DRS)Direct Rail Services Ltd
CQCrewe Railway Age*Crewe Heritage Centre
CRColchester SDAbellio Greater Anglia Ltd
CRCrewe Gresty Bridge Loco SD (DRS)Direct Rail Services Ltd
CSCarnforth (WCR)*West Coast Railway Company
CTCleethorpes StationFirst TransPennine Express
CUCoatbridge FLTFreightliner Group Ltd
CWCricklewood DepotAbellio East Midlands Limited
CXChalmerstonFreightliner Heavy Haul Ltd
CZCentral Rivers, Barton-under-Needwood RSMDBombardier Transportation
DFDerby RTC*Loram UK Ltd
DHDerehamMid Norfolk Railway
DIDidcot, GWS*Great Western Society
DLDollands Moor Loco Repair SidingDB Cargo UK
DMDagenham Dock (FLHH)Freightliner Heavy Haul Ltd
DMDagenham Dock HS (Closed)..
DRDoncaster Carr TMDHitachi Rail Europe Ltd
DTDidcot Triangle FPDB Cargo UK
DUDoncaster Up Decoy LMD   DB Cargo UK
DVDaventryDirect Rail Services Ltd
DYDerby Etches Park HST*Abellio East Midlands Limited
ECEdinburgh Craigentinny T&RSMD*Hitachi Rail Europe Ltd
EHEastleigh TMD*London and North Western Railway Co. Ltd 
EIEdinburgh Craigentinny CSLondon North Eastern Railway Limited
EJLeith South (FLHH/LaFarge)Freightliner Heavy Haul Ltd
ELEast Lancashire Railway, Heywood, East Lancashire Railway
EMEast Ham EMDc2c Rail Ltd
EPEdinburgh Portobello JunctionNetwork Rail Infrastructure Limited
EREurre, FranceSNCF
ESEarles Sidings (FLTT)Freightliner Group Ltd
ETEastleigh TMD (Freightliner)Freightliner Group Ltd
EUEast Usk, Newport, Servicing RoadDB Cargo UK
EXExeter St.Davids CS FPFirst Greater Western Limited
EXExeter St.Davids SDFirst Greater Western Limited
FAFairwater, Taunton (FLHH)Freightliner Heavy Haul Ltd
FBFerrybridge Loco Maintenance DepotDB Cargo UK
FDFreightliner Nationwide, Diesel Locos*Freightliner Group Ltd
FEFreightliner Nationwide, Electric Locos*Freightliner Group Ltd
FFBrussels Forest T&RSMDSNCB
FHFrodingham (Scunthorpe) SDGrant Rail
FNFelixstowe North Docks (GBRf)GB Railfreight
FPFerme Park FPLondon North Eastern Railway Limited
FPFerme Park FP (GBRf)GB Railfreight
FRFratton CSDFirst MTR South Western Trains Limited 
FTFrethun, Calais (Tunnel), FranceSNCF
FTFrethun, Calais Depot, FranceSNCF
FWFort William FP*DB Cargo UK
FWFort William StationScotRail Trains Limited
FZFort William Junction YardDB Cargo UK
GBGuide Bridge (WCRM)ISU (CE)
GBGuide Bridge Yard (FLHH)Freightliner Heavy Haul Ltd
GDGascoigne Wood SidingsDB Cargo UK
GIGillingham (Kent) EMUDSE Trains Limited
GLGloucester (Cotswold Rail) (Now Colas Rail)Colas Rail Limited
GLGloucester SDISU (CE)
GNGarston FLTFreightliner Group Ltd
GOGulf Oil, Waterston (Closed)..
GWGlasgow Shields EMDScotRail Trains Limited
HAHaymarket (Edinburgh) TMD*ScotRail Trains Limited
HCHolyhead CSTransport for Wales Limited
HDHolyhead SDTransport for Wales Limited
HEHornsey EMUDGovia Thameslink Railway Limited
HEHornsey EMUD Wheel LatheGovia Thameslink Railway Limited
HFHereford FPDB Cargo UK
HGHither Green TMDDB Cargo UK
HHHams Hall (GBRf)GB Railfreight
HMHealey Mills TMD (Closed)..
HNHoo Junction Up YardDB Cargo UK
HOHolbeck (Leeds) TMDISU (CE)
HPHope Blue Circle (FLHH)Freightliner Maintenance Limited
HQHQ Locos*..
HRGloucester Horton RoadColas Rail Limited
HSHoo Junction Fuel PointDB Cargo UK
HTHeaton T&RSMDNorthern Trains Limited
HUHunterston High Level SidingsDB Cargo UK
HVHunterston High Level Sidings (FLHH)Freightliner Heavy Haul Ltd
IGIsle of Grain Thamesport TerminalFreightliner Group Ltd
ILIlford EMDAbellio Greater Anglia Ltd
ILOld Oak Common (Crossrail)Bombardier Transportation
IMImmingham ReceptionDB Cargo UK
IMImmingham TMDDB Cargo UK
INImmingham B4 SidingsDB Cargo UK
IOImmingham Dock Reception (FLHH)Freightliner Heavy Haul Ltd
IPIpswich FPAbellio Greater Anglia Ltd
IPIpswich LHSFreightliner Group Ltd
ISInverness CSMDScotRail Trains Limited
ISInverness TMDScotRail Trains Limited
KGKnottingley TMD (FLHH)DB Cargo UK
KIKidderminster TMD (SVR)*Severn Valley Railway
KMKingmoor, Carlisle, TMD *Direct Rail Services Ltd
KRBridgenorth*Severn Valley Railway
KTKineton, Fenny Compton, MODMinistry of Defence
KYKnottingley TMDDB Cargo UK
KYKnottingley WRDDB Cargo UK
KZKilloch CollieryFreightliner Heavy Haul Ltd
LALaira (Plymouth) CEM DepotFirst Greater Western Limited
LALaira (Plymouth) TMD*First Greater Western Limited
LBLoughborough Works (Brush Traction)Brush Traction, Wabtec Corporation
LDLeeds, Midland Road T&RSMD*Freightliner Maintenance Limited
LELandore (Swansea) TMD*Chrysalis Rail Services Ltd
LFLeeds, Midland Road Wheel LatheFreightliner Maintenance Limited
LGLongsight, Manchester EMDNorthern Trains Limited
LILongslght Manchester DMDSiemens Transportation Systems
LJLlandudno Junction SD (Closed)..
LKSouth Bank LackenbyCorus
LLLiverpool, Edge Hill Traincare Centre*Alstom
LMLong Marston*Chrysalis Rail Services Ltd
LOLongsight, Manchester DMD*Alstom
LRLeicester Loco SD*UK Rail Leasing
LSLongsight Wheel LatheAlstom
LSManchester Int Depot (FL)Freightliner Heavy Haul Ltd
LTLongport Freight DepotDB Cargo UK
LTLongport Pinnox BranchDB Cargo UK
LWLawley Street, Birmingham FLTFreightliner Group Ltd
MAManchester, Longsight CSAlstom
MDMerehead TMD*Freightliner Heavy Haul Ltd
MEMossend TMDDB Cargo UK
MFMountfieldGB Railfreight
MGMargam TMD (Closed)..
MHMillerhill Loco Inspection Point (Closed)..
MHMillerhill YardDB Cargo UK
MIMotherwell Repair Point (DRS)Direct Rail Services Ltd
MKMarkinch (Charter/PO)ScotRail Trains Limited
MLMotherwell TMDNetwork Rail Infrastructure Limited
MNMachynllethTransport for Wales Limited
MNMachynlleth Station FPTransport for Wales Limited
MOMorris Cowley FD (Closed)..
MOMorris Cowley Mat Transport (Closed)..
MRMarch TMD (March Down Refuge Siding)GB Railfreight
MSMountsorrell Loco Servicing RoadDB Cargo UK
MTMerehead TMD (FLHH)Freightliner Heavy Haul Ltd
NBNew Biggin (GBRf)GB Railfreight
NCNorwich Crown Point T&RSMDAbellio Greater Anglia Ltd
NDNeasden Depot (LUL)            London Underground Ltd
NGNew Cross Gate CSDLondon Overground
NHNewton Heath, Manchester TMDNorthern Trains Limited
NLNeville Hill T&RMD*Northern Trains Limited
NMNottingham Eastcroft CMDAbellio East Midlands Limited
NMNottingham SDAbellio East Midlands Limited
NNNorthampton, Kings Heath EMUDSiemens Transportation Systems
NPNorth Pole IEP DepotHitachi Rail Europe Ltd
NRNorwich Crown Point CS (GBRf)GB Railfreight
NTNortham, Southampton, DepotSiemens Transportation Systems
NUNunnery (Sheffield Supertram)Sheffield Supertram
NVNeville Hill Depot (FLHH)Abellio East Midlands Limited
NYGrosmont NYM RailwayNorth Yorkshire Moors Railway
NYGrosmont StationNorthern Trains Limited
OCOld Oak Common Diesel TMD (Closed)..
OEOld Oak Common EWS (Closed)..
OHOld Oak Common EMUD (Closed)..
OMOld Oak Common CS (Closed)..
OOOld Oak Common HST Depot (Closed)..
OXOxford SD..
OYOxley, Midlands Traincare Centre*Alstom
PBPeterborough NVRNene Valley Railway
PBPeterborough SDDB Cargo UK
PCPolmadie, Traincare CentreAlstom
PEPeak Forest FP (FLHH)Freightliner Heavy Haul Ltd
PFPeak Forest SouthDB Cargo UK
PGPeterborough SD, GBRF*Electro-Motive Services International Ltd
PHPerth Station FPScotRail Trains Limited
PMSt. Phillips Marsh HST Depot*First Greater Western Limited
PNPoznan, Poland*Axiom Rail
POPolmadie Civil Engineer’s DepotISU (CE)
PRPreston Bakehouse SidingsFirst Trenitalia
PTPeterborough GBRf SDGB Railfreight
PZPenzance SD*First Greater Western Limited
QRQuainton RoadBuckinghamshire Railway Centre
RDReading West Junction YardNetwork Rail Infrastructure Limited
RGReading TMD (Closed)..
RGReading Traincare Depot*First Greater Western Limited
RIRuddington InterCityGreat Central Railway (North)
RLRopley (Mid-Hants)*Mid Hants Railway
RMRamsgate EMUDSE Trains Limited
RRRoberts Road, DoncasterElectro-Motive Services International Ltd
RSRoberts Road, Doncaster (GBRF)*GB Railfreight
RTRotherham Masborough FDDB Cargo UK
RURugby DED (Colas Rail, Operations Centre)*Colas Rail Limited
RURugby GTRM Depot (Mill Road – FLHH)Freightliner Heavy Haul Ltd
RVRavenstruther Crouch MiningFreightliner Heavy Haul Ltd
RYRyde, I.O.W. Maintenance DepotFirst MTR South Western Trains Limited 
SASalisbury DepotFirst MTR South Western Trains Limited 
SASwanageSwanage Railway
SBSelbyGB Railfreight
SCScunthorpe LHSDB Cargo UK
SDSellafield (BNFL) SDDirect Rail Services Ltd
SESt. Leonards West Marina*St. Leonards Railway Engineering
SESt. Leonards West Marina (GBRf)GB Railfreight
SFScarborough TMDFirst TransPennine Express
SGSlade Green TMDSE Trains Limited
SHSouthall DMU DepotWest Coast Railway Company
SJShelton Maint Point (WCRM)Network Rail Infrastructure Limited
SKStoke Gifford FLHFreightliner Heavy Haul Ltd
SKStoke Gifford LMDFreightliner Group Ltd
SKSwanwick Junction, Midland RailwayMidland Railway Centre
SLStewarts Lane TMD*DB Cargo UK
SMSheffield FPNorthern Trains Limited
SNStranraer Town Freight Depot (Closed)..
SOSoho LMDWest Midlands Trains Ltd
SOSouthampton FL SidingsFreightliner Group Ltd
SPSprings Branch, Wigan TMDDB Cargo UK
SRShrewsbury, Coleham (ERTMS)Network Rail Infrastructure Limited
SUSelhurst T&RSMDGovia Thameslink Railway Limited
SVStonebridge Park,Wembley Heavy Repair Depot, Wheel Lathe*Alstom
SWSwindon SD (Closed)..
SYSaltley SD (Closed)..
SZSouthampton Maritime TMLFreightliner Group Ltd
SZSouthampton Western Docks Berth 109GB Railfreight
TBThree Bridges Thameslink Up DepotSiemens Transportation Systems
TETees Yard FPDB Cargo UK
TEThornaby TMD (Closed)..
TFYork Yard South (FLHH)Freightliner Heavy Haul Ltd
TGTeigngrace Colas Rail Limited
TGTonbridge WRCS (Loco Holding Siding)DB Cargo UK
THThornaby TMD (Freightliner)Freightliner Group Ltd
TITemple Mills International DepotEurostar (UK) Ltd
TJTavistock Junction (Colas) Plant DepotColas Rail Limited
TKButterwell OpencastGB Railfreight
TKNorth BlythGB Railfreight
TKTyne Dock (GBRf)GB Railfreight
TLTilbury Rail Container TerminalFreightliner Group Ltd
TMTyseley Railway Museum*Tyseley Locomotive Works
TNThornton FPDB Cargo UK
TOToton TMD*DB Cargo UK
TPTrafford Park FLTFreightliner Group Ltd
TPTrafford Park SidingsDB Cargo UK
TRSouth Bank Tees Dock Corus FLTFreightliner Group Ltd
TSTyseley TMD*West Midlands Trains Ltd
TUTunstead Fuel PointFreightliner Heavy Haul Ltd
TYTyne Yard T&RSMDDB Cargo UK
TZThoresby Colliery Junction SidingsFreightliner Group Ltd
VWAlstom Traincare (WCML)Alstom
WAWishaw (Dunton Park)*Moveright International Ltd
WBWembley Traincare Centre*Alstom
WDEast Wimbledon EMUD*First MTR South Western Trains Limited 
WEWembley Brent SidingsDB Cargo UK
WEWembley LHSDB Cargo UK
WEWembley Yard DBSDB Cargo UK
WEWillesden PRDCRoyal Mail
WFWansford, Nene Valley RailwayNene Valley Railway
WHWhatley TMDFreightliner Heavy Haul Ltd
WISouth Bank Wilton Works*SembCorp Utilities
WKWorkington TownISU (CE)                
WLWellingborough Up Sidings (GBRf)GB Railfreight
WMWhatley TMD (FLHH)Freightliner Heavy Haul Ltd
WNWillesden TMDBombardier Transportation
WQDB Schenker HeadquartersDB Cargo UK
WRWest Ruislip Depot, LUL*London Underground Ltd
WSWorksop LHSDB Cargo UK
WTWarrington Arpley Fuelling ApronDB Cargo UK
WUWembley TMDChiltern Railways Company Limited
WVManistry Wharf, Ellesmere Port (FLHH)Freightliner Heavy Haul Ltd
WWWashwood Heath Loco Servicing Road Number 26DB Cargo UK
WWWashwood Heath Met Camm (Closed)..
WYWestbury SDDB Cargo UK
WZWarsaw, Poland*Freightliner Group Ltd
XWCrofton Depot, WakefieldBombardier Transportation
YKYork National Railway Museum*National Railway Museum
YLYork GR ShedFreightliner Group Ltd
YOYork DMUDSiemens Transportation Systems
ZADerby RTC*Network Rail Infrastructure Limited
ZBDoncaster Works, Wabtec RailWabtec Rail Ltd, Wabtec Corporation
ZCCrewe WorksBombardier Transportation
ZDDerby Litchurch Lane WorksBombardier Transportation
ZFDoncaster Works (Closed)*..
ZGEastleigh Works*Arlington Fleet Services
ZHGlasgow Renovation Centre, Springburn (Closed)*..
ZIIlford DepotBombardier Transportation
ZIIlford Wheel LatheBombardier Transportation
ZJStoke on Trent, Turners, c/o Marcroft EngineeringTurners
ZKKilmarnock, Hunslet Barclay (Caledonia Works)Brodie Engineering Limited
ZNWolverton Renovation Centre*Gemini Rail Services UK Ltd
ZUSelhurst CEM DepotGovia Thameslink Railway Limited
ZVInverness CSMD, SleepersSerco Caledonian Sleepers Ltd
ZWStoke-on-Trent, Marcroft EngineeringAxiom Rail (Stoke) Limited
ZWWalker Training Location
ZXLlanwern CAF WorksCAF