€¦ · XLS file · Web view · 2013-05-20Confirmation of Client's Instruction CCM Company...

tusp, Barrow Hill, Maidstone Road, Ashford, Kent, TN24 8TY – [email protected] - Tel: 01233 640 257

Filename: document.xls

Railway GlossaryAcronym Term

Aa Arrival time (in timetables)AAR Association of American RailroadsAB Absolute BlockABCL Automatic Barrier Crossing LocallyABCR Automatic Barrier Crossing RemotelyAC Alternating CurrentACCAT Adhesion Controller's Condition Assessment tool ACORP Association of Community Rail PartnershipsACR Access Charge ReviewAdex Advertised Day Excursion trainADIF Spanish Infrastructure ManagerAGMA The Association of Greater Manchester Authorities AGRRI Advisory Group for Rail Research & Innovation AGV Automotrice Grande Vitesse AHB Automatic Half Barrier - type of level crossing AHBC Automatic Half Barrier CrossingAHQ (British Transport Police) Area HeadquartersALARP As low as reasonably practicableALCRAM All Level Crossing Risk AssessmentALR All Line RoverAM Amplitude ModulationAMP Asset Maintenance Plan. Network Rail process Angel Trains Rolling Stock Company (ROSCO)AOA Angel Of AttackAOCL Automatic Open Crossing LocallyAOCR Automatic Open Crossing RemotelyAP Any Permitted (fare routining -any route permitted by routing guide)Apache httpd Web server software used on this forumAPCOA Car parking company used at FGW-controlled stations in the areaApex Advanced Purchase Excursion (fare)APT Advanced Passenger TrainAPTIS All Purpose Ticket Issuing SystemARM Asset Recovery ManagerARS Automatic Route SettingASLEF Associated Society of LocomotiveASPER ASset PERformance databaseASW Air South WestAT Auto Transformer (supply)ATA Automatic Track AlignmentATC Automatic Train ControlATCO Association of Transport Co-ordinatingATE Assistant Ticket ExaminerATM Amended Timetable ManagerATO Automatic Train OperationATOC Association of Train Operating CompaniesATP Automatic Train ProtectionATPM Automatic Train Protection ManualATR Automatic Train ReportingATS Automatic Train StopATSS Automatic Train Supervision SystemATT Active Tilting TrainATTA Automatic Track Top and AlignmentATW Arriva Trains WalesATWS Automatic Track Warning SystemAVACS Aire VAlley Control SystemAVB Automatic Vacuum BrakeAVI Automatic Vehicle IdentificationAvocet Branch line from Exeter to ExmouthAWB Advance Warning BoardAWE Advance Warning EstimatesAWG Adhesion Working GroupAWS Automatic Warning SystemAXC Arriva Cross Country

Bb braking rate (abbreviation)B&H Berks and Hants - Reading to Taunton via WestburyB/C Benefit to Cost RatioBAA British Airports Authority

Great Planning is Fundamental to Great Safety Performance





BABT British Approval Board for TelecommunicationsBACS Banking Automated Credit SystemBaneverket Swedish infrastructure managerBATS Business Analysis of Train ServicesBBEST Balfour Beatty Embedded Slab TrackBBRM Balfour Beatty Rail Maintenance Ltd.BBRPL Balfour Beatty Rail Projects Ltd.BBRR Balfour Beatty Rail RenewalsBCA Business Critical Application (IT term)BCC Banking Control AccountBCK Brake Composite CorridorBCL Brake Composite with Lavatory (carriage)BCO Brake Composite Open (carriage)BCR Benefit Cost RatioBCRRE Birmingham Centre for Railway ResearchBCU Brake Control UnitBCWS Budgeted Cost of Work ScheduledBDM Business Development ManagerBF Brake First (carriage)BFK Brake First CorridorBFO Brake First OpenBG Brake Gangway (carriage)BH Bull Head Rail SectionBHM Birmingham New Street (not BNS, which is actually Barnes)BHX Bank Holiday eXceptedBIFS Billing Infrastructure Freight SystemBIS Battery Isolating SwitchBKF Brake First Corridor (carriage)Blog A web logBMB Block marker boardBMF Bristol Manor Farm (football club)BMIS Business Management Information SystemBMS Basic Mechanical SignallingBNC British National ConnectorBNP Barnstaple (in the context of this forum)BNS Barnes (not Birmingham New Street, which is actually BHM)BoA Bradford-on-AvonBobby SignalmanBodysnatcher Nickname for class 57 as they have the bodies from class 47sBoJ Break of JourneyBOP Booking On PointBP Brake PipeBPA Business Planning AccountantBPM Business Process ManualBPR Business Policy Review group: an RTIS bodyBPW Bristol ParkwayBR British RailwaysBRASS British Railways Additional SuperannuationBRB British Railways BoardBRBS British Railways Business Systems (formerBREL British Rail Engineering LtdBRENDA BRidge ENgineer Data, computer systemBRG Business Review GroupBRI British Rail InternationalBrick Nickname for class 153, due to their appearanceBRIMS British Rail Incident Monitoring SysteBRIS British Rail Infrastructure ServicesBRP Budget Reporting PackBRR British Rail ResearchBRS Business Route SectionBRSA British Rail Staff AssociationBRT British Rail Telecommunications , now knownBRUTE British Rail Universal Trolley EquipmentBS British StandardBS spec British Standards specificationBS&TE Business Signal & TelecommunicationsBSC Base Station ControllerBSI British Standards InstituteBSK Brake Second CorridorBSN Bridge Strike Nominee (see Bridge Bash /BSO Brake Second OpenBSP Bulk Supply PointBSPG Business Systems Policy Group: an RTISBST Basic Signalling TechnologyBT Booster TransformerBTA British Transport Advertising





BTM Bristol Temple MeadsBTOG British Transport Officers’ GuildBTP British Transport PoliceBustitution the practice of replacing trains with busesBZP Bright Zinc Plating

CC&W Carriage and WagonC/E Country EndC1 (on coaches) National route restrictionC2C Commercial Name for London Tilbury andCA CableCAD Computer Aided DesignCAG Contract Approval GroupCAHA Claims Allocation and Handling AgreementCAMPS Computer Assisted Maintenance PlanningCAMS Cost Allocation Management SystemCANBER Campaign Against the New Beeching ReportCanned slang for a cancelled trainCAPE Train CancelledCAPEX CAPital EXpenditure CAPM Capital Asset Pricing ModelCAPP Confirmed Annual Possession PlanCAPS Colchester Area Power SuppliesCAPTHCA Completely Automated Public Turing Test to Tell Computers and Humans ApartCAR Corrective Action RequestCARINO TOPS (Total Operations ProcessingCARKND TOPS (Total Operations ProcessingCAT Cable Avoiding ToolCATE Computer Assisted Train EnquiriesCATP Continous ATPCB Central BatteryCBA Cost Benefit AnalysisCBCT Communications Based Train ControlCBI Confederation of British IndustryCBR Cost Benefit RatioCBS Contract Breakdown StructureCBTC Communication Based Train ControlCCA Current Cost AccountingCCF Control Centre of the FutureCCI Confirmation of Client's InstructionCCM Company Control Manager (EWS)CCS Contract Conditions SafetyCCSC Contractor Core Safety CaseCCTV Closed Circuit TeleVisionCCU Core Control UnitCD Closed Doors platform indicatorCD ROM Compact Disc Read Only MemoryCDF CardiffCDL Central Door LockingCDM Construction Design and ManagementCDMA Collision Detection Multiple AccessCDNP Cheques Drawn Not PresentedCDR Off Peak Day ReturnCDS Off Peak Day SingleCDU Cab Display UnitCE Contract EngineerCEDAC Civil Engineering Design AndCEDG Civil Engineering Design GroupCEGB Central Electrictricity Generating BoardCENELEC European Committee for ElectrotechnicalCENTRO Marketing name of West MidlandsCER Change En RouteCERT City of Edinburgh Rapid TransportCESM Civil Engineering Safety ManualCess The outside of the running linesCET Controlled Emission ToiletCGT Capital Gains TaxCH CHiltern Railway CompanyCHALET Casualties, Hazards, Access, Location,CHAPS Clearing House Accounts Payable SystemCHIP Chemicals Hazard Information andCI Contract InstructionCIE Coras Iompair Eireann - Irish RailwaysCIÉ Corás Iompair Éireann, holding company ofCILT Chartered Institute of Logistics and Transport





CIMA Chartered Institute of ManagementCIMAH Control of Industrial Major AccidentCIMU Central Infrastructure Maintenance UnitCIP Core Investment ProgrammeCIRAS Confidential Incident Reporting and Analysis SystemCIS Customer Information SystemCITB Construction Industry Training BoardCITDS Construction Industry Tax DeductionCITR Centre for Independent Transport ResearchCIV International Convention for the transportation of Passengers (Convention Internationale pour le transport des Voyageurs)CLASS 0 TRAINS Light locomotivesCLASS 1 TRAINS Express passenger trains, mailCLASS 2 TRAINS Stopping passenger trainsCLASS 3 TRAINS Express parcel trainsCLASS 4 TRAINS Express freight trains (75mph)CLASS 5 TRAINS Empty coaching stock trainsCLASS 6 TRAINS Express freight trains (60mph)CLASS 7 TRAINS Freight trains with 45mphCLASS 8 TRAINS Freight trains with 35mphCLASS 9 TRAINS Eurostar trainsCLG Company Limited by Guarantee ie Network Rail CLPG Cotswold Line Promotion GroupCLRL Cross London Rail links Ltd CM Contracts ManagerCMD Central Materials DepotCMS Competence Management SystemCNRS Company Neutral Revenue Support. Freight subsidy paid to customers. COA Chart Of AccountsCoC Chamber of CommerceCoCoSig Command, Control and Signalling (TSI)CoCP Code of Construction PracticeCOCS Computerised Operations Control SystemCoffin Nail Single coach trainCOI Confirmation Of verbal InstructionCOLTA City of Oxford Licenced Taxicab AssociationCOMET Community MetroCOMPASS COMbined Performance And SafetyConnectivity The ability to travel between two stations within an acceptable journey timeCoPA Control of Pollution Act 1974COS Central Operating SectionCOSHH Control Of Substances Hazardous toCOSS Controller of Site SafetyCOT Condition Of Track.COTS Commercial Off The Shelf equipmentCOWD Cost Of Work to DateCPC Circuit Protective ConductorCPD Continuing Professional DevelopmentCPFR Crossrail Programme FunctionalCPM Codes per MinuteCPMG Company Performance Management GroupCPMT Central Project Management Team, WCMLCPO Compulsory Purchase OrderCPPP Confirmed Period Possession PlanCPRE Campaign to Protect Rural EnglandCPS Crown Prosecution ServiceCPST Central Project Sponsor’s Team, WCMLCR Change RequestCRA Call Routing ApparatusCRC Class Representative CommitteeCRE Contractor’s Responsible EngineerCRG Contracts Review GroupCRL Crossrail ltd.CRR Competition & Regulatory ReviewCRS Computerised Reservation SystemCRT Critical Rail TemperatureCRUCC Central Rail Users’ ConsultativeCS Carriage SidingsCSA Cross Sectional AreaCSAC Candidate Special Area of ConservationCSC Connex South CentralCSD Carriage Servicing DepotCSDE Correct Side Door EnableCSE Connex South EasternCSI Common Safety IndicatorCSM Commercial Services ManagerCSR Cab Secure Radio





css Cascading Style SheetsCST Common Safety TargetCT Central TrainsCTA Compulsory Ticket AreaCTC Centralised Traffic ControlCTOC Crossrail Train Operating CompanyCTR Cost Time ResourceCTR1 Channel Tunnel Route 1 (via Tonbridge)CTR2 Channel Tunnel Route 2 (via Maidstone)CTR3 Channel Tunnel Route 3 (via Redhill)CTRL Channel Tunnel Rail LinkCTRL-DS Channel Tunnel Rail Link Domestic Service/Stock; Hitachi Class 395 EMUCTRU Central Track Renewals UnitCTSA Channel Tunnel Safety AuthorityCUI Capacity Utilisation IndexCummins Diesel engine manufacturerCUP Capacity Utilisation Policy. Used by SRA, may be archaic. CV Curriculum VitaeCW Christian Wolmar (rail journalist)CWG Canary Wharf GroupCWM Carriage Washing MachineCWPR Company Weekly Performance ReportCWR Continuously Welded RailCWT Carlson Wagonlit Travel

Dd (in timetables) departure timeD&C Design and ConstructionD&D Design & DevelopmentD&DA Design and Development AuthorityD&DR Design & Development ReportD&I Design & ImplementationD&IA Design and Implementation Authority (seeDAB Departmental Advice (Blue).DAC Depot Access ConditionsDaFT Department for TransportDAG Delay Attribution GuideDAL Down Avoiding LaneDAPF Document Amendment Proposal FormDAPP Draft Annual Possession PlanDART Dublin Area Rapid Transit, the coastalDAS Driver Advisory SystemDaSTS Delivering a Sustainable Transport System (Department for Transport Strategy)DB Deutsche Bundesbahn, German State RailwaysDB AG Deutsche Bahn AG, German State RailwaysDB Netz German infrastructure managerDB Regio Deutsche Bahn RegioDB Schenker Deutsche Bahn SchenkerDBFO Design Build Finance Operate (HighwaysDBFT Design, Build, Finance Transfer. DBOM Design, Build, Operate, Maintain. DBS Deutsch Bahn SchenkerDBSO Driving Brake Second OpenDBVIC Driver’s Brake Valve Isolating CockDC Direct CurrentDCA Data Concentrator AppreciationDCF Discounted Cash FlowDCIO Deputy Chief Inspecting OfficerDCM Duty Contracts ManagerDCP Document Control PointDCU Digital Control UnitDD Direct DebitDDA Disability Discrimination ActDDI or DD&I Design Development andDeBo Designated BodyDeemed Minutes A predetermined value in delay minutes attributed to the cancellation of a trainDEL Down Electric LineDeltaRail Formerly British Rail Research & AEADEMU Diesel Electric Multiple UnitDEP Designated Earth PointDETP Detailed Engineering Train PlanDETR Department of the Environment, TransportDFL Down Fast LineDFO Depot Facility OwnerDFT DART Fixed TerminalDG Dangerous Goods





DGI Dangerous Goods IncidentDGL Down Goods LoopDGPS Differential Global Positioning by Satellite.DIADS Diagram Input And Distribution SystemDigital Doris Auto announcer on ex W&W (Wales and West) stationsDIP Debt Issuance Programme. Network Rail's debt raising activity DiPTAC Disabled Persons Transport AdvisoryDIRFT Daventry International RailFreight TerminalDIS Flexible DIsplay System (IECC replacementDKS Door Key SwitchDLM Data Link ModuleDLR Docklands Light RailwayDM Deutsche Mark (former German Currency)DML Data Manipulation LanguageDMMU Diesel Mechanical Multiple UnitDMSS Development Manager, Signalling StrategyDMU Diesel Multiple UnitDNC Declared Non-complianceDNS Domain name service (turns a computer's address into something more relevant)DO Driver OnlyDoE Department of the EnvironmentDoETR Department of the Environment, TransportDOO Driver Only OperationDOO(NP) Driver Only Operation Non-PassengerDOO(P) Driver Only Operation PassengerDOP Driver Only PassengerDOS Disk Operating SystemDOT Department Of Transportation (United States)DoT or DTp (former) Department of TransportDown Typically, but not always, the direction of travel away from LondonDP Delivery PartnerDPA Delegated Procurement AuthorityDPC Data Protocol ConverterDPI Dye Penetrant InspectionDPL Down Platform LineDPM Development Planning ManagerDPPP Disabled People's Protection PolicyyDQM Data Quality ManagerDRA Driver Reminder ApplianceDRACAS Data Reporting, Analysis & CorrectiveDRM Delivery Resource ManagerDroplight the window you lower to open the carriage doorDRS Direct Rail ServicesDSB_RC Disabled RailcardDSD Driver’s Safety DeviceDSE Display Screen EquipmentDSL Down Slow LineDSP Digital Signal ProcessingDSS formerly Department of Social SecurityDTG-R Distance To Go-RadioDTI Department of Trade and IndustryDTL Down Tilbury LoopDTMF Dual Tone Multi FrequencyDTN Data Transmission NetworkDTS Dynamic Track StabiliserDVD Driver's Vigilance Device. Usually a foot pedal, has function of old fashioned dead man's handle DVT Driving Van Trailer.Dwell time The time a train remain stationary at a stationDWL Dynamic Warning LightsDWP Department of Work and PensionsDWWP Delivering Work Within PossessionsDX Direct eXtract (air distribution system)

EE Energy (normally measured in J or Ws)E&G Edinburgh to Glasgow lineE&M Earth and MarkE&OD Engineering and Operations DevelopmentE&P Electrification and PlantE,L&N Early, Late and Night (turns of duty)E/E/PES Electrical /Electronic /ProgrammableEA East AngliaEAC Extended Arm ContractEAM Engineering Access ManagerEAMG Engineering Access Management GroupEARL Edinburgh Airport Rail link





Easement The relaxing of a fare rule for a special caseEAWA Electricity at Work ActEAZ East Anglia ZoneEAZIAL Easy Access Zonal Infrastructure AssetEBA Eisenbahnbundesamt (German Regulator)EBS Emergency Bypass Switch (on rolling stock)EC European CommissionEC4T Electric Current for TractionECC English China ClaysECML East Coast Main LineECO Electrical Control OperatorECR Electrical Control RoomECRO Electrical Control Room OperatorECS Empty Coaching StockECU (former) European Currency Unit (nowEDB Electrodynamic brakeEDI Electronic Data InterchangeEDP Electrification Distribution and PlantEDS Early Deployment Scheme EE English Electric EE&CS Electrical Engineering & Control SystemsEEB Eastern Electricity BoardEEC European Economic Community, now referredEEN Examining Engineer’s Nominee (for bridgeEFC External Financing ContributionEFE Electrification Fixed EquipmentEFL External Financing LimitEFPL Economical Facing Point LockEFRTC European Federation of RailwayEG Executive Grade: old style executive jobEHD East Ham DepotEI Electrical InstallationEIA Electronics Industry Association (standardsEIB European Investment BankEIM European Infrastructure ManagersEIP Examination In PublicEIRENE European Integrated railways RadioEK Economy Klaus (web log)ELCB Earth Leakage Circuit BreakerELL East London Line ELP East London PartnershipELR Engineers Line ReferenceEM Environmental ManagerEMC ElectroMagnetic CompatibilityEMGTPA Equivalent Million Gross Tonnes PerEMI ElectroMagnetic InterferenceEMP Environmental Management PlanEMS Environmental Management StatementEMT East Midlands TrainsEMU Electric Multiple UnitEN Euro NormENS European Night ServicesEOA End of AuthorityEOTD End of Train DeviceEP Electronic PrinciplesEPA Engineering Publications AssistantEPB Electro-Pneumatic BrakeEPBIC Electro-Pneumatic Brake Isolating CockEPD Engineering & Production DirectorateEPI Environmental Performance IndicatorEPROM Erasable Programmable Read OnlyEPS Earnings Per ShareEQAP EQuipment APpreciationER Employer’s RepresentativeERA European Railway AgencyERDF European Regional Development FundEROS Early Rationalisation Of SignallingERRAC European Rail Research Advisory CouncilERRI European Rail Research InstituteERTMS European Railway Traffic ManagementES Engineering SupervisorESI Electricity Supply IndustryESM Engineering Safety Management (YellowESMS Engineering Safety Management SystemESR Emergency Speed RestrictionESSD Electro-Static Sensitive Device





ETA Expected Time of ArrivalETB Electronic Token BlockETCS European Train Control SystemETD Expected Time of DepartureETE Electric Traction EngineersETH Eidgenössische Technische HochschuleETH index Electric Trains Heating Capacity (onETHERNET Computer cabling systemETM Electric Track MaintenanceETML European Traffic Management Layer ETR Electronic Train Recording.ETRB Electronic Train Register BookETRM Engineering Train Routing MapETS Electric Train SupplyEU European UnionEUCG End User Computing GroupEUKL Eurostar (UK) LtdEuroSPIN European Seamless PassengerEVA Ethylene Vinyl AcetateEversholt Rail Group Rolling Stock Company (ROSCO) formerly HSBC RailEVR Early Voluntary RetirementEWD Each Week DayEWI Emergency Warning IndicatorEWS English, Welsh & Scottish Railway Ltd.EWSA Engineering Works & Safety Arrangements.ExCo Railtrack Line Executive CommitteeEXD Exeter St DavidsExpotel hotel accommodation and conferenceExpress Sprinter Name given to British Rail class 158sEZP Electro Zinc Plating

FF/B Foot BridgeF/H FreeHoldFA Fixed AssetsFAQ Frequently Asked QuestionFAST Federation Against Software TheftFAT Factory Acceptance TestFBMIS Finance and Business ManagementFBP Fixed Block ProcessorFB-RAIL Flat Bottom RailFC Financial ControllerFCC First Capital ConnectFCU Fixed Communications UnitFDC Financial Data ControlFDDB Fibre Distributed DatabaseFDDI Fibre Distributed Data InterfaceFDM Frequency Division MultiplexFE Finite ElementsFEA Finite Element AnalysisFFG Freight Facilities GrantFFT Functional Fault TreeFG1 control key for 'Blue Square' type heritage DMMU's used for switching in the drivers deskFGE First Great EasternFGW First Great WesternFIBU FIfty hertz Booster UnitFIO For Information OnlyFIRM Fares Increases Regulation MechanismFIS Fault isolating switch (LUL)FLAWS A computer database of rail flawsFLT Freight Liner TerminalFLW First Late Western (critical term FGW) and a blog (now discontinued)FM Frequency ModulationFMEA Failure Mode and Effects AnalysisFMECA Failure Mode Effect and CriticalityFMES Fixed & Mobile Equipment SupplyFN Fault NumberFNW First North WesternFO Open FirstFOC Freight Operating CompanyFocal Friends of the Atlantic Coast Line [Newquay]FOR (train ticket) First class anytime returnFORI Fibre Optic Route IndicatorFOS (train ticket) First class anytime singleFoSBR Friends of Suburban Bristol RailwaysFOSS Freedom of Severn & Solent Rover





FOSW Freedom of (the) South West RoverFOU Freight Operating UnitFourfoot The space between two running rails (standard gauge)FP FootPath (level crossing)FPL Facing Point LockFPM Fire Precautions ManagerFR Feasibility ReportFRA Federal Railroad Administration, USAFRAME Fault Reporting And MonitoringFRED Financial Reporting Exposure DraftFRP Field Reporting ProceduresFRS Financial Reporting Standard,FS Feeder StationFSB Federation of Small BusinessesFSG Financial Statement Generator: a reportingFSH Full Screen HeightFSK Frequency Shift KeyingFSO (in timetables) Friday and Saturday onlyFSR First Scot RailFTA Fault Tree AnalysisFTN Fixed Telecom Network (Network Rail) FTP File Transfer ProtocolFTPE First Trans Pennine ExpressFTR Fitness To Run FTS Failure To StopFUG Freight UpGradeFURNO Until FURther NOticeFWI Fatality & Weighted InjuriesFWIW for what it's worthFX Foreign ExchangeFYI for your information

GG&SW Glasgow and South Western lineGA Greater AngliaGADEROS GAlileo DEmonstrator for Railway Operation System GBP Great Britain PoundGBPRT Great Britain Passenger Rail TimetableGBV Gross Book ValueGC Great CentralGCC Gauge Corner CrackingGCML Great Central Main LineGCR GloucesterGDI Graphical Data InterfaceGDP Gross Domestic ProductGE Great EasternGEML Great Eastern Main LineGENIUS GEmini for Non Integrating Unit StockGEOGIS GEOGraphic Information SystemGER Great Eastern RailwayGF Ground Framegif Graphic Interchange FileGIJ Glued Insulated rail JointGIS Geographic Information SystemGKS Guard's Key SwitchGL Goods LineGLE Grant Lyon & EagreGLW Gross Laden WeightGMITA Greater Manchester Integrated TransportGMITE Greater Manchester Integrated TransportGMPTA formerly Greater Manchester PassengerGMPTE formerly Greater Manchester PassengerGMT Greenwich Mean TimeGN Great Northern Line (Kings Cross toGNER Great North Eastern RailwayGNN Government News NetworkGOB Gospel Oak to Barking lineGOBL Gospel Oak to Barking LineGOCO Previous name for Go-Op Train - GOL Government Office for LondonGOSW Government Offices South WestGP General PurposeGPF General Protection Fault (in computing)GPL Ground Position LightGPR General Purpose Relief (staff)GPRS General Packet Radio Service





GPS Global Positioning by Satellite systemGRIP Guide to Railway Investment ProjectsGripper Nickname for ticket inspectors, due to their act of 'gripping', or stamping / punching, ticketsGRN Goods Received NoteGSM Global System for Mobile communicationsGSM Global System for Mobile communicationsGSM-R Global System for Mobile communications - RailwayGSP Ground Switch PanelGSPP General Specification for PossessionGSW Glasgow & South WesternGTD Group Tax DepartmentGTO Gate Turn Off ThyristorGTRM GT Railway MaintenanceGTS Greater Nottingham Rapid Transit SystemGUI Graphical User InterfaceGUV General Utility VanGW Great WesternGWH Great Western HoldingsGWML Great Western Main LineGWR Great Western RailwayGWRUS Great Western Route Utilisation Strategy (a Network Rail document)GWT Great Western TrainsGWUG Great Western UpGradeGWZ Great Western ZoneGZ (Safeguarded) Greenzone

HH&S Health and SafetyH&SE Health & Safety Executive (UK)H/S Hand SignallerHA Highways AgencyHABD Hot Axle Box DetectorHASAW Health And Safety At WorkHAZCHEM HAZardous CHEMicalHAZID HAZard IDentificationHAZOP HAZard OPerability studyHAZPAK training course for drivers of vehiclesHCA Historic Cost AccountingHD High Density (configuration of 125 for shorter distances)HDTH haven't done their homeworkHeadcode train reporting numberHeadway the minimum interval possible between trains on a particular section of trackHEP Head End PowerHEX Heathrow EXpressHFDG Human Factors Development GroupHIP Headquarters Investment PanelHi-viz High Visibilty reflective clothing, worn around railway lines and other operational areasHL High LevelHLOS High Level Output StatementHM Her Majesty’sHMFI Her Majesty’s Factory InspectorateHMG Her Majesty’s GovernmentHMI Human Machine InterfaceHMRI Her Majesty's Railway InspectorateHNRC Harry Needle Railroad Company locomotive operator HOBC High Output Ballast CleanerHOCM Head of Contract ManagementHoE Heart of EnglandHOE (HofE) Head Of EngineeringHOP Head Of ProjectsHOPO (HoPO) Head Of Projects OrganisationHOPP Head Of Property ProjectsHOTR High Output Track RenewalHoW Heart of Wessex, or Heart of Wales line HQ HeadQuartersHR Human ResourcesHRA Heritage Railway AssociationHRM Human Resources ManagerHRRP (Crossrail Project) Hazard Record ReviewHRS Human Resources SystemHS High Speed (short for HSS High Speed Services)HS1 High Speed line 1 - St Pancras to Channel TunnelHS2 The next High Speed line(s)HSC Health & Safety CommissionHSDR High Speed Data RingHSDT High Speed Diesel Train





HSE Health & Safety Executive (UK)HSM Hand Signal ManHSS High Speed ServicesHST High Speed TrainHST2 now obsolete shorthand for replacement for IC125. See IEP HSTRC High Speed Track Recording CoachHSTRT High Speed Track Recording TrainHSWA Health and Safety at Work Act 1974HT Hull TrainsHTML Hypertext Markup LanguageHTRWTM5 Heathrow, Terminal 5HTS High Tensile Steelhttpd Web server software used on this forumHV (hv) High VoltageHVAC Heating, Ventilating and Air ConditioningHVI High Voltage Impulse (track circuit type)HVITC High Voltage Impulse Track CircuitHW HardWareHz Hertz

II/L InterLockingIA Implementation AuthorityIAMS Integrated Asset Management SystemIATC Intermittent Automatic Train ControlIBH Intermediate Block Home SignalIBIS Internal Business Invoicing System: a formerIBJ Insulated Block JointIC InterCityICAEW Institute of Chartered Accountants ofICC International Convention CentreICDB Industry Capacity DataBaseICE Institution of Civil EngineersICM Infrastructure Contracts ManagerICMU Interference Current Monitoring Unit (on 3IDC Insulation Displacement ConnectorIDF Intermediate Distribution FrameIDMS Integrated Document Management SystemIDS Infrastructure Data ServerIDT (ID&T) Implementation, Development andIÉ Iarnród Éireann (Irish Rail)IEC International Electrotechnical CommissionIECC Integrated Electronic Control CentreIEE Institution of Engineering and TechnologyIEEE Institute of Electrical and ElectronicsIEP Intercity Express ProgrammeIERS International Environmental Rating SystemIFC Infrastructure Fault ControlIFS Independent Function SwitchIGBT Integrated Gate Bipolar TransistorIHHA International Heavy Haul Association, USAIIP Investors In PeopleIIRC if I recall/remember/read correctlyIKB Isambard Kingdom BrunelILGRI International Railway Inspectors GroupILM Railtrack Infrastructure Liability ManagerILWS Inductive Loop Warning SystemIM Infrastructure ManagerIMACS Inventory Management Accounting andIMC Infrastructure Maintenance CompanyIMC2 2nd generation Infrastructure MaintenanceIMCO Infrastructure Maintenance COmpanyIMDG International Maritime Dangerous GoodsIMechE Institution of Mechanical EngineersIMG Infrastructure Materials GroupIMHO in my humble opinionIMO in my opinionIMPACT Improved Manufacturing PerformanceIMPS Investment Monitoring and Planning System:IMR Interlocking Machine RoomIMU Infrastructure Maintenance UnitINLORS INner London Orbital Route StrategyIoD Institute of DirectorsIOM Isle of ManIORPS Integrated Operational Railway PlanningIP Intellectual Property





IR InfraRedIRJ Insulated Rail JointIRR Internal Rate of ReturnIRSE Institution of Railway Signal EngineersIRUG Ivybridge Rail Users GroupIS Information SystemISA Independent Safety AssessorISAR Information Systems Activity RequestISDN Integrated Services Digital NetworkISG Infrastructure Support GroupISM IECC System MonitorISO International Standards OrganisationISRS International Safety Rating SystemISTP Intermediate Signalling Technology:ISTR I seem to recall/rememberISU Infrastructure Services UnitISwA Independent Software AssessorIT Information TechnologyITA Integrated Transport AuthorityITE Institute of Transportation Engineers (UnitedITPM IT Process ModelITS Infrastructure Testing ServicesITT Invitation To TenderITU International Telecommunications UnionIVPS Intermediate Voltage Power SupplyIVRS Interim Voice Radio SystemIVS† Infrastructure Video System (Omnicom Ltd)IWA Individual Working AloneIZ Inter Zonal: the transfer of costs betweenIZPD Inter Zonal Possession Database

JJ Joule, international unit for energy (= Ws)Jacobs Company who produced reports on which current service level is basedJCN Job Cost NumberJCT Joint Construction TradesJD Job DescriptionJernbaneverket Norwegian railway infrastructureJLE Jubilee Line ExtensionJN (JC) Junctionjpg Joint Photographic Expert Group (picture file format)JPIP Joint Performance Improvement Plan (pronounced Jay-pip) JR Judicial ReviewJS1 basic signalling cable jointing and testingJS2 advanced signalling cable jointing and testingJSOP Joint Signing On PointJTC Jointless Track Circuit

KKDC Key Distribution CentreKE Kinematic (or kinetic) Envelopekm kilometre, 1000 mkm/h kilometre per hourKPI Key Performance IndicatorkVA kilovolt-Ampere

LL&B Land and BuildingsL/H LeaseholdL/S Late StartLA Local AuthorityLaira Laira, Plymouth (Depot)LAN Local Area Network (for computer systems)LAWS Low Adhesion Warning SystemLB Line BlockedLC Level CrossingLCAMS Low Carbon Austenitic ManganeseLCC Life Cycle CostingLCD Liquid Crystal DisplayLCP Local Control PanelLCR London and Continental RailwaysLCU Local Control UnitLD Light Diesel locomotiveLDDC (former) London Docklands DevelopmentLDG List of Dangerous Goods (obsolete)LDO Local Door Operation





LDT Long Distance TerminationLE Light Engine (or Light Electric loco)LEB London Electricity BoardLEC (former) London Electricity Contracting Ltd.LED Light Emitting DiodeLEM Local Estimating ManagerLENNON Latest Earnings Nationally Networked Over-Night (allocation of daily fares)LEU Lineside Electronic UnitLFB London Fire Brigade, now London Fire &LGV Ligne à Grande Vitesse: French high speedLHCS Locomotive Hauled Coaching StockLHS Locomotive Hauled StockLIFT London International Freight TerminalLIP Loco Inspection PointLITM Local IT ManagerLJU Line Jack UnitLL/H Long LeaseholdLLPA Long Lead (Line) Public AddressLM London Midland - current franchiseLMA Limit of Movement AuthorityLMD Light Maintenance Depot (for locos andLN Leeds NorthernLNE(Z) London North Eastern (Zone)LNER London North Eastern RailwayLOA Limit of AuthorityLOL laughing out loudLOOU locked out of useLOP Loss of PowerLOROL London Overground Railway Ltd.LOS Limit Of Shunt indicatorLOWS Lookout Operated Warning SystemLP Local ProcessorLPA Local Procurement AgentLPO Local Process OwnerLPS Local Policy StatementLRM Layout Risk ModelLRP Local Reporting PackLRPC London Regional Passengers’ CommitteeLRT Light Rail TransitLRV Light Rail VehicleLS (Network Rail) Line StandardLSB Local Sensor BusLSC Local Site ComputerLSL Long Swing Link Bogies (125)LSPD Local Safety Policy DocumentLSS London Shift SupplementLT London TransportLTA London Transport AuthorityLTC Long Term ChargeLTP Local Transport PlansLTS (former) London, Tilbury and SouthendLTV or L&TV London [and] Thames ValleyLU London UndergroundLUL London Underground LtdLV LiVerpool StreetLVDT Linear Variable Differential TransformerLWR Long Welded RailLWRT Long Welded Rail TrainLX (L/X) level crossing

Mm metre, international unit of lengthM&E Mechanical and ElectricalM&EE Mechanical & Electrical EngineerMA Movement AuthorityMAF Main Aspect FreeMAFF Ministry of Agriculture Fisheries & FoodManual (The) Nominally staff only online source for retail information for the rail industryMARA Master Availability and Reliability Agreement. The contract between DfT Rail and the Train Service Provider for IEP Marginal Time a train timed to run off peak to meet the franchise, not the customer's travel needsMART Mean Active Repair TimeMAS Management Aspects of SupervisionMATP Manual ATPMB level crossing with Manually lifted BarriersMB/s MegaBit per secondMBO Management Buy Out





MBS Motor Brake Second (or Standard)MBSS Moving Block Signalling SystemMCB Manually Controlled Barrier (of levelMCB-CCTV Manned Controlled Barrier with Closed Circuit TelevisionMCU Main Control UnitMDC Management Driven ChangeMDF Medium Density FibreboardMEAV Modern Equivalent Asset ValueMEBO Management and Employee Buy OutMEF Modern Equivalent FormMENTOR Mobile Electrical Network Testing Observation and Recording test train for OHLE MEP Member of European ParliamentMEWP Mobile Elevating Work PlatformMF (in timetables) Monday to FridayMFAS Modern Facilities at Stations MFO (in timetables) Monday and Friday OnlyMG11 Form to take a statement for use in courtMGL Multiple Groove LockingMGR Merry-Go-RoundMGT Mega (Million) Gross TonnesMHSW (MHSAW, MHSWR) Management ofMI Mechanical Installation PracticesMICC Management Information CommunicationsMids MidlandsMIMS Mincon Information Management System MIP Mobility Impaired PersonMIPS Million Instructions Per SecondMIS Management Information SystemMK Milton KeynesMk2 Mark 2 coachMKM MelkshamMLF Main Line FreightMLRI MultiLamp Route IndicatorMM Money MarketMMC Monopolies and Mergers CommissionMMI Man Machine Interface MMIS Maintenance Management InformationMML Minimum Monetary LimitMOD Ministry Of DefenceMOIRA System for modelling rail traffic flowsMOLA Master Operating Lease Agreement.MOM Mobile Operations ManagerMoP Member of the PublicMOS Mobile Operations SupervisorMP Major ProjectsMPC Miles Per Casualty - How many miles a train manages between breakdownsMPD Major Projects DivisionMPI Magnetic Particle InspectionMPM Multi Processor ModuleMPU Motive Power UnitMPV Multi Purpose VehicleMRB Meal Relief BreakMRDG Melksham Railway Development GroupMRP Management Reporting PackMRT Minimum Rail TemperatureMS Member State (of the EU)MSL Level crossing with Miniature Stop LightsMSP Measured Shovel PackingMSS Maximum Safe SpeedMTBF Mean Time Between FailuresMTBFF Mean Time Between Functional FailuresMTBHE Mean Time Between Hazardous EventsMTBSAF Mean Time Between Service AffectingMTBWF Mean Time Between Wrongside FailuresMTL Mersey Travel Ltd.MTLS More Train Less StrainMTP Mode of Travel PriorityMTR Mass Transit Railway, SingaporeMTRC MassTransit Railway Corporation, HongMTRT Matisa Track Recording TrolleyMTTR Mean Time To RepairMTTRS Mean Time To Restore ServiceMTU Motor Traction UnitMU Multiple UnitMUC Minimum Usage ChargeMVB Multifunctional Vehicle Bus





MWL Level crossing with Miniature red/greenMWO Minor Works OrderMySQL the database software this web site usesMZ Midland Zone (Lead Zone)MZSA Midland Zone Sponsor’s Agent

NN Newton, international unit of Force [kg m / ss]N&VMP Noise and Vibration Management PlanNAO National Audit OfficeNAPS National Accounts Payable System: a formerNASG National Applications Support GroupNAT Not Applicable TimetableNATM New Austrian Tunnelling MethodNBA National radio network Base stationNBV Net Book ValueNCC National Control CentreNCL Northern City LineNCR Non-Conformance ReportNDA Not Described AlarmNDE Non-Destructive EvaluationNDF No Defect FoundNDM Network Development ManagerNDN National Data Communications NetworkNDRUG North Devon Rail Users GroupNDT Non-Destructive TestingNEBOSH National Examination Board inNEC National Electrical Code (also known asNEG National Express GroupNEM National Estimating ManagerNEMA National Electrical ManufacturersNES National Rail Enquiry ServiceNET Nottingham Express TransitNEX National Express - parent company of Wessex TrainsNFF No Fault FoundNFPA National Fire Prevention AssociationNFRIP National Fleet Reliability Improvement Programme NG Normal GradeNI National InsuranceNIC National Insurance ContributionsNICS Non Intrusive Crossing SystemNIR National Incident RegisterNLC National Location CodeNLL North London Line (North WoolwichNLR North London RailwaysNMC Network Management CentreNMCSA Network Management Centre Sponsor'sNMP New Maintenance Programme NMS Network Management StatementNMT New Measurement TrainNNTR Notified National Technical RuleNNTRs Notified National Technical Rules National specifications, such as UK loading gauges, where TSI cannot apply NoBo Notified BodyNOL Notice of LiabilityNPB Non-powered bogieNPCCS Non Passenger Carrying Coaching StockNPM National Procurement ManagerNPMEA National Planning Manager, Eng. AccessNPO National Process OwnerNPS National Payroll SystemNPV Net Present ValueNPW Normal Place of WorkNR Network RailNRA National Rivers AuthorityNRCoC National Rail Conditions of CarriageNRES National Rail Enquiry ServiceNRG National Records GroupNRLS Network Rail Line StandardsNRM Nominated Responsible ManagerNRN National Radio NetworkNRNA National Radio Network AppreciationNRS National Railway Supplies (now UniPart)NRSC Network Rail railway Safety CaseNRV National Reference ValueNS Nederlande SpoorwegenNSA National Safety Authority





NSC National Supply ContractNSE formerly Network South EastNSFG National SPAD Focus Group NSKT No Signaller Key TokenNSR National Safety Rule NSTR No Signaller Token RemoteNTBEP Not To Be Exceeded PriceNTN National Teleprinter NetworkNTO National Training OrganisationNTP North Trans Pennine routeNTPC National Transaction Processing Centre:NTR National Track RenewalsNVQ National Vocational QualificationNWR Normal Working ResumedNWT North Western TrainsNWZ North West ZoneNX eNtrance - eXit (Signal Box Control Panel)NXEA National Express East AngliaNXEC National Express East CoastNXGW National Express Great WesternNYMR North Yorkshire Moors Railway

OO&I Operations and InterfaceO&M Operation & Maintenance (manual)O&SPA Operational and Support hazard AnalysisO/B OverBridgeÖBB Österreichische BundesbahnenOC Open CrossingOCB Oil Circuit BreakerOCC Operations Control CentreOCC (or Occ) OccupiedOCL Operational Communications LinkOCS One Control Switch (signalling panel)OCU Operator’s Control UnitOD (od) Outside DiameterODPM Office of the Deputy Prime Minister OE Outside EdgeOEIS One Engine In SteamOEL Occupational Exposure LimitOEO One Engine Only (class 43 HSTs with problems)OETR Outline Engineering Train RequirementsOFN Optical Fibre NetworkOHE Over-Head ElectrificationOHL OverHead LineOHLE OverHead Line EquipmentOHNS OverHead Line Neutral SectionOJEC Official Journal of the European CommunityOJEU Official Journal of the European UnionOLBI Off-line battery inverter (LUL)OLC Occupation Level CrossingOLE Overhead Line EquipmentOLEAR Overhead Line Equipment Asset RegisterOLEMI Overhead Line Equipment Master IndexOMR Operations, Maintenance & Renewal (usually applied to Network Rail expenditure) One under London Underground term for someone being struck by, or falling under, a trainOO (Double O) - model railway, 4mm to 1 foot scaleOOC Old Oak Common (depot)OOG Out Of GaugeOOO Out Of OrderOOR Out Of RoundOOU Out of UseOP Outside PartyOPEX Operating EXpenditureOPM Operational Planning ManagerOPO One Person OperationOPRAF Office of Passenger RAil FranchisingOPS Outline Project SpecificationOPU Operational Planning UnitOPUG Other Passenger UpgradesORCATS Operational Research Computerised Allocation of Tickets to ServicesORE Office de Recherches et d'EssaisORN Overlay Radio NetworkOROR Outside Rules Of the RouteORR Office of Rail RegulationOS Ordnance Survey





OSG Operation Safety GroupOSGR Ordnance Survey Grid ReferenceOSI Open Systems InterconnectOTDR Optical Time Domain ReflectometerOTM On-Track MachineOTMR On Train Monitoring RecorderOTP On-Track PlantOTW One Train WorkingOWW Oxford Worcester and WolverhamptonOyster Smartcard system used by passengers on Tfl services

PP ProgrammeP&C Points and Crossings: an alternativeP&E Plant and EquipmentP&L Profit and LossP&M Plant & MachineryP&R Park and Ridep.a. per annumP3 Primavera Project PlannerPa Pascal, international unit of pressure [N / m2]PABS Passenger track Access Billing SystemPABX Private Automatic Branch eXchangePAC Platform ATO CommunicatorPACE Police & Criminal Evidence ActPACS Public Affairs Correspondence SystemPACT PAved Concrete Track: a slab track systemPAD Paddington (London)PADS Parts And Drawing SystemPAF Project Authority FormPAL Property Action LinePALADIN Performance And Loading AnalysisPAM Product Acceptance ManagerPAMX PrivAte Manual branch eXchangePAO Passenger / As Ordered Traincrew travelling before/after working a serviceParly A "Parliamentary" or minimal train service, operated to avoid the legal closure process: usually at a very infrequent levelPasscom Passenger Communication - the emergency handle, communication chord or chainPAT Performance Action TrackingPAX Private Automatic ExchangePAYE Pay As You Earn (i.e., income tax)PBI Processor Based InterlockingPBT Profit Before TaxPBX Private Branch eXchangePC Personal ComputerPCB Printed Circuit BoardPCI Positive Crew IdentificationPCM Production Control ManagerPCS&TE Profit Centre Signal &PCSE(M) Profit Centre Signal EngineerPCSE(W) Profit Centre Signal Engineer (Works)PCTE Profit Centre Telecommunications EngineerPCV Petty Cash VoucherPD Project DeliveryPDAC Performance Data Accuracy CodePDFH Passenger Demand Forecasting HandbookPDH Plesiochronous Digital HierarchyPDM Project Development ManagerPDMX Programmable Digital MultiplexerPDP Personal Development PlanPDS Project Definition StagePDT Portable Data TerminalPEA Passenger Emergency Alarm (LUL)PEARLS Personnel Enquiries and AdministrationPEARS Paladin data Extract And RecordingPEDROUTE Passenger flow modelling toolPER Portable (relocatable) Equipment RoomPERTIS Permit to travelPESRCY PassEnger Service RequirementPETS Public Emergency Telephone SystemPF Passsenger FocusPFI Private Finance InitiativePFM Performance Focus ManagerPFPI Process For Performance ImprovementPH Professional HeadPHA Preliminary Hazard AnalysisPhase 0 Period of interim and full running of Virgin





Phase 1 Period of full running on WCML at speedsPhase 2 Full service after April 2005 at speeds of upPHIS Performance Historical Information SystemPHP The programming language used on this web sitePI Platform IndicatorPIC Person in ChargePICOP Person In Charge Of PossessionPICP Pollution Incident Control PlanPIDS Passenger Information Display SystemPIE Performance Improvement ExecutivePIM Precursor Indicator ModelPIMS Programme Integrated Management SystemPIO Police Incident OfficerPIP Property Investment PanelPIPS Packaging and Investment Planning SystemPIS Passenger Information SystemPIXC Passengers In eXcess of Capacity (bespokepkm passenger kilometresPLC Public Limited CompanyPLGS Position Light Ground SignalPLJI Position Light Junction IndicatorPLOD Patrolman's LockOut Device (TracksidePLRA Private Locomotive Registration AgreementPLS Position Light SignalPLUG Pride Local User GroupPM Project ManagerPM Production ManagerPMBX Private Manual Branch ExchangePMCS Project Management Control SystemPMI Project Manager's InstructionPMT Project Management TeamPMUX Panel MUltipleXerPNB Personal Needs BreakPO Purchase OrderPOA Payment On AccountPOD Point Of DerailmentPOM Possession Optimisation ManagerPOMG Police Incident OfficePON Periodical Operating NoticePorterbrook Rolling Stock Company (ROSCO)PORTIS Portable Ticket Issuing Machine companion to APTIS PORV Possession Only Rail VehiclePOSA Proceed On Sight AuthorityPP Period available for PossessionsPPE Personal Protective EquipmentPPG Planning Policy GuidancePPM Panel Processor ModulePPP Period Possession PlanPPTC Powered Plant Training ChainsawPPTD Powered Plant Training Disc CutterPR Public RelationsPRB Personalised Rule BookPRDC Princess Royal Distribution Centre (RoyalPRI Preliminary Routing IndicatorPRIDE Passenger Rail Information DisplayPRIMA Professional Rail Industry ManagementPRM PRocurement ManagerPROCSYS Procurement ControlPROJEX PROJect EXpenditurePROM Programmable Read Only MemoryPROMISE Planning and ResOurces MonItoringPROMPT PRiority On Managing PerformancePSB Power Signal BoxPSBR Public Sector Borrowing RequirementPSD Platform Screen DoorPSM Performance Strategy ManagerPSN Packet Switched NetworkPSO Public Service ObligationPSPP Particular Specification for PossessionPSR Permanent Speed RestrictionPSRG Project Strategy Review GroupPSS Provincial Sector Services (aka Regional Railways, in the latter years of BR)PSTN Public Switched TelecommunicationsPT&R Promotion Transfer & RedundancyPTA Passenger Transport AuthorityPTA (see ITA) Passenger Transport Authority





PTE Passenger Transport ExecutivePTE/A Passenger Transport Executive/AuthorityPTI Positive Train IdentificationPTM Permanent Timetable ManagerPTO Public Telecommunications OperatorPTS Personal Track SafetyPTT Public Time-TablePTW Permit To WorkPU Stops to Pick Up onlyPUG1 & 2 Passenger Up Grades 1&2 on (WCML)PUWER Provision and Use of WorkplacePVC PolyVinyl ChloridePW Parallel WingPWay Permanent Way (track, ballast etc)PWI Permanent Way InstitutionPWM Pulse Width ModulationPWMA Permanent Way Maintenance AssistantPWME Permanent Way Maintenance EngineerPWRA Private Wagon owners RegistrationPWS Permanent Way SupervisorPWSS Permanent Way Section Supervisor

QQA Quality AssuranceQAM Quality Assurance ManagerQM Quality ManualQMS Quality Management SystemQR As in QR Code - Quick Response code (2D bar code)QRA Quantified Risk Analysis / AssessmentQRP Quarterly Reporting PackQS Quantity SurveyorQSRA Quantified Schedule Risk Assessment Quail Track diagrams by TRACKmapsQX Qualifying eXceptions

RR&PA Route and Programme AnalystR&R Rationalisation and ResignallingR(SCW)R Railway (Safety Critical Work)R/G level crossing with miniature Red & GreenR/T Right TimeR3G RAIB Recommendation Review GroupRA Radio AgencyRAB Regulatory Asset BaseRAC Risk Assessment CriteriaRAFS RAil Freight billing SystemRAG Radstock Action GroupRAI Right Away IndicatorRAIB Railway Accident Investigation BranchRAILTEL RAILway TELephone projectRAM Random Access MemoryRAMS Reliability, Availability, Maintainability andRAP Remedial Action ProjectRAR Railtrack Asset RegisterRAVERS Rail Vehicle Reporting SystemRBC Radio Block CentreRC Reinforced ConcreteRCC Route Control CentreRCD Residual Current DeviceRCDO Railway Crossing Diversion OrderRCE Regional Civil EngineerRCF Rolling Contact FatigueRCH Railway Convalescent HomeRCI Railtrack Controlled InfrastructureRCL Railway Claims LtdRCM Reliability Centred MaintenanceRCM(2) Remote Condition MonitoringRCM2 Combination of RCM and RCM(2)RCS Radio Control SystemRD GEC time division multiplex, type RDRDA Regional Development AgencyRDN Railtrack Director’s NomineeRDO Relevant Delivery OrganisationRE Resident EngineerREB Relocatable Equipment BuildingRecovery time extra time in schedule to allow for late running





RED Railtrack Energy DatabaseREFOS Running Edge to Face Of StructureREG Railtrack Executive GroupREN Ringer Equivalence Number, unit of load forRENFE Spanish National Railways (Red Nacional de Ferrocarriles Espanoles)Renlog infrastructure renewals logREPTA Railway Employees Privilege TicketRES Rail Express Systems (now part of DB Schenker)RETB Radio Electronic Token BlockRF Radio FrequencyRfD (RFD) Railfreight Distribution (DB Schenker)RFF Réseau Ferré de France (French infrastructureRFI Rete Ferroviaria Italiana (Italian InfrastructureRfL Rail for LondonRGS Railway Group StandardRGSP Railway Group Safety PlanRHA Road Haulage AssociationRHS Rectangular Hollow SectionRHT Railway Heritage TrustRI Relay InterlockingRIA Railway Industry AssociationRIAC Railway Industry Advisory CommitteeRIBA Royal Institute of British ArchitectsRIC Rail Incident CommanderRICA Regional Independent Commercial AuditorRICP Rail Incident Control PostRID Regulations governing International carriageRIDDOR '95 Reporting of Injuries, Disease andRIDRR Railway Industry Dispute Resolution RulesRIFAA Rail Industry First Aid AssociationRIG Railway Industry GroupRight-away Term used to inform the train driver that it is safe to proceedRII Relay Interlocking InterfaceRIL Railtrack Insurance Ltd.RIMINI RIsk MINImisation RIO Rail Incident OfficerRIP (former) Railtrack Investment PanelRIPM Railtrack Investment Prioritisation ModelRIR Railways Interoperability RegulationsRISAS Railway Industry Supply Approval Scheme RISC Reduced Instruction Set ComputerRISSC Railway Industry Safety Strategy ComitteeRITC Railway Industry Training CouncilRITS Rail Infrastructure Transport SystemRIV Regolamento Internazionale VagoniRJIS Rail Journey Information SystemRL Relief Line (see also Slow Line)RLE Rail Link EngineeringRM Route ModernisationRMG Railtrack Management GroupRMMM Rail Mounted Maintenance MachineRMPD Route Modernisation Product DeliveryRMS Risk Management SystemRMT national union of Rail, Maritime andRNA Railway Notification of AccidentsRNIB Royal National Institute for the BlindRO Rail OperatorROA Right On ArrivalROAD Railway jargon for railway lineROCE Return On Capital EmployedROGS Railways and Other Guided TransportROI Return On InvestmentROM Read Only MemoryROP Rules Of the PlanROR Rules of the RouteROS Restriction of SpeedROSCO ROlling Stock leasing COmpanyROSIN Railway Open System InterconnectionROTP Rules Of The PlanROTR Rules Of The RouteROTS Railways and Other Transport SystemsROW Renewal Of WayRPA Regional Planning Assessment RPG Regional Planning guidance. RPI Retail Price IndexRPL (formerly) Rail Property Ltd.: a subsidiary of





RPM Route Performance Manager (organisationRPPS Rail Passenger Partnership SchemeRPS Radio Propagation SystemRQ runs if requiredRRD Rolling Radius DifferenceRRI Route Relay InterlockingRRIP Route Relay Interlocking ProcessorRRNE Regional Railways North EastRRNW Regional Railways North WestRRUK Rail Research UK RRV Road Rail VehicleRS (former) Railway SafetyRSA Railway Study AssociationRSAB Rolling Stock Acceptance BoardRSABGP RSAB Group which provides support toRSAG Railway Safety Advisory GroupRSBS Railway Standard Building SpecificationRSC Railway Skills Council (Sector SkillsRSCI Real Staff Cost IncreaseRSF Right Side FailureRSL Rolling Stock LibraryRSP Rail Settlement Plan RSPG Railway Safety Principles & GuidanceRSRS Railtrack Safety Rating SystemRSS Regional Spatial StrategyRSSB Rail Safety and Standards BoardRSSP Railway Strategic Safety PlanRSTL Rail Staff Travel Ltd (Travel Facilities:RT Radiographic TestingRT1A Railtrack Infrastructure MaintenanceRT1B Railtrack Track Renewal Contract +RTA Road Traffic AccidentRTAC RailTrack Access ConditionsRTFM Read The Flipping Manual (a more polite definition)RTFN RailTrack Fault NumberRTG RailTrack Group PLCRTHQ RailTrack HeadquartersRTI Real Time Information (displays)RTIS RailTrack Information SystemsRTLS RailTrack Line StandardRTM (and RTFM) Read The Manual!RTMZ RailTrack Midlands ZonRTP Real Time ProtocolsRTPI Real Time Passenger Information systemRTS Rapid Transit SystemRTU Remote Terminal UnitRUCC Rail Users’ Consultative Committee(s):RUG Rail User GroupRUPP (former) Road Used as a Public PathRX Receiver (of Track Circuits and Communications

Ss (in timetables) stops to set down onlyS&C Switches & CrossingsS&DJR Somerset & Dorset Joint RailwayS&F Switches & FittingsS&SD Railtrack’s Safety and StandardsS&SM Safety and Standards ManagerS&T Signalling and TelecommunicationsS&TE Signal and Telecommunications EngineerS.L/H Short LeaseHoldSA Safety AuthoritySAA Station Access AgreementSAC Station Access ConditionsSAE Society of Automotive EngineersSAM Switch Activating MechanismSAP Safety Assessment PanelSAT Site Acceptance TestSB Signal BoxSBB Schweizerische BundesbahnenSC Signalling CentreSCADA Supervisory Control And Data AcquisitionSCC Supervisory Control CentreSchedule 4 The possession planning regimeSchedule 8 The performance regime with TOCsSCHLID SCHeduLe IDentity: TOPS term for a





SCI Standard Contract InterpretationSCM Senior Contracts ManagerScot (SCOT) ScotlandSCS Signalling Control SystemSCU Signalling Compatibility UnitSCUK Signalling Controls UK Ltd, now part ofSCW Safety Critical WorkSCWID Safety Critical Work Identity (card)SD Standard DeviationSDA Solid state interlocking Data AppreciationSDDR Short distance data recorderSDH Synchronous Digital HierarchySDO Selective Door OpeningSDR Simplified Direct ReportingSDS Signalman's Display SystemSDT Service Disruption ThresholdSEC Southern Electric CompanySEE Systems Engineering EnvironmentSELAC Salisbury to Exeter Lineside Consortium of AuthoritiesSEO Search Engine OptimisationSER Signalling Equipment RoomSET South Eastern Trains SETA Signalling Equipment Technical AgentSETI Search for Extraterrestrial IntelligenceSEU Signalling Equivalent UnitsSFAIRP So Far As Is Reasonably PracticableSFO Senior Fire OfficerSFT Stress Free TemperatureSG Special GroundSGT Serco Gauging TrainSHA Safety Hazard AnalysisSHRT South Hampshire Rapid TransitSI Site InstructionSIC System Interface CommitteeSICA Signalling Infrastructure ConditionSIGTAN SIGnalling equipment Technical AdviceSIGWEN SIGnalling equipment WorkshopSIL Safety Integrity LevelSIMBIDS SIMplified BI Directional SignallingSIMS Safety Incident Management SystemSIN Site Instruction NoticeSINAC Special Inspection Notice Action CompleteSINCS SIgnalling INCident SystemSINMON Special Inspection Notice MONitorSIO Station Incident Officercentred at a station premisesSIP Strike-In PointSIPS Supplier Performance Monitoring SystemSIS Staff Information SystemSITS Security Incident Tracking SystemSIVS Station Inspector Viewing SystemSixfoot Space between two running lines (standard gauge)SK Second KorridorSLA Service Level AgreementSLC Service Level CommitmentSLE Sleeper (coach)SLOA Steam Locomotive Operators AssociationSLU Standard Length UnitSLW Single Line WorkingSMA Signalling Maintenance AssistantSMC System Management CentreSME Signalling Maintenance EngineerSMF Simple Machines Forum - The software we use on this siteSMFD Systems Management Framework DesignSMG Systems Management GroupSMIC Site Manager’s Information CompendiumSMIS Safety Management Information SystemSMOS Structure Mounted Outdoor SwitchgearSMS Station Management SystemSMT Signalling Maintenance TestingSMTH Signal Maintenance Tester’s HandbookSNCB Société Nationale des Chemins de FerSNCF Société Nationale des Chemins de FerSNWPT Signalling New Works Production Team SO Second (or Standard) OpenSOCO Scene Of Crime OfficerSODA Single Option Development Authority





SoFA Statement of Funds Available. Part of Periodic Review Process. SOR Anytime Return [ticket type] (formerly 'Standard Open Return')SOS Anytime Single [ticket type] (formerly 'Standard Open Single')SOWC Shows Occupied When ClearSOY SPAD Starting Off Yellow SPAD SP Single PhaseSP&SN Single Phase and Switched NeutralSPA Special Protected AreaSPAD Signal PAssed at DangerSPADMIS Signal Passed At Danger throughoutSPADRAM SPAD Reduction & MitigationSpAg Sponsor’s AgentSPAM unsolicited advertising emails or forum posts, usually sent out in bulkSPC Senior Production ControllerSPI Safety Performance IndicatorSPM Senior Project ManagerSPOC Single Point Of ContactSPT Signal Post TelephoneSPTA Strathclyde Passenger Transport AuthoritySPV Special Purpose Vehicle (ProjectSPWEE Safety Procedures for Working onSQE Safety, Quality and EnvironmentSQL Structured Query LanguageSR ScotRailSRA Strategic Rail AuthoritySRB Short Rest BreakSRG Safety Review GroupSRI Signalling Restructuring InitiativeSRNTP Southern Region New Trains ProgrammeSRO Standing Room OnlySRP Station Regeneration ProgrammeSRPSU Southern Region Power Supply Upgrade SRPTA SRP Secretariat Technical AdvisorSRS Safety Responsibility StatementSRT Sectional Running TimeSRUG Saltash Rail Users GroupSSA Station Specific AnnexeSSAP Statement of Standard Accounting PracticeSSDC Signalling Systems Direct CurrentSSG Safety Strategy GroupSSHA SubSystem Hazard AnalysisSSI Solid State InterlockingSSIC Solid State Interlocking ControllerSSIDES Solid State Interlocking DESignSSIDWS Solid State Interlocking DesignSSIHA SubSystem Interface Hazard AnalysisSSISIM Solid State Interlocking SIMulatorSSL Short Swing Link bogies (125)SSM Safety Strategy ManagerSSn-FTA Subsystem Fault Tree AnalysisSSO Special Stop OrderSSP Signalling Supply PointSSR Spread Spectrum RadioSSRA Shadow Strategic Rail AuthoritySSRB Special Speed Restriction BoardSSS Super Off Peak Single [ticket type]SSSI Site of Special Scientific InterestSSTC Strategically Significant Towns and CitiesSSTD Solid State Train DescriberSSW Safe System of WorkSTA Supplementary Track Access (Agreement)STABS Signalling and Telecommunications AreaSTAG Severn Tunnel Action GroupStanox Station Number (5 digit code)STAR Signalling & Telecommunications AssetSTEP Safety, Teamwork, Excellence,STN Special Traffic NoticeSTO Senior Technical OfficerSTOPS Signalling and TelecommunicationsSTP Short Term Planning: one off bids for trainSTT Save the TrainSuO (in timetables) Sunday onlySVP Safety Verification PlanSVR Off Peak ReturnSVS Off Peak Single [ticket type]SW Software





SWA (swa) Steel Wire Armoured (cable)Swap Body a system for conveying road freightSWELTRAC South WEst London TRAnsportSWIFT Structured ‘What IF?’ Technique: a processSWIMCo formerly South West IinfrastructureSWL South Wales LineSWML South Western Mail LineSWOT Strengths, Weaknesses, Opportunities andSWRDA South West Regional Development Agency SWRS Slough and Windsor Railway SocietySWT South West TrainsSWTH Signalling Works Testing HandbookSX (in timetables) Saturday exceptedSYITA South Yorkshire Integrated TransportSYITE South Yorkshire Integrated TransportSYPTE formerly South Yorkshire PassengerSZ Scotland Zone

TT&H Tottenham & HampsteadT&RS Traction & Rolling StockT&V Trespass & VandalismT2000 Transport 2000 (now Campaign for Better Transport)TAA Track Access AgreementTAC Telecomms Appreciation CourseTADS Telecommunications Asset Database SystemTAG Track Access GrantTAN Track Access NoticeTARDIS TOPS Ancillary Retrospective DataTarka Line from Barnstaple to ExeterTAS Technical Assurance StrategyTASS Tilt Authorisation & Speed SupervisionTB Token(less) BlockTBA To Be AdvisedTBE To Be EvaluatedTBH to be honestTBS Transmission Based SignallingTBTC Transmission Based Train ControlTBTCS Transmission-Based Train Control System, Same as TBS TBW Temporary Block WorkingTC Track CircuitTCA Track Circuit ActuatorTCAID Track Circuit Actuator InterferenceTCB Track Circuit BlockTCF Track Circuit FailureTCI Track Circuit InterrupterTCIC TripCock Isolating Cock (LUL)TCM Time Cycle MaintenanceTCN Train Communications NetworkTCOC Track Circuit Operating ClipTCOD Track Circuit Operating DeviceTCP/IP Transmission Control Protocol / InternetTCS Traffic Control SystemTD Train DescriberTDA TRUST Delay AttributionTDM Time Division MultiplexTDMA Time Division Multiple Access protocolTDMS Title Deeds Management SystemTDS Train Diagnostic SystemTE Zone Telecommunications EngineerTEB Telephone Enquiry BureauxTEE Trans Europe ExpressTEN Trans European NetworkTenfoot Space between two pairs of running lines (standard gauge)TENS Trans European Network StrategyTEP Token Exchange PointTESCO TEchnical Service COmpanyTEU Twenty Foot Equivalent Unit (containerTF Trailer FirstTFB Trailer First Buffet (Mark 3 coach type)TfL Transport for LondonTFM Trackside Functional ModuleTGA Traction Gel Application (equipment used in winter)TGM Transport Gateway Metro (services proposedTGS Trailer Guard Standard (Mark 3 coach type)TGV Train á Grande Vitesse: French high speed





Third rail Conductor rail which supplies power to the trainTIC Technical Investigation CentreTID Track IDentityTIE Transport Initiative Edinburgh . Responsible for EARL TIF Transport Innovation FundTIIS Train Infrastructure Interface SpecificationTIMI TelecommunIcations Maintenance InstructionTiploc Timing Point LocationTIPS Telecommunications Installation andTIR Transports Internationaux RoutiersTIS Track Isolating Switchtkm tonne kilometresTL Through LineTL2000 ThamesLink 2000TLA three letter acronymTLC Telephone protection only Level CrossingTLD Top level domainTLDR Too Long - didn't readTM Train ManagerTMD Traction Maintenance DepotTME Track Maintenance EngineerTMO Train crew Manually Operated level crossingTMP Traffic Management PlanTMS Traffic Management SystemTNA Training Needs AnalysisTNM Train Network ManagementTO Team OrganiserTOC Train Operating CompanyTOHD TOPS Operations Help DeskTOL Train On LineTOLO Train Operator Liaison OfficerTOOS Taken Out Of ServiceTOPS Total Operations Processing SystemTOR Top of railTORR Train Operated Route ReleaseTORUS TransportOperations Rapid Update SystemTOU Train Operating UnitTOWS Train Operated Warning SystemTP&SN Three Phase and Switched Neutral: type ofTPC Trackside Processing CentreTPD trains per dayTPE Trans Pennine ExpressTPH Trains per HourTPO Travelling Post OfficeTPPP Transport Policies and Programme PackageTPS Traction Power SupplyTPT Train Positioning and TrackingTPWS Train Protection and Warning SystemTPWS+ Train Protection and Warning System PlusTPWS-E Train Protection and Warning SystemTPWSSA TPWS Sponsor's AgentTQ Technical QueryTQI Track Quality IndexTQSUM Track Quality SUMmaryTRACA TRAck Condition AssessmentTrain Staff A tablet given to driver of all trains working a single lineTRAMM Track Renewal And MaintenanceTransWilts Line from Swindon to Westbury and on to SalisburyTRB Train Recording BookTRC Track Recording CoachTRE Track Recording EngineerTRFB Trailer Restaurant First Buffet (Mark 3 coach type)TRS Train Ready to StartTRSMD Traction & Rolling Stock Maintenance depotTRTS Train Ready To Start indicatorTRU Track Recording UnitTRUB Trailer Restaurant Unclassified BuffetTRUK Trailer Restaurant Unclassified KitchenTRUST Train RUnning Systems on TOPSTRV Track Recording VehicleTS Trailer SecondTS&I Technical Services and InnovationTSC Track Sectioning CabinTSD Trailer Standard Disabled (Mark 3 coach type)TSDB Train Service Data BaseTSI Technical Specification for Interoperability





TSM Track Section ManagerTSO Trailer Second OpenT-SPA Track Strategic Planning Application TSR Temporary Speed RestrictionTSSA Transport Salaried Staffs’ AssociationTSSU Time Slot Sharing UnitTT Time TableTTBOMK to the best of my knowledgeTTCI Tranportation Technology Center Inc - Research arm of the Association of American RailroadsTTP Time Table ProcessorTU Transport UndertakingTUPE Transfer of Undertakings (Protection ofTurbo Class 165 and 166 trains used on Thames Valley servicesTV Thames ValleyTVM Transmission Voie Machine, French ATPTWA Transport & Works ActTWAO Transport and Works Act OrderTWCRP Trans Wilts Community Rail PartnershipTWE Track Welding EngineerTWO Transport and Works OrderTWSW Travel Watch South WestTX Transmitter (in track circuits and communications

Uu (in timetables) stops to pick up onlyUB UnderBridgeUEL Up Electric LineUFL Up Fast LineUFN Until Further NoticeUGL Up Goods Line or Up Goods LoopUIC Union Internationale des Chemins de FerUK United KingdomUM (UML) Up Main (Line)UNISIG European signalling manufacturers group for ERTMS UPFN Un Paid Fare Notice (used on XC)UPL Up Platform Line or Up Passenger LoopUPS Uninterruptible Power SupplyUPWSF UnProtected Wrong Side FailureURFD Ultrasonic Rail Flaw DetectionURFDO Ultrasonic Rail Flaw Detector OperatorURL Up Relief LineURS Up Refuge SidingUSA Urgent Safety AdvicesUSL Up Slow LineUT Ultrasonic TestingUTS Ultrasonic Testing SystemUTU Ultrasonic Test UnitUTX Under Track CrossingUWC User Worked CrossingUWG public road crossing with User Worked GatesUWSF Unprotected Wrong Side FailureUWTF Unprotected Wrongside Telecommunications

VV/T-SIC Vehicle / Track Systems InterfaceV/V-SIC Vehicle / Vehicle Systems InterfaceVAB Vehicle Acceptance BoardVAL Validation Action LabelVAMPIRE Vehicle dynAmic Modelling Package inVAT Value Added TaxVATT Virgin Active Tilt TrainsVCB Vacuum Circuit BreakerVCC Virgin Cross CountryVCU Vehicle Control UnitVDP Vertical Design PackageVDU Visual Display Unit, for computersVDV Vibration Dose ValueVLR Visitors Location RegisterVM Value ManagementVMFL Vehicle Mounted Flange LubricatersVNCAB Vehicle and Network Change ApprovalsVO Variation OrderVOBC Vehicle OnBoard Control / ComputerVPF (VOPF) Value of Preventing a FatalityVPI Vital Processor InterlockingVRAC Vehicle and Route Acceptance Contract





VRG Virgin Rail GroupVSOE Venice Simplon Orient ExpressVSTP Very Short Term PlanVT Virgin TrainsVTI Vehicle Track InteractionVTISM Vehilce Track Interaction Strategic ModelVTSIM Vehicle/Track Interface Strategic Model VWC Virgin West CoastVXC Virgin Cross Country - former franchise

WW Watt (electrical unit)W&S Wrexham and Shropshire (Open Access Operator)W&W Wales and West - (before Wessex Trains!)W/m Watt per metre (heat loss unit)W/m2 Watt per metre squared (heat flow unit)W/S Work StationW3C World Wide Web ConsortiumWA West Anglia Lines (Liverpool Street toWABTEC Westinghouse Air Brake Technologies CorporationWACC Weighted Average Cost of CapitalWAG Welsh Assembly Government WAGN West Anglia Great NorthernWAN Wide Area NetworkWARC West Anglia Route ControllerWARM West Anglia Route ModernisationWARP West Coast Advanced Recovery ReliabilityWBS Work Breakdown StructureWC Wiltshire Council (Unitary Authority)WCC Wiltshire County Council (Until March 2009)WCML West Coast Main LineWCML RM West Coast Main Line RouteWCRM West Coast Route ModernisationWEN Weekly Engineering NoticeWessex Name of franchise which used to run the regional and local trains in the WestWESTRACE WESTinghouse Radio AdvancedWHM Well House Manor (where I work - please excuse advert)WI Warning IndicatorWILD Wheel Impact Load DetectorWIP Works In ProgressWLC Whole Life CostWLL West London LineWLRM Whole Life Rail ModelWMITA West Midlands Integrated TransportWMITE West Midlands Integrated TransportWMP Waste Management PlanWMPTA formerly West Midlands PassengerWMPTE formerly West Midlands PassengerWOE West of EnglandWoEML West of England Main LineWON Weekly Operating NoticeWPI Wholesale Price IndexWR SSTD Western Region Solid State TrainWRISA Wheel Rail System Interface AuthorityWRSL Westinghouse Rail Systems Ltd.WRT with regard to WS&WR Wilts, Somerset and Weymouth Railway (GWR main line via Melksham, Westbury and Yeovil to Weymouth)WSF Wrong Side FailureWSMR Wrexham, Shropshire and Marylebone RailwayWSO Work Station OperatorWSP Wheel Slip ProtectionWTB Wire Train BusWTF Wrong side Telecommunications FailureWTT Working Time TableWW Wales and West Passenger TrainsWWDC West Wiltshire District CouncilWWRUG West Wiltshire Rail Users GroupWWW World Wide WebWYITA West Yorkshire Integrated TransportWYITE West Yorkshire Integrated TransportWYPTA formerly West Yorkshire PassengerWYPTE formerly West Yorkshire PassengerWYSIWYG What You See Is What You Get

Xx (in timetables) stops on request





XC Cross Country franchise trains (now run by Arriva)XCT Cross Country TrainsXLPE Cross-Linked PolyEthyleneXO CrossoverXR Crossrail

YYB2 Yellow Book issue 2 (ESM)YB3 Yellow Book issue 3 (ESM)YMMV Your Method/Mileage May VaryYTD Year To Date

ZZCAM Zonal Corporate Affairs ManagerZCRG Zonal Commercial Review GroupZD Zone DirectorZEPE Zone Electrical and Plant EngineerZFC Zone Freight ControllerZIAR Zone Infrastructure Asset RegisterZIP Zone Investment PanelZOC Zone Operational ControlZPAM Zonal Public Affairs ManagerZPUG Zonal Possession User GroupZTE Zone Telecommunications EngineerZulu Special Train

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