Difference between revisions of "Delay Attribution Guide"

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(Updated to DAG April 2015)
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The [http://www.delayattributionboard.co.uk/documents/dag_pdac/April%202013%20DAG.pdf Delay Attribution Guide] contains a list of delay attribution codes and reasons.  The same codes are used in [[Train_Cancellation | Train Cancellation messages]] sent on the [[Train_Movements | Train Movements]] feed.  The current (April 2013) codes are listed here for reference.
+
The [http://www.delayattributionboard.co.uk/documents/dag_pdac/April%202015%20hard%20copy%20DAG_Index_briefing%20notes.pdf Delay Attribution Guide] contains a list of delay attribution codes and reasons.  The same codes are used in [[Train_Cancellation | Train Cancellation messages]] sent on the [[Train_Movements | Train Movements]] feed.  The current (April 2015) codes are listed here for reference.
  
 
Codes are grouped in to several sections:
 
Codes are grouped in to several sections:
  
* '''A*''' - Freight terminal operating company causes
+
* '''A*''' - Freight Terminal Operations Causes
* '''F*''' - Freight operating company causes
+
* '''F*''' - Freight Train Operator causes (excluding Fleet and Terminal problems)
* '''I* and J*''' - Infrastructure causes
+
* '''I* and J*''' - Non Passenger’s Charter Excludable infrastructure problems
* '''M* and N*''' - Mechanical and Fleet Engineer causes
+
* '''M* and N*''' - Passenger and Freight Train Operator Fleet problems
 
* '''O*''' - Network Rail operating causes
 
* '''O*''' - Network Rail operating causes
* '''P*''' - Planned or Excluded delays or cancellations
+
* '''P*''' - Planned or Excluded delays/cancellations
* '''Q*''' - Network Rail non-operating causes
+
* '''Q*''' - Network Rail internal non-operating causes
* '''R*''' - Station operating company causes
+
* '''R*''' - Station operating causes
* '''T*''' - Passenger operating company causes
+
* '''T*''' - Passenger Train Operator causes (excluding Fleet and Station problems)
* '''V*''' - Passenger Charter excludable (TOC responsibility) causes
+
* '''V*''' - Passenger’s Charter excludable events the responsibility of Passenger Train Operators
* '''X*''' - Passenger Charter excludable (Network Rail responsibility) causes
+
* '''X*''' - Passenger’s Charter excludable events the responsibility of Network Rail
* '''Y*''' - Reactionary delays
+
* '''Y*''' - Reactionary/consequential delays arising as a result of trains being delayed earlier by a given incident
 
* '''Z*''' - Unexplained delays and cancellations
 
* '''Z*''' - Unexplained delays and cancellations
  
Line 25: Line 25:
 
|----
 
|----
 
|AA  
 
|AA  
|Waiting Terminal/Yard acceptance
+
|Waiting acceptance into off Network Terminal or Yard  
 
|ACCEPTANCE  
 
|ACCEPTANCE  
|----
 
|AB
 
|Waiting Customer release of documentation
 
|DOCUMENTS
 
 
|----
 
|----
 
|AC  
 
|AC  
Line 37: Line 33:
 
|----
 
|----
 
|AD  
 
|AD  
|Terminal/Yard staff shortage including reactionary congestion caused by the shortage  
+
|Off Network Terminal or Yard staff shortage including reactionary congestion caused by the shortage  
 
|WTG STAFF  
 
|WTG STAFF  
 
|----
 
|----
 
|AE  
 
|AE  
|Congestion in Terminal/Yard  
+
|Congestion in off Network Terminal or Yard
 
|CONGESTION  
 
|CONGESTION  
|----
 
|AF
 
|Terminal/Yard equipment failure - cranes etc
 
|EQUIPMENT
 
 
|----
 
|----
 
|AG  
 
|AG  
Line 53: Line 45:
 
|----
 
|----
 
|AH  
 
|AH  
|Customer equipment breakdown/reduced capacity  
+
|Customer or off Network yard equipment breakdown/reduced capacity
 
|BREAKDOWN  
 
|BREAKDOWN  
 
|----
 
|----
 
|AJ  
 
|AJ  
|Waiting Customer's traffic including ship/road/air connections and Mail deliveries.
+
|Waiting Customer’s traffic including documentation
 
|TRAFFIC  
 
|TRAFFIC  
 
|----
 
|----
 
|AK  
 
|AK  
|Fire in freight yard / terminal (including private sidings, and stations Ð where it affects FOC services)  
+
|Fire in freight yard / terminal (including private sidings, and stations - where it affects FOC services)  
 
|INF FIRE  
 
|INF FIRE  
 
|----
 
|----
Line 67: Line 59:
 
|Failure of FOC-owned infrastructure  
 
|Failure of FOC-owned infrastructure  
 
|FOC INFRA  
 
|FOC INFRA  
|----
 
|AY
 
|Mishap in Terminal/Yard or on Terminal/Yard infrastructure
 
|FTO MISHAP
 
 
|----
 
|----
 
|AZ  
 
|AZ  
|Other Freight Operating Company, cause to be specified  
+
|Other Freight Operating Company. Cause to be specified, including mishaps in off Network terminals or yards
 
|FTO OTHER  
 
|FTO OTHER  
 
|----
 
|----
Line 79: Line 67:
 
|Dangerous goods incident  
 
|Dangerous goods incident  
 
|DGI INCDT  
 
|DGI INCDT  
|----
 
|FB
 
|Train stopped on route due to incorrect marshalling
 
|REMARSHALL
 
 
|----
 
|----
 
|FC  
 
|FC  
 
|Freight train driver  
 
|Freight train driver  
 
|FCDRIVER  
 
|FCDRIVER  
|----
 
|FD
 
|Booked loco used on additional/other service
 
|LOCO USED
 
 
|----
 
|----
 
|FE  
 
|FE  
|Traincrew rostering error/not available, including crew relief errors
+
|Train crew not available  
 
|NO T/CREW  
 
|NO T/CREW  
 
|----
 
|----
Line 101: Line 81:
 
|----
 
|----
 
|FH  
 
|FH  
|Train crew/loco diagram/planning error (See also DAG Section 4.31.2)
+
|Planning error including loco diagram  
 
|DIAG ERROR  
 
|DIAG ERROR  
 
|----
 
|----
 
|FI  
 
|FI  
|Delay in running due to the incorrect operation of the on- board ETCS/ ERTMS equipment Ð i.e. wrong input by driver.  
+
|Delay in running due to the incorrect operation of the on- board ETCS/ ERTMS equipment - i.e. wrong input by driver.  
 
|ETCS INPUT  
 
|ETCS INPUT  
 
|----
 
|----
 
|FJ  
 
|FJ  
|Train held at Customer's request  
+
|Train held at FOC request  
 
|RETIME REQ  
 
|RETIME REQ  
 
|----
 
|----
 
|FK  
 
|FK  
|Train diverted/re-routed at Customer's request  
+
|Train diverted or re-routed at FOC request  
 
|DIVERT REQ  
 
|DIVERT REQ  
 
|----
 
|----
 
|FL  
 
|FL  
|Train cancelled at Customer's request  
+
|Train cancelled at FOC request  
 
|CANCEL REQ  
 
|CANCEL REQ  
 
|----
 
|----
Line 129: Line 109:
 
|----
 
|----
 
|FO  
 
|FO  
|Delay in running believed to be due to Operator, but no information available from that Operator  
+
|Delay in running believed to be due to train operator, but no information available from that Operator  
 
|FOC UNEX  
 
|FOC UNEX  
 
|----
 
|----
 
|FP  
 
|FP  
|Incorrect route taken or route wrongly challenged by driver, including SPADÕs
+
|Incorrect route taken or route wrongly challenged by driver, including SPAD's
 
|FTO MISRTE  
 
|FTO MISRTE  
 
|----
 
|----
Line 149: Line 129:
 
|----
 
|----
 
|FW  
 
|FW  
|Late start/yard overtime not explained by Operator
+
|Late start/yard overtime not explained by train operator
 
|LATE START  
 
|LATE START  
 
|----
 
|----
Line 155: Line 135:
 
|Freight train running at lower than planned classification  
 
|Freight train running at lower than planned classification  
 
|LOW CLASS  
 
|LOW CLASS  
|----
 
|FY
 
|Mishap caused by Freight Operating Company or on FOC-owned infrastructure
 
|FOC MISHAP
 
 
|----
 
|----
 
|FZ  
 
|FZ  
|Other Freight Operating Company causes, including Freight Operating Company Control directive, cause to be specified  
+
|Other FOC causes incl. FOC control directive, cause to be specified, including mishaps.
 
|FOC OTHER  
 
|FOC OTHER  
 
|----
 
|----
Line 193: Line 169:
 
|----
 
|----
 
|I7  
 
|I7  
|Engineer's train late/failed in possession  
+
|Engineer's train late or failed in possession  
 
|ENGNRS TRN  
 
|ENGNRS TRN  
 
|----
 
|----
Line 221: Line 197:
 
|----
 
|----
 
|IE  
 
|IE  
|Power failure  
+
|Signalling functional power supply failure  
|POWER FLR
+
|SIG FUNC PWR
 
|----
 
|----
 
|IF  
 
|IF  
Line 231: Line 207:
 
|Block failure  
 
|Block failure  
 
|BLOCK FLR
 
|BLOCK FLR
 +
|----
 +
|IH
 +
|Power supply and distribution system failure
 +
|PWR SUP DIS
 
|----
 
|----
 
|II  
 
|II  
|Power Supply cable fault/fire due to cable fault  
+
|Signalling lineside cable fault  
|CABLE FLR
+
|SIG CABL FLR
 
|----
 
|----
 
|IJ  
 
|IJ  
Line 255: Line 235:
 
|HABD/Panchex/WILD/Wheelchex  
 
|HABD/Panchex/WILD/Wheelchex  
 
|HABD FAULT
 
|HABD FAULT
|----
 
|IO
 
|No fault found/HABD/Panchex/WILD/Wheelchex
 
|NFF
 
 
|----
 
|----
 
|IP  
 
|IP  
Line 279: Line 255:
 
|Bumps reported - cause not known  
 
|Bumps reported - cause not known  
 
|BUMP RPRTD
 
|BUMP RPRTD
|----
 
|IU
 
|Engineers on-track plant affecting possession
 
|ONTRACK EQ
 
 
|----
 
|----
 
|IV  
 
|IV  
Line 291: Line 263:
 
|Non severe- Snow/Ice/Frost affecting infrastructure equipment  
 
|Non severe- Snow/Ice/Frost affecting infrastructure equipment  
 
|COLD
 
|COLD
|----
 
|IY
 
|Mishap - Network Rail causes
 
|INF MISHAP
 
 
|----
 
|----
 
|IZ  
 
|IZ  
Line 305: Line 273:
 
|----
 
|----
 
|J2  
 
|J2  
|TRTS Failure
+
|Network Rail train dispatch equipment failure excluding telecoms equipment
 
|TRTS FLR  
 
|TRTS FLR  
 
|----
 
|----
Line 315: Line 283:
 
|Safety Issue No Fault Found  
 
|Safety Issue No Fault Found  
 
|INF NFF  
 
|INF NFF  
|----
 
|J5
 
|NR DOO monitor/mirror failure
 
|DOO MON FLR
 
 
|----
 
|----
 
|J6  
 
|J6  
Line 331: Line 295:
 
|Damage to infrastructure caused by on-track machine whilst operating in a possession  
 
|Damage to infrastructure caused by on-track machine whilst operating in a possession  
 
|ONTRK DMG  
 
|ONTRK DMG  
 +
|----
 +
|J9
 +
|Preventative Maintenance to the infrastructure in response to a Remote Condition Monitoring Alert
 +
|RCM ALERT
 
|----
 
|----
 
|JA  
 
|JA  
Line 339: Line 307:
 
|Reactionary Delay to 'P' coded TSR  
 
|Reactionary Delay to 'P' coded TSR  
 
|PLND TSR  
 
|PLND TSR  
|----
 
|JC
 
|Telecom cable failure (transmission sys & cable failures )
 
|COMM LINKS
 
 
|----
 
|----
 
|JD  
 
|JD  
Line 355: Line 319:
 
|Critical Rail Temperature speeds, (other than buckled rails)  
 
|Critical Rail Temperature speeds, (other than buckled rails)  
 
|HEAT SPEED  
 
|HEAT SPEED  
|----
 
|JI
 
|Swing/lifting bridge failure
 
|SWING BDGE
 
 
|----
 
|----
 
|JK  
 
|JK  
Line 367: Line 327:
 
|Network Rail/TRC Staff error  
 
|Network Rail/TRC Staff error  
 
|STAFF  
 
|STAFF  
|----
 
|JM
 
|Change of Signal Aspects - no fault found
 
|ASPECT CHG
 
|----
 
|JN
 
|Possession cancellation
 
|POSSN CANC
 
|----
 
|JO
 
|Rolling Contact Fatigue
 
|RCF
 
 
|----
 
|----
 
|JP  
 
|JP  
|Failure to maintain vegetation within network boundaries in accordance with prevailing Network Rail standards  
+
|Failure to maintain vegetation within network boundaries in accordance with prevailing Network Rail standards, including where signals are obscured and a train strikes branches.
 
|VEG STD  
 
|VEG STD  
|----
 
|JQ
 
|Trains striking overhanging branches/vegetation (not weather- related)
 
|TREE OHANG
 
|----
 
|JR
 
|Signals/track signs obscured by vegetation
 
|HIDDEN SIG
 
 
|----
 
|----
 
|JS  
 
|JS  
|Condition of Track TSR Outside Rules of Route
+
|Condition of Track TSR outside the Timetable Planning Rules  
 
|COTTSR ORR  
 
|COTTSR ORR  
 
|----
 
|----
Line 405: Line 345:
 
|----
 
|----
 
|M0  
 
|M0  
|Safety systems failure (DSD/OTMR/Vigilance)
+
|Confirmed Train cab based safety system fault
|DSD
+
|CAB SYS
 
|----
 
|----
 
|M1  
 
|M1  
|Pantograph fault or PANCHEX activation (positive)
+
|Confirmed Pantograph ADD, shoe beam or assoc.system faults Incl. positive PANCHEX activations
|PANTOGRAPH
+
|PANTO/SHOE
 
|----
 
|----
 
|M2  
 
|M2  
 
|Automatic Dropper Device activation  
 
|Automatic Dropper Device activation  
 
|ADD  
 
|ADD  
|----
 
|M3
 
|Diesel loco failure/defect/attention: other
 
|DIESL OTH
 
|----
 
|M4
 
|EMU failure/defect/attention: brakes
 
|EMU BRAKE
 
|----
 
|M5
 
|EMU failure/defect/attention: doors (including SDO equipment failure)
 
|EMU DOOR
 
|----
 
|M6
 
|EMU failure/defect/attention: other
 
|EMU OTHER
 
 
|----
 
|----
 
|M7  
 
|M7  
|DMU (inc. HST/MPV) failure/defect/attention: doors (including SDO equipment failure and excluding Railhead Conditioning trains).
+
|Door and Door system faults
|DMU DOOR
+
|DOORS
 
|----
 
|----
 
|M8  
 
|M8  
|DMU (inc. HST/MPV) failure/defect/attention: other (excluding Railhead Conditioning trains)
+
|Other technical failures above the Solebar
|DMU OTHER
+
|ABOVE SB
 
|----
 
|----
 
|M9  
 
|M9  
 
|Reported fleet equipment defect - no fault found  
 
|Reported fleet equipment defect - no fault found  
 
|NFF  
 
|NFF  
|----
 
|MA
 
|Electric loco (inc. IC225) failure/defect/attention: brakes
 
|ELEC BRAKE
 
 
|----
 
|----
 
|MB
 
|MB
|Electric loco (inc. IC225) failure/defect/attention: traction
+
|Electric loco failure, defect, attention.
|ELEC TRAC
+
|ELEC LOCO
 
|----
 
|----
 
|MC
 
|MC
|Diesel loco failure/defect/attention: traction
+
|Diesel loco failure, defect, attention.
|DIESL TRAC
+
|DIESL LOCO
 
|----
 
|----
 
|MD
 
|MD
|DMU (inc. HST)/MPV failure/defect/attention: traction (excluding Railhead Conditioning trains)
+
|Other technical failures below the solebar
|DMU TRAC
+
|BELOW SB
 
|----
 
|----
 
|ME
 
|ME
Line 467: Line 387:
 
|International/Channel Tunnel locomotive failure/defect/attention  
 
|International/Channel Tunnel locomotive failure/defect/attention  
 
|CHUNL LOCO
 
|CHUNL LOCO
|----
 
|MG
 
|Coach (inc. Intl/IC225) failure/defect/attention: brakes
 
|COACH BRKE
 
|----
 
|MH
 
|Coach (inc. Intl/IC225) failure/defect/attention: doors
 
|COACH DOOR
 
|----
 
|MI
 
|Coach (inc. Intl/IC225) failure/defect/attention: other
 
|COACH OTHR
 
|----
 
|MJ
 
|Parcels vehicle failure/defect/attention
 
|PARCEL VEH
 
|----
 
|MK
 
|DVT/PCV failure/defect/attention
 
|DVT PCV
 
 
|----
 
|----
 
|ML
 
|ML
|Freight vehicle failure/defect attention (inc. private wagons)
+
|Wagons, coaches and parcel vehicle faults
|FRGHT VEH
+
|WAGONS
|----
 
|MM
 
|EMU failure/defect/attention: traction
 
|EMU TRAC
 
 
|----
 
|----
 
|MN
 
|MN
|DMU (inc. HST/MPV) failure/defect/attention: brakes (excluding Railhead Conditioning trains)
+
|Brake and brake systems faults; including wheel flats where no other cause had been identified
|DMU BRAKE
+
|BRAKES
|----
 
|MO
 
|Loco/unit/vehicles late off depot (cause not known)
 
|STOCK LATE
 
 
|----
 
|----
 
|MP
 
|MP
|Loco/unit adhesion problems  
+
|Rail and or wheel interface, adhesion problems
 
|ADHESION
 
|ADHESION
|----
 
|MQ
 
|Electric loco (inc. IC225) failure/defect/attention: other
 
|ELEC OTHER
 
 
|----
 
|----
 
|MR
 
|MR
|Hot Box or HABD/WILD activation (positive)
+
|Sanders and scrubber faults
|HOT BOX
+
|WHEELS
 
|----
 
|----
 
|MS
 
|MS
|Stock change or replacement by slower vehicles (all vehicle types)
+
|Planned underpowered or shortformed service and or vehicle, incl. exam set swaps
|STOCK CHNG
+
|ALLOC STCK
 
|----
 
|----
 
|MT
 
|MT
|Safety systems failure (AWS/TPWS/ATP)
+
|Confirmed train borne safety system faults
|AWS TPWS
+
|SS TB
 
|----
 
|----
 
|MU
 
|MU
Line 533: Line 421:
 
|----
 
|----
 
|MW
 
|MW
|Weather Ð effect on T&RS equipment  
+
|Weather - effect on T&RS equipment  
 
|WEATHER
 
|WEATHER
|----
 
|MX
 
|Diesel loco failure/defect/attention: brakes
 
|DIESL BRKE
 
 
|----
 
|----
 
|MY
 
|MY
|Mishap Ð T&RS cause
+
|Coupler and Coupler system faults
|TRS MISHAP
+
|COUPLER
|----
 
|MZ
 
|Other Fleet Engineer causes/initial attribution
 
|T+RS OTHER
 
 
|----
 
|----
 
|NA  
 
|NA  
|Ontrain TASS Failure
+
|On-train TASS/TILT failure
|TASS
+
|TASS/TILT
|----
 
|NB
 
|TASS Ð No fault found
 
|TASS NFF
 
|----
 
|NC
 
|Fire in fleet depot not caused by vandals (includes caused by vandals in respect of freight depots)
 
|DEP FIRE
 
|----
 
|ND
 
|On train ETCS/ ERTMS failure
 
|ETCS
 
|----
 
|O2
 
|ACI Failures
 
|ACI FAIL
 
 
|----
 
|----
 
|OB  
 
|OB  
 
|Delayed by signaller not applying applicable regulating policy  
 
|Delayed by signaller not applying applicable regulating policy  
|Regulation
+
|REGULATION
 
|----
 
|----
 
|OC  
 
|OC  
Line 614: Line 478:
 
|ON  
 
|ON  
 
|Delays not properly investigated by Network Rail  
 
|Delays not properly investigated by Network Rail  
|Mis-invest
+
|MIS-INVEST
|----
 
|OO
 
|Late start of a RHC
 
|RHC
 
 
|----
 
|----
 
|OP  
 
|OP  
Line 629: Line 489:
 
|----
 
|----
 
|OS  
 
|OS  
|Delays to other trains caused by a Railhead Conditioning train taking unusually long time in section or at a location
+
|Late start or delays to Railhead Conditioning Train (RHC) including any reactionary delay to other trains  
 
|RHC LATE  
 
|RHC LATE  
 
|----
 
|----
 
|OU  
 
|OU  
 
|Delays un-investigated  
 
|Delays un-investigated  
|Un-invest
+
|UN-INVEST
 
|----
 
|----
 
|OV  
 
|OV  
Line 643: Line 503:
 
|Connections held where the prime incident causing delay to the incoming train is a FOC owned incident and service is more frequent than hourly  
 
|Connections held where the prime incident causing delay to the incoming train is a FOC owned incident and service is more frequent than hourly  
 
|FOC CONN  
 
|FOC CONN  
|----
 
|OY
 
|Mishap - Network Rail Operating cause
 
|NR MISHAP
 
 
|----
 
|----
 
|OZ  
 
|OZ  
Line 653: Line 509:
 
|----
 
|----
 
|PA  
 
|PA  
|Trackwork TSR within Rules of the Route
+
|TSR within Timetable Planning Rules
 
|PLANND TSR  
 
|PLANND TSR  
 
|----
 
|----
 
|PB  
 
|PB  
|Condition of Track TSR within Rules of the Route
+
|Condition of asset TSR within Engineering Access Statement (EAS)
 
|PLANND COT  
 
|PLANND COT  
|----
 
|PC
 
|Condition of Bridge TSR within rules of the route
 
|PLANND COB
 
 
|----
 
|----
 
|PD  
 
|PD  
Line 677: Line 529:
 
|----
 
|----
 
|PG  
 
|PG  
|Planned cancellation by Train Operator  
+
|Planned cancellation by Train Operator including Bank Holiday schedules
 
|PLAND CANC  
 
|PLAND CANC  
|----
 
|PH
 
|Condition of Earthworks TSR within Rules of the Route
 
|PLND COE
 
|----
 
|PI
 
|TSR for Schedule 4 Possession
 
|SCH 4 TSR
 
 
|----
 
|----
 
|PJ  
 
|PJ  
|Duplicate delay  
+
|Cancellation of a duplicate or erroneous schedule or associated duplicate delay
 
|DUPLICATE  
 
|DUPLICATE  
|----
 
|PK
 
|Bank Holiday Cancellation
 
|BANK HOL
 
 
|----
 
|----
 
|PL  
 
|PL  
Line 703: Line 543:
 
|Minor delays to VSTP service caused by regulation / time lost in running.  
 
|Minor delays to VSTP service caused by regulation / time lost in running.  
 
|VSTP DELAY  
 
|VSTP DELAY  
|----
 
|PS
 
|Cancellation of a duplicate or erroneous schedule
 
|DUPE SCHLD
 
 
|----
 
|----
 
|PT  
 
|PT  
Line 717: Line 553:
 
|----
 
|----
 
|QA  
 
|QA  
|WTT Schedule / LTP process  
+
|WTT Schedule and or LTP process including erroneous simplifiers.
 
|WTT SCHED  
 
|WTT SCHED  
 
|----
 
|----
 
|QB  
 
|QB  
|Planned engineering work - diversion/SLW not timetabled (outside rules of the route)  
+
|Planned engineering work - diversion/SLW not timetabled (outside the Timetable Planning Rules.)
 
|DIVRSN/SLW  
 
|DIVRSN/SLW  
 
|----
 
|----
Line 737: Line 573:
 
|----
 
|----
 
|QM  
 
|QM  
|STP schedule / STP process  
+
|Train Schedule/STP process including erroneous simplifiers
 
|STP SCHED  
 
|STP SCHED  
 
|----
 
|----
Line 745: Line 581:
 
|----
 
|----
 
|QP  
 
|QP  
|Reactionary Delay to ÒPÓ coded Possession  
+
|Reactionary Delay to "P" coded Possession  
 
|PLND LOP  
 
|PLND LOP  
|----
 
|QQ
 
|Simplifier Error Ops Planning
 
|OPS S ERR
 
 
|----
 
|----
 
|QT  
 
|QT  
 
|Delay accepted by Network Rail as part of a commercial agreement where no substantive delay reason is identified  
 
|Delay accepted by Network Rail as part of a commercial agreement where no substantive delay reason is identified  
 
|TAKEBACK  
 
|TAKEBACK  
|----
 
|QZ
 
|Other Network Rail non-Operating causes
 
|COMM OTHER
 
 
|----
 
|----
 
|R1  
 
|R1  
Line 803: Line 631:
 
|Lift/escalator defect/failure  
 
|Lift/escalator defect/failure  
 
|LIFT/ESC  
 
|LIFT/ESC  
|----
 
|RF
 
|Loading/unloading letter mails/parcels
 
|MAIL/PRCLS
 
 
|----
 
|----
 
|RH  
 
|RH  
Line 833: Line 657:
 
|----
 
|----
 
|RN  
 
|RN  
|Passengers ÒforcingÓ connections between trains outside connectional allowances  
+
|Passengers "forcing" connections between trains outside connectional allowances  
 
|PASS CONN  
 
|PASS CONN  
 
|----
 
|----
Line 897: Line 721:
 
|----
 
|----
 
|TA
 
|TA
|Traincrew/loco/stock/unit diagram error (See also DAG Section 4.31.2)
+
|Traincrew/loco/stock/unit diagram error  
 
|DIAG ERROR
 
|DIAG ERROR
 
|----
 
|----
 
|TB
 
|TB
|Train cancelled/delayed at Train OperatorÕs request  
+
|Train cancelled/delayed at Train Operator's request  
 
|TOC REQST
 
|TOC REQST
 
|----
 
|----
Line 1,025: Line 849:
 
|----
 
|----
 
|VH  
 
|VH  
|Communication cord/emergency train alarm operated  
+
|Communication cord or emergency train alarm operated  
 
|COM CORD  
 
|COM CORD  
 
|----
 
|----
Line 1,045: Line 869:
 
|----
 
|----
 
|VZ  
 
|VZ  
|Other passenger/external causes the responsibility of TOC  
+
|Other passenger or external causes the responsibility of TOC  
 
|EXT OTHER  
 
|EXT OTHER  
 
|----
 
|----
 
|X1
 
|X1
|Visibility in semaphore signalled areas, or special working for fog and falling snow implemented by Network Rail Ð in all signalling areas  
+
|Visibility in semaphore signalled areas, or special working for fog and falling snow implemented by Network Rail - in all signalling areas  
 
|SPL REGS
 
|SPL REGS
 
|----
 
|----
Line 1,057: Line 881:
 
|----
 
|----
 
|X3
 
|X3
|Lightning Strike Ð damage to protected systems.  
+
|Lightning Strike - damage to protected systems.  
 
|LGHTNG
 
|LGHTNG
 
|----
 
|----
Line 1,129: Line 953:
 
|----
 
|----
 
|XR
 
|XR
|Cable vandalism/theft  
+
|Cable vandalism or theft  
 
|CABLE CUT
 
|CABLE CUT
|----
 
|XS
 
|Level Crossing misuse
 
|XNG MISUSE
 
 
|----
 
|----
 
|XT
 
|XT
Line 1,157: Line 977:
 
|----
 
|----
 
|YA  
 
|YA  
|Lost path - regulated for train running on time
+
|Lost path - regulated for train running less late
 
|REG-ONTIME  
 
|REG-ONTIME  
 
|----
 
|----
Line 1,165: Line 985:
 
|----
 
|----
 
|YC  
 
|YC  
|Lost path - following train running on time
+
|Lost path - following train running less late
 
|FOL-ONTIME  
 
|FOL-ONTIME  
 
|----
 
|----
Line 1,173: Line 993:
 
|----
 
|----
 
|YE  
 
|YE  
|Lost path - waiting acceptance to single line  
+
|Waiting to/from single line
 
|TO S/LINE  
 
|TO S/LINE  
|----
 
|YF
 
|Waiting for late running train off single line
 
|OFF SLINE
 
 
|----
 
|----
 
|YG  
 
|YG  
 
|Regulated in accordance with Regulation Policy  
 
|Regulated in accordance with Regulation Policy  
|CORRCT REG  
+
|REG INSTRC
|----
 
|YH
 
|Late arrival of inward loco
 
|INWD LOCO
 
 
|----
 
|----
 
|YI  
 
|YI  
|Late arrival of inward stock/unit
+
|Late arrival of booked inward stock
 
|INWD STOCK  
 
|INWD STOCK  
 
|----
 
|----
 
|YJ  
 
|YJ  
|Late arrival of Traincrew on inward working
+
|Late arrival of booked Traincrew
 
|INWD CREW  
 
|INWD CREW  
 
|----
 
|----
Line 1,201: Line 1,013:
 
|----
 
|----
 
|YL  
 
|YL  
|Waiting passenger connections within Connection Policy
+
|Waiting passenger connections within connections policy, contingency plan or otherwise agreed by NR/TOC
 
|AUTHSD CON  
 
|AUTHSD CON  
 
|----
 
|----
 
|YM  
 
|YM  
|Special stop orders agreed by Control
+
|Special stop orders within the contingency plan or agreed by NR/TOC
 
|AUTHSD SSO  
 
|AUTHSD SSO  
 
|----
 
|----
 
|YN  
 
|YN  
|Booked traincrew not available for late running train
+
|Service Recovery- booked train crew, not available  
 
|FIND CREW  
 
|FIND CREW  
 
|----
 
|----
Line 1,217: Line 1,029:
 
|----
 
|----
 
|YP  
 
|YP  
|Delayed by diverted train
+
|Delays due to diversions from booked route or line
 
|DIVERSION  
 
|DIVERSION  
 
|----
 
|----
 
|YQ  
 
|YQ  
|Passenger overcrowding caused by a train being of short- formation  
+
|Passenger overcrowding caused by a train being of short formation  
 
|SHRT FRMD  
 
|SHRT FRMD  
 
|----
 
|----
|YU
+
|YR
|Prime cause of most unit swaps
+
|Tactical cancellation for service recovery not caused by late running
|UNIT SWAPS
+
|SR CNCL
 +
|----
 +
|YT
 +
|Reactionary delay to a train that is not leaving the network, by a train that is leaving the network
 +
|NON NR INF
 
|----
 
|----
 
|YX  
 
|YX  
|Passenger overcrowding caused by delay/cancellation of another train  
+
|Passenger overcrowding caused by delay or cancellation of another train  
 
|OVER CRWD  
 
|OVER CRWD  
 
|----
 
|----

Revision as of 15:57, 4 July 2015

The Delay Attribution Guide contains a list of delay attribution codes and reasons. The same codes are used in Train Cancellation messages sent on the Train Movements feed. The current (April 2015) codes are listed here for reference.

Codes are grouped in to several sections:

  • A* - Freight Terminal Operations Causes
  • F* - Freight Train Operator causes (excluding Fleet and Terminal problems)
  • I* and J* - Non Passenger’s Charter Excludable infrastructure problems
  • M* and N* - Passenger and Freight Train Operator Fleet problems
  • O* - Network Rail operating causes
  • P* - Planned or Excluded delays/cancellations
  • Q* - Network Rail internal non-operating causes
  • R* - Station operating causes
  • T* - Passenger Train Operator causes (excluding Fleet and Station problems)
  • V* - Passenger’s Charter excludable events the responsibility of Passenger Train Operators
  • X* - Passenger’s Charter excludable events the responsibility of Network Rail
  • Y* - Reactionary/consequential delays arising as a result of trains being delayed earlier by a given incident
  • Z* - Unexplained delays and cancellations

Delay Attribution Codes

Code Cause Abbreviation
AA Waiting acceptance into off Network Terminal or Yard ACCEPTANCE
AC Waiting train preparation or completion of TOPS list/RT3973 TRAIN PREP
AD Off Network Terminal or Yard staff shortage including reactionary congestion caused by the shortage WTG STAFF
AE Congestion in off Network Terminal or Yard CONGESTION
AG Adjusting Loaded wagons LOAD INCDT
AH Customer or off Network yard equipment breakdown/reduced capacity BREAKDOWN
AJ Waiting Customer’s traffic including documentation TRAFFIC
AK Fire in freight yard / terminal (including private sidings, and stations - where it affects FOC services) INF FIRE
AX Failure of FOC-owned infrastructure FOC INFRA
AZ Other Freight Operating Company. Cause to be specified, including mishaps in off Network terminals or yards FTO OTHER
FA Dangerous goods incident DGI INCDT
FC Freight train driver FCDRIVER
FE Train crew not available NO T/CREW
FG Driver adhering to company professional driving standards or policy PRO DVR
FH Planning error including loco diagram DIAG ERROR
FI Delay in running due to the incorrect operation of the on- board ETCS/ ERTMS equipment - i.e. wrong input by driver. ETCS INPUT
FJ Train held at FOC request RETIME REQ
FK Train diverted or re-routed at FOC request DIVERT REQ
FL Train cancelled at FOC request CANCEL REQ
FM Tail lamp/head lamp out or incorrectly shown TAIL LAMP
FN Late presentation from Europe LATE CHUNL
FO Delay in running believed to be due to train operator, but no information available from that Operator FOC UNEX
FP Incorrect route taken or route wrongly challenged by driver, including SPAD's FTO MISRTE
FS Delay due to ETCS/ ERTMS on-board overriding driver command ETCS OVRD
FT Freight Operator autumn-attribution Neutral Zone delays LF NEUTRAL
FU Formal Inquiry Incident - possible Operator responsibility JOINT INQ
FW Late start/yard overtime not explained by train operator LATE START
FX Freight train running at lower than planned classification LOW CLASS
FZ Other FOC causes incl. FOC control directive, cause to be specified, including mishaps. FOC OTHER
I0 Telecom equipment failures legacy (inc. NRN/CSR/RETB link) RADIO FLR
I1 Overhead line/third rail defect OHL/3 RAIL
I2 AC/DC trip AC/DC TRIP
I3 Obstruction on OHL, cause of which is not known ON OHL
I4 OHL/third rail power supply failure/reduction SUPPLY FLR
I5 Possession over-run from planned work OVERRUN
I6 Track Patrolling TRK PATROL
I7 Engineer's train late or failed in possession ENGNRS TRN
I8 Animal Strike/Incursion within the control of Network Rail ANIMAL
I9 Fires starting on Network Rail Infrastructure NR FIRE
IA Signal failure SIGNAL FLR
IB Points failure POINTS FLR
IC Track circuit failure TC FAILURE
ID Level crossing failure incl. barrow/foot crossings and crossing treadles LEVEL XING
IE Signalling functional power supply failure SIG FUNC PWR
IF Train Describer/Panel/ARS/SSI/TDM/Remote Control failure PANEL/TDM/FLR
IG Block failure BLOCK FLR
IH Power supply and distribution system failure PWR SUP DIS
II Signalling lineside cable fault SIG CABL FLR
IJ AWS/ATP/TPWS/Train Stop/On-track equipment failure AWS/ATP
IK Telephone equipment failure PHONE/SPT
IL Token equipment failure TOKEN FLR
IM Infrastructure Balise Failure BALISE
IN HABD/Panchex/WILD/Wheelchex HABD FAULT
IP Points failure caused by snow or frost where heaters are fitted but found to be not operative or defective PNT HEATER
IQ Trackside sign blown down/light out etc TRACK SIGN
IR Broken/cracked/twisted/buckled/flawed rail RAIL FLAW
IS Track defects (other than rail defects i.e. fish plates, wet beds etc) TRACK FLT
IT Bumps reported - cause not known BUMP RPRTD
IV Earthslip/subsidence/breached sea defences not the result of severe weather EARTHSLIP
IW Non severe- Snow/Ice/Frost affecting infrastructure equipment COLD
IZ Other infrastructure causes INF OTHER
J0 Telecom radio failures IVRS/GSM-R GSM-R FLR
J2 Network Rail train dispatch equipment failure excluding telecoms equipment TRTS FLR
J3 Axle Counter Failure AXLE FLR
J4 Safety Issue No Fault Found INF NFF
J6 Lightning strike against unprotected assets LIGHTNING
J7 ETCS/ ERTMS Equipment Failure (excluding communications link and balises) ETCS FLR
J8 Damage to infrastructure caused by on-track machine whilst operating in a possession ONTRK DMG
J9 Preventative Maintenance to the infrastructure in response to a Remote Condition Monitoring Alert RCM ALERT
JA TSR speeds for Track-work outside the Rules of the Route TSR O-ROTR
JB Reactionary Delay to 'P' coded TSR PLND TSR
JD Bridges/tunnels/buildings (other than bridge strikes) STRUCTURES
JG ESR/TSR due to cancelled possession/work not completed ESR/TSR
JH Critical Rail Temperature speeds, (other than buckled rails) HEAT SPEED
JK Flooding not due to exceptional weather FLOODING
JL Network Rail/TRC Staff error STAFF
JP Failure to maintain vegetation within network boundaries in accordance with prevailing Network Rail standards, including where signals are obscured and a train strikes branches. VEG STD
JS Condition of Track TSR outside the Timetable Planning Rules COTTSR ORR
JT Points failure caused by snow or frost where heaters are not fitted NO PNT HTR
JX Miscellaneous items (including trees) causing obstructions, not the result of trespass, vandalism, weather or fallen/thrown from trains MISC OBS
M0 Confirmed Train cab based safety system fault CAB SYS
M1 Confirmed Pantograph ADD, shoe beam or assoc.system faults Incl. positive PANCHEX activations PANTO/SHOE
M2 Automatic Dropper Device activation ADD
M7 Door and Door system faults DOORS
M8 Other technical failures above the Solebar ABOVE SB
M9 Reported fleet equipment defect - no fault found NFF
MB Electric loco failure, defect, attention. ELEC LOCO
MC Diesel loco failure, defect, attention. DIESL LOCO
MD Other technical failures below the solebar BELOW SB
ME Steam locomotive failure/defect/attention STEAM LOCO
MF International/Channel Tunnel locomotive failure/defect/attention CHUNL LOCO
ML Wagons, coaches and parcel vehicle faults WAGONS
MN Brake and brake systems faults; including wheel flats where no other cause had been identified BRAKES
MP Rail and or wheel interface, adhesion problems ADHESION
MR Sanders and scrubber faults WHEELS
MS Planned underpowered or shortformed service and or vehicle, incl. exam set swaps ALLOC STCK
MT Confirmed train borne safety system faults SS TB
MU Depot operating problem DEPOT
MV EngineerÕs on-track equipment failure outside possession ON-TRACK
MW Weather - effect on T&RS equipment WEATHER
MY Coupler and Coupler system faults COUPLER
NA On-train TASS/TILT failure TASS/TILT
OB Delayed by signaller not applying applicable regulating policy REGULATION
OC Signaller, including wrong routing and wrong ETCS/ ERTMS instruction SIGNALLER
OD Delayed as a result of Route Control directive NR CONTROL
OE Failure to lay Sandite or operate Railhead Conditioning train as programmed RHC PROG
OG Ice on conductor rail/OLE ICE
OH ARS software problem (excluding scheduling error and technical failures) ARS
OI Formal Inquiry Incident - other operators JOINT INQ
OJ Fire in station building or on platform, affecting operators not booked to call at that station STN FIRE
OK Delay caused by Operating staff oversight, error or absence (excluding signallers and Control) OPTG STAFF
OL Signal Box not open during booked hours BOX CLOSED
OM Technical failure associated with a Railhead Conditioning train RHC FLR
ON Delays not properly investigated by Network Rail MIS-INVEST
OP Failure of TRUST/SMART systems TRUST FLR
OQ Incorrect Simplifier SIMP ERR
OS Late start or delays to Railhead Conditioning Train (RHC) including any reactionary delay to other trains RHC LATE
OU Delays un-investigated UN-INVEST
OV Fire or evacuation due to fire alarm of Network Rail buildings other than stations not due to vandalism NR FIRE
OW Connections held where the prime incident causing delay to the incoming train is a FOC owned incident and service is more frequent than hourly FOC CONN
OZ Other Network Rail Operating causes OPTG OTHER
PA TSR within Timetable Planning Rules PLANND TSR
PB Condition of asset TSR within Engineering Access Statement (EAS) PLANND COT
PD TPS cancellation (Not to be input in TSI/TRUST) TPS CANC
PE Cancelled due to planned engineering work ENGNRG WRK
PF Planned engineering work - diversion/SLW not timetabled (within Rules of the Route) DIVRSN/SLW
PG Planned cancellation by Train Operator including Bank Holiday schedules PLAND CANC
PJ Cancellation of a duplicate or erroneous schedule or associated duplicate delay DUPLICATE
PL Exclusion agreed between Network Rail and Train Operator AGREED EXC
PN Minor delays to VSTP service caused by regulation / time lost in running. VSTP DELAY
PT TRUST Berth Offset Errors OFFSET ERR
PZ Other contractual exclusion OTH EXC
QA WTT Schedule and or LTP process including erroneous simplifiers. WTT SCHED
QB Planned engineering work - diversion/SLW not timetabled (outside the Timetable Planning Rules.) DIVRSN/SLW
QH Adhesion problems due to leaf contamination LEAF SLIP
QI Cautioning due to railhead leaf contamination RLHD CONT
QJ Special working for leaf-fall track circuit operation LEAVES T/C
QM Train Schedule/STP process including erroneous simplifiers STP SCHED
QN VSTP schedule / VSTP process (TSI created schedule) TSI SCHED
QP Reactionary Delay to "P" coded Possession PLND LOP
QT Delay accepted by Network Rail as part of a commercial agreement where no substantive delay reason is identified TAKEBACK
R1 Incorrect train dispatch by station staff DISPATCH
R2 Late TRTS given by station staff LATE TRTS
R3 Station staff unavailable - missing or uncovered STAFF MSN
R4 Station staff split responsibility - unable to cover all duties STAFF DUTY
R5 Station staff error - e.g. wrong announcements, misdirection STAFF ERR
R6 Overtime at stations normally unstaffed. UNSTAFFED
R7 Station delays due to special events e.g. sports fixtures SPORTS
RB Passengers joining/alighting PASSENGERS
RC Assisting a disabled person joining/alighting, pre-booked DISAB 1
RD Attaching/detaching/shunter/watering ATT/DETACH
RE Lift/escalator defect/failure LIFT/ESC
RH Station evacuated due to fire alarm FIRE ALARM
RI Waiting connections - not authorised by TOC Control UNAUTH CON
RJ Special Stop Orders - not authorised by TOC Control UNAUTH SSO
RK Waiting connections - authorised by TOC Control AUTH CON
RL Special Stop Orders - authorised by TOC Control AUTH SSO
RM Waiting connections from other transport modes XTNL CONN
RN Passengers "forcing" connections between trains outside connectional allowances PASS CONN
RO Passengers taken ill on platform PASS ILL
RP Passengers dropping items on track (not vandalism) PASS DROP
RQ Assisting a disabled person joining/alighting, unbooked DISAB 2
RR Loading reserved bicycles presented late BIKE 1
RS Loading unreserved bicycles BIKE 2
RT Loading excessive luggage LUGGAGE 1
RU Locating lost luggage LUGGAGE 2
RV Customer Information System failure PASS INFO
RW Station flooding (including issues with drains) not the result of weather, where the water has not emanated from Network Rail maintained infrastructure/network STN FLOOD
RY Mishap - Station Operator cause STN MISHAP
RZ Other Station Operator causes STN OTHER
T1 Delay at unstaffed station to DOO train DOO STN
T2 Delay at unstaffed station to non-DOO train NONDOO STN
T3 Waiting connections from other transport modes XTNL CONN
T4 Loading Supplies (including catering) SUPPLIES
TA Traincrew/loco/stock/unit diagram error DIAG ERROR
TB Train cancelled/delayed at Train Operator's request TOC REQST
TC Booked Traincrew used for additional/other service CREW USED
TD Booked loco/stock/unit used for additional/other service STOCK USED
TE Injury to passenger on train PASS INJRY
TF Seat reservation problems SEAT RESVN
TG Driver DRIVER
TH (Senior) Conductor/Train Manager (SNR) COND
TI Traincrew rostering problem ROSTERING
TJ Tail lamp/headlamp out TAIL LAMP
TK Train catering staff (including Contractors) CATERING
TL Door open / not properly secured incident DOOR OPEN
TM Connection authorised by TOC but outwith connection policy AUTH CONN
TN Late presentation from the continent LATE CHUNL
TO Delay believed to be due to Operator, but no information available from Operator TOC UNEX
TP Special Stop Orders AUTH SSO
TR Train Operating Company Directive TOC DIRECT
TS Delay due to ETCS/ ERTMS on-board overriding driver command ETCS OVRD
TT Autumn-attribution Neutral Zone delays (See Supplementary Autumn Attribution Guidance) LF NEUTRAL
TU Formal Inquiry Incident - possible Operator responsibility JOINT INQ
TW Driver adhering to company professional driving standards or policy PRO DVR
TX Delays incurred on non-Network Rail running lines including London Underground causes (except T&RS) LUL CAUSES
TY Mishap-Train Operating Company cause TOC MISHAP
TZ Other Passenger Train Operating Company causes TOC OTHER
V8 Train striking other birds OTH BIRDS
VA Disorder/drunks/trespass etc DISORDER
VB Vandalism/theft VANDALS
VC Fatalities/injuries sustained whilst on a platform as the result of being struck by a train or falling from a train FATALITIES
VD Passenger taken ill on train ILL PASS
VE Ticket irregularities/refusals to pay TICKET IRR
VF Fire caused by vandalism VDL FIRE
VG Police searching train POLICE-TRN
VH Communication cord or emergency train alarm operated COM CORD
VI Security alert affecting stations and depots SEC ALERT
VR Driver adhering to company professional driving standards or policies during severe weather conditions that are not fleet related PRO DVR
VW Severe weather affecting passenger fleet equipment including following company standards/policies or Rule Book instructions WEATHER
VX Passenger charter excludable events occurring on the LUL or other non NR running lines LUL CAUSES
VZ Other passenger or external causes the responsibility of TOC EXT OTHER
X1 Visibility in semaphore signalled areas, or special working for fog and falling snow implemented by Network Rail - in all signalling areas SPL REGS
X2 Severe flooding beyond that which could be mitigated on Network Rail infrastructure SEV FLOOD
X3 Lightning Strike - damage to protected systems. LGHTNG
X4 Blanket speed restriction for extreme heat or high wind in accordance with the Group Standards BLNK REST
X8 Animal Strike/Incursion not within the control of Network Rail EXT ANIMAL
X9 Points failure caused by severe snow where heaters are working as designed SEV SNOW
XA Trespass TRESPASS
XB Vandalism/theft (including the placing of objects on the line) VANDALS
XC Fatalities/ injuries caused by being hit by train FATALITIES
XD Level Crossing Incidents XING INCDT
XF Police searching line POLICE-RLY
XH Severe heat affecting infrastructure the responsibility of Network Rail (excluding Heat speeds) SEV HEAT
XI Security alert affecting Network Rail Network SEC ALERT
XK External Power Supply Failure Network Rail Infrastructure EXTL POWER
XL Fire external to railway infrastructure EXTL FIRES
XM Gas/water mains/overhead power lines GAS/WATER
XN Road related - excl bridge strikes/level crossing incident ROAD INCDT
XO External trees, building or objects encroaching onto Network Rail infrastructure (not due to weather or vandalism) EXT OBJECT
XP Bridge Strike BDG STRIKE
XQ Swing bridge open for river or canal traffic BDGE OPEN
XR Cable vandalism or theft CABLE CUT
XT Severe cold weather affecting infrastructure the responsibility of Network Rail SEV COLD
XU Sunlight on signal SUN OBSCUR
XV Fire or evacuation due to fire alarm of Network Rail buildings other than stations due to vandalism NR FIRE
XW High winds affecting infrastructure the responsibility of Network Rail including objects on the line due to the effect of weather WIND
XZ Other external causes the responsibility of Network Rail EXT OTHER
YA Lost path - regulated for train running less late REG-ONTIME
YB Lost path - regulated for another late running train REG-LATE
YC Lost path - following train running less late FOL-ONTIME
YD Lost path - following another late running train FOL-LATE
YE Waiting to/from single line TO S/LINE
YG Regulated in accordance with Regulation Policy REG INSTRC
YI Late arrival of booked inward stock INWD STOCK
YJ Late arrival of booked Traincrew INWD CREW
YK Waiting connecting Freight or Res traffic to attach CNNCTN TFC
YL Waiting passenger connections within connections policy, contingency plan or otherwise agreed by NR/TOC AUTHSD CON
YM Special stop orders within the contingency plan or agreed by NR/TOC AUTHSD SSO
YN Service Recovery- booked train crew, not available FIND CREW
YO Waiting platform/station congestion/platform change PLATFORM
YP Delays due to diversions from booked route or line DIVERSION
YQ Passenger overcrowding caused by a train being of short formation SHRT FRMD
YR Tactical cancellation for service recovery not caused by late running SR CNCL
YT Reactionary delay to a train that is not leaving the network, by a train that is leaving the network NON NR INF
YX Passenger overcrowding caused by delay or cancellation of another train OVER CRWD
ZW Unattributed Cancellations UNATR CAN
ZX Unexplained late start UNEX L/S
ZY Unexplained Station overtime UNEX O/T
ZZ Unexplained loss in running UNEX L/R


Network Rail Open Data Feeds
Data Feeds About the Feeds Account States Durable Subscriptions Example Code ( PHP / C# / Java / Ruby / Node.js) • Advanced UsesFAQ Release Notes
RTPPM RTPPM Feed
Train Movements Train Movements Feed Train Activation Train Cancellation Train Movement Train Reinstatement Change of Origin Change of Identity Change of Location TSPEED Field Planned Cancellations Cancellation Codes
TD TD Feed C-Class Messages S-Class Messages Train Describers TD Berths
VSTP VSTP Feed
TSR TSR Feed Route Codes
SCHEDULE SCHEDULE Feed Schedule and Location Records Association Records CIF Codes How Scheduling Works Allowances
Reference Data Reference Data Feed TOC Codes CIF Codes Delay Attribution Codes Identifying Locations (STANOX, TIPLOC, NLC and 3-Alpha Codes) STANOX Geographical Areas Train Planning data