Delay Attribution Guide: Difference between revisions

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Added April 2013 cancellation codes for reference
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The current [http://www.delayattributionboard.co.uk/documents/dag_pdac/April%202013%20DAG.pdf Delay Attribution Guide] lists, amongst other things, the reason codes used in TRUST messages.
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.
 
= Delay Attribution Codes =
 
{|class="wikitable"
!Code
!Cause
!Abbreviation
|----
|AA
|Waiting Terminal/Yard acceptance
|ACCEPTANCE
|----
|AB
|Waiting Customer release of documentation
|DOCUMENTS
|----
|AC
|Waiting train preparation or completion of TOPS list/RT3973
|TRAIN PREP
|----
|AD
|Terminal/Yard staff shortage including reactionary congestion caused by the shortage
|WTG STAFF
|----
|AE
|Congestion in Terminal/Yard
|CONGESTION
|----
|AF
|Terminal/Yard equipment failure - cranes etc
|EQUIPMENT
|----
|AG
|Adjusting Loaded wagons
|LOAD INCDT
|----
|AH
|Customer equipment breakdown/reduced capacity
|BREAKDOWN
|----
|AJ
|Waiting CustomerÕs traffic including ship/road/air connections and Mail deliveries.
|TRAFFIC
|----
|AK
|Fire in freight yard / terminal (including private sidings, and stations Ð where it affects FOC services)
|INF FIRE
|----
|AX
|Failure of FOC-owned infrastructure
|FOC INFRA
|----
|AY
|Mishap in Terminal/Yard or on Terminal/Yard infrastructure
|FTO MISHAP
|----
|AZ
|Other Freight Operating Company, cause to be specified
|FTO OTHER
|----
|FA
|Dangerous goods incident
|DGI INCDT
|----
|FB
|Train stopped on route due to incorrect marshalling
|REMARSHALL
|----
|FC
|Freight train driver
|FCDRIVER
|----
|FD
|Booked loco used on additional/other service
|LOCO USED
|----
|FE
|Traincrew rostering error/not available, including crew relief errors
|NO T/CREW
|----
|FG
|Driver adhering to company professional driving standards or policy
|PRO DVR
|----
|FH
|Train crew/loco diagram/planning error (See also DAG Section 4.31.2)
|DIAG ERROR
|----
|FI
|Delay in running due to the incorrect operation of the on- board ETCS/ ERTMS equipment Ð i.e. wrong input by driver.
|ETCS INPUT
|----
|FJ
|Train held at Customer's request
|RETIME REQ
|----
|FK
|Train diverted/re-routed at Customer's request
|DIVERT REQ
|----
|FL
|Train cancelled at Customer's 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 Operator, but no information available from that Operator
|FOC UNEX
|----
|FP
|Incorrect route taken or route wrongly challenged by driver, including SPADÕs
|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 Operator
|LATE START
|----
|FX
|Freight train running at lower than planned classification
|LOW CLASS
|----
|FY
|Mishap caused by Freight Operating Company or on FOC-owned infrastructure
|FOC MISHAP
|----
|FZ
|Other Freight Operating Company causes, including Freight Operating Company Control directive, cause to be specified
|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/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
|Power failure
|POWER FLR
|----
|IF
|Train Describer/Panel/ARS/SSI/TDM/Remote Control failure
|PANEL/TDM/FLR
|----
|IG
|Block failure
|BLOCK FLR
|----
|II
|Power Supply cable fault/fire due to cable fault
|CABLE 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
|----
|IO
|No fault found/HABD/Panchex/WILD/Wheelchex
|NFF
|----
|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
|----
|IU
|Engineers on-track plant affecting possession
|ONTRACK EQ
|----
|IV
|Earthslip/subsidence/breached sea defences not the result of severe weather
|EARTHSLIP
|----
|IW
|Non severe- Snow/Ice/Frost affecting infrastructure equipment
|COLD
|----
|IY
|Mishap - Network Rail causes
|INF MISHAP
|----
|IZ
|Other infrastructure causes
|INF OTHER
|----
|J0
|Telecom radio failures IVRS/GSM-R
|GSM-R FLR
|----
|J2
|TRTS Failure
|TRTS FLR
|----
|J3
|Axle Counter Failure
|AXLE FLR
|----
|J4
|Safety Issue No Fault Found
|INF NFF
|----
|J5
|NR DOO monitor/mirror failure
|DOO MON FLR
|----
|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
|----
|JA
|TSR speeds for Track-work outside the Rules of the Route
|TSR O-ROTR
|----
|JB
|Reactionary Delay to ÔPÕ coded TSR
|PLND TSR
|----
|JC
|Telecom cable failure (transmission sys & cable failures )
|COMM LINKS
|----
|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
|----
|JI
|Swing/lifting bridge failure
|SWING BDGE
|----
|JK
|Flooding not due to exceptional weather
|FLOODING
|----
|JL
|Network Rail/TRC Staff error
|STAFF
|----
|JM
|Change of Signal Aspects - no fault found
|ASPECT CHG
|----
|JN
|Possession cancellation
|POSSN CANC
|----
|JO
|Rolling Contact Fatigue
|RCF
|----
|JP
|Failure to maintain vegetation within network boundaries in accordance with prevailing Network Rail standards
|VEG STD
|----
|JQ
|Trains striking overhanging branches/vegetation (not weather- related)
|TREE OHANG
|----
|JR
|Signals/track signs obscured by vegetation
|HIDDEN SIG
|----
|JS
|Condition of Track TSR Outside Rules of Route
|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
|Safety systems failure (DSD/OTMR/Vigilance)
|DSD
|----
|M1
|Pantograph fault or PANCHEX activation (positive)
|PANTOGRAPH
|----
|M2
|Automatic Dropper Device activation
|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
|DMU (inc. HST/MPV) failure/defect/attention: doors (including SDO equipment failure and excluding Railhead Conditioning trains).
|DMU DOOR
|----
|M8
|DMU (inc. HST/MPV) failure/defect/attention: other (excluding Railhead Conditioning trains)
|DMU OTHER
|----
|M9
|Reported fleet equipment defect - no fault found
|NFF
|----
|MA
|Electric loco (inc. IC225) failure/defect/attention: brakes
|ELEC BRAKE
|----
|MB
|Electric loco (inc. IC225) failure/defect/attention: traction
|ELEC TRAC
|----
|MC
|Diesel loco failure/defect/attention: traction
|DIESL TRAC
|----
|MD
|DMU (inc. HST)/MPV failure/defect/attention: traction (excluding Railhead Conditioning trains)
|DMU TRAC
|----
|ME
|Steam locomotive failure/defect/attention
|STEAM LOCO
|----
|MF
|International/Channel Tunnel locomotive failure/defect/attention
|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
|Freight vehicle failure/defect attention (inc. private wagons)
|FRGHT VEH
|----
|MM
|EMU failure/defect/attention: traction
|EMU TRAC
|----
|MN
|DMU (inc. HST/MPV) failure/defect/attention: brakes (excluding Railhead Conditioning trains)
|DMU BRAKE
|----
|MO
|Loco/unit/vehicles late off depot (cause not known)
|STOCK LATE
|----
|MP
|Loco/unit adhesion problems
|ADHESION
|----
|MQ
|Electric loco (inc. IC225) failure/defect/attention: other
|ELEC OTHER
|----
|MR
|Hot Box or HABD/WILD activation (positive)
|HOT BOX
|----
|MS
|Stock change or replacement by slower vehicles (all vehicle types)
|STOCK CHNG
|----
|MT
|Safety systems failure (AWS/TPWS/ATP)
|AWS TPWS
|----
|MU
|Depot operating problem
|DEPOT
|----
|MV
|EngineerÕs on-track equipment failure outside possession
|ON-TRACK
|----
|MW
|Weather Ð effect on T&RS equipment
|WEATHER
|----
|MX
|Diesel loco failure/defect/attention: brakes
|DIESL BRKE
|----
|MY
|Mishap Ð T&RS cause
|TRS MISHAP
|----
|MZ
|Other Fleet Engineer causes/initial attribution
|T+RS OTHER
|----
|NA
|Ontrain TASS Failure
|TASS
|----
|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
|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
|----
|OO
|Late start of a RHC
|RHC
|----
|OP
|Failure of TRUST/SMART systems
|TRUST FLR
|----
|OQ
|Incorrect Simplifier
|SIMP ERR
|----
|OS
|Delays to other trains caused by a Railhead Conditioning train taking unusually long time in section or at a location
|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
|----
|OY
|Mishap - Network Rail Operating cause
|NR MISHAP
|----
|OZ
|Other Network Rail Operating causes
|OPTG OTHER
|----
|PA
|Trackwork TSR within Rules of the Route
|PLANND TSR
|----
|PB
|Condition of Track TSR within Rules of the Route
|PLANND COT
|----
|PC
|Condition of Bridge TSR within rules of the route
|PLANND COB
|----
|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
|PLAND CANC
|----
|PH
|Condition of Earthworks TSR within Rules of the Route
|PLND COE
|----
|PI
|TSR for Schedule 4 Possession
|SCH 4 TSR
|----
|PJ
|Duplicate delay
|DUPLICATE
|----
|PK
|Bank Holiday Cancellation
|BANK HOL
|----
|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
|----
|PS
|Cancellation of a duplicate or erroneous schedule
|DUPE SCHLD
|----
|PT
|TRUST Berth Offset Errors
|OFFSET ERR
|----
|PZ
|Other contractual exclusion
|OTH EXC
|----
|QA
|WTT Schedule / LTP process
|WTT SCHED
|----
|QB
|Planned engineering work - diversion/SLW not timetabled (outside rules of the route)
|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
|STP schedule / STP process
|STP SCHED
|----
|QN
|VSTP schedule / VSTP process (TSI created schedule)
|TSI SCHED
|----
|QP
|Reactionary Delay to ÒPÓ coded Possession
|PLND LOP
|----
|QQ
|Simplifier Error Ops Planning
|OPS S ERR
|----
|QT
|Delay accepted by Network Rail as part of a commercial agreement where no substantive delay reason is identified
|TAKEBACK
|----
|QZ
|Other Network Rail non-Operating causes
|COMM OTHER
|----
|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
|----
|RF
|Loading/unloading letter mails/parcels
|MAIL/PRCLS
|----
|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 ÒforcingÓ 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 (See also DAG Section 4.31.2)
|DIAG ERROR
|----
|TB
|Train cancelled/delayed at Train OperatorÕs 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/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/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 Ð in all signalling areas
|SPL REGS
|----
|X2
|Severe flooding beyond that which could be mitigated on Network Rail infrastructure
|SEV FLOOD
|----
|X3
|Lightning Strike Ð 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/theft
|CABLE CUT
|----
|XS
|Level Crossing misuse
|XNG MISUSE
|----
|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 on time
|REG-ONTIME
|----
|YB
|Lost path - regulated for another late running train
|REG-LATE
|----
|YC
|Lost path - following train running on time
|FOL-ONTIME
|----
|YD
|Lost path - following another late running train
|FOL-LATE
|----
|YE
|Lost path - waiting acceptance to single line
|TO S/LINE
|----
|YF
|Waiting for late running train off single line
|OFF SLINE
|----
|YG
|Regulated in accordance with Regulation Policy
|CORRCT REG
|----
|YH
|Late arrival of inward loco
|INWD LOCO
|----
|YI
|Late arrival of inward stock/unit
|INWD STOCK
|----
|YJ
|Late arrival of Traincrew on inward working
|INWD CREW
|----
|YK
|Waiting connecting Freight or Res traffic to attach
|CNNCTN TFC
|----
|YL
|Waiting passenger connections within Connection Policy
|AUTHSD CON
|----
|YM
|Special stop orders agreed by Control
|AUTHSD SSO
|----
|YN
|Booked traincrew not available for late running train
|FIND CREW
|----
|YO
|Waiting platform/station congestion/platform change
|PLATFORM
|----
|YP
|Delayed by diverted train
|DIVERSION
|----
|YQ
|Passenger overcrowding caused by a train being of short- formation
|SHRT FRMD
|----
|YU
|Prime cause of most unit swaps
|UNIT SWAPS
|----
|YX
|Passenger overcrowding caused by delay/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
|----
|}

Revision as of 17:46, 23 May 2013

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 2013) codes are listed here for reference.

Delay Attribution Codes

Code Cause Abbreviation
AA Waiting Terminal/Yard acceptance ACCEPTANCE
AB Waiting Customer release of documentation DOCUMENTS
AC Waiting train preparation or completion of TOPS list/RT3973 TRAIN PREP
AD Terminal/Yard staff shortage including reactionary congestion caused by the shortage WTG STAFF
AE Congestion in Terminal/Yard CONGESTION
AF Terminal/Yard equipment failure - cranes etc EQUIPMENT
AG Adjusting Loaded wagons LOAD INCDT
AH Customer equipment breakdown/reduced capacity BREAKDOWN
AJ Waiting CustomerÕs traffic including ship/road/air connections and Mail deliveries. TRAFFIC
AK Fire in freight yard / terminal (including private sidings, and stations Ð where it affects FOC services) INF FIRE
AX Failure of FOC-owned infrastructure FOC INFRA
AY Mishap in Terminal/Yard or on Terminal/Yard infrastructure FTO MISHAP
AZ Other Freight Operating Company, cause to be specified FTO OTHER
FA Dangerous goods incident DGI INCDT
FB Train stopped on route due to incorrect marshalling REMARSHALL
FC Freight train driver FCDRIVER
FD Booked loco used on additional/other service LOCO USED
FE Traincrew rostering error/not available, including crew relief errors NO T/CREW
FG Driver adhering to company professional driving standards or policy PRO DVR
FH Train crew/loco diagram/planning error (See also DAG Section 4.31.2) DIAG ERROR
FI Delay in running due to the incorrect operation of the on- board ETCS/ ERTMS equipment Ð i.e. wrong input by driver. ETCS INPUT
FJ Train held at Customer's request RETIME REQ
FK Train diverted/re-routed at Customer's request DIVERT REQ
FL Train cancelled at Customer's 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 Operator, but no information available from that Operator FOC UNEX
FP Incorrect route taken or route wrongly challenged by driver, including SPADÕs 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 Operator LATE START
FX Freight train running at lower than planned classification LOW CLASS
FY Mishap caused by Freight Operating Company or on FOC-owned infrastructure FOC MISHAP
FZ Other Freight Operating Company causes, including Freight Operating Company Control directive, cause to be specified 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/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 Power failure POWER FLR
IF Train Describer/Panel/ARS/SSI/TDM/Remote Control failure PANEL/TDM/FLR
IG Block failure BLOCK FLR
II Power Supply cable fault/fire due to cable fault CABLE 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
IO No fault found/HABD/Panchex/WILD/Wheelchex NFF
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
IU Engineers on-track plant affecting possession ONTRACK EQ
IV Earthslip/subsidence/breached sea defences not the result of severe weather EARTHSLIP
IW Non severe- Snow/Ice/Frost affecting infrastructure equipment COLD
IY Mishap - Network Rail causes INF MISHAP
IZ Other infrastructure causes INF OTHER
J0 Telecom radio failures IVRS/GSM-R GSM-R FLR
J2 TRTS Failure TRTS FLR
J3 Axle Counter Failure AXLE FLR
J4 Safety Issue No Fault Found INF NFF
J5 NR DOO monitor/mirror failure DOO MON FLR
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
JA TSR speeds for Track-work outside the Rules of the Route TSR O-ROTR
JB Reactionary Delay to ÔPÕ coded TSR PLND TSR
JC Telecom cable failure (transmission sys & cable failures ) COMM LINKS
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
JI Swing/lifting bridge failure SWING BDGE
JK Flooding not due to exceptional weather FLOODING
JL Network Rail/TRC Staff error STAFF
JM Change of Signal Aspects - no fault found ASPECT CHG
JN Possession cancellation POSSN CANC
JO Rolling Contact Fatigue RCF
JP Failure to maintain vegetation within network boundaries in accordance with prevailing Network Rail standards VEG STD
JQ Trains striking overhanging branches/vegetation (not weather- related) TREE OHANG
JR Signals/track signs obscured by vegetation HIDDEN SIG
JS Condition of Track TSR Outside Rules of Route 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 Safety systems failure (DSD/OTMR/Vigilance) DSD
M1 Pantograph fault or PANCHEX activation (positive) PANTOGRAPH
M2 Automatic Dropper Device activation 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 DMU (inc. HST/MPV) failure/defect/attention: doors (including SDO equipment failure and excluding Railhead Conditioning trains). DMU DOOR
M8 DMU (inc. HST/MPV) failure/defect/attention: other (excluding Railhead Conditioning trains) DMU OTHER
M9 Reported fleet equipment defect - no fault found NFF
MA Electric loco (inc. IC225) failure/defect/attention: brakes ELEC BRAKE
MB Electric loco (inc. IC225) failure/defect/attention: traction ELEC TRAC
MC Diesel loco failure/defect/attention: traction DIESL TRAC
MD DMU (inc. HST)/MPV failure/defect/attention: traction (excluding Railhead Conditioning trains) DMU TRAC
ME Steam locomotive failure/defect/attention STEAM LOCO
MF International/Channel Tunnel locomotive failure/defect/attention 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 Freight vehicle failure/defect attention (inc. private wagons) FRGHT VEH
MM EMU failure/defect/attention: traction EMU TRAC
MN DMU (inc. HST/MPV) failure/defect/attention: brakes (excluding Railhead Conditioning trains) DMU BRAKE
MO Loco/unit/vehicles late off depot (cause not known) STOCK LATE
MP Loco/unit adhesion problems ADHESION
MQ Electric loco (inc. IC225) failure/defect/attention: other ELEC OTHER
MR Hot Box or HABD/WILD activation (positive) HOT BOX
MS Stock change or replacement by slower vehicles (all vehicle types) STOCK CHNG
MT Safety systems failure (AWS/TPWS/ATP) AWS TPWS
MU Depot operating problem DEPOT
MV EngineerÕs on-track equipment failure outside possession ON-TRACK
MW Weather Ð effect on T&RS equipment WEATHER
MX Diesel loco failure/defect/attention: brakes DIESL BRKE
MY Mishap Ð T&RS cause TRS MISHAP
MZ Other Fleet Engineer causes/initial attribution T+RS OTHER
NA Ontrain TASS Failure TASS
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 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
OO Late start of a RHC RHC
OP Failure of TRUST/SMART systems TRUST FLR
OQ Incorrect Simplifier SIMP ERR
OS Delays to other trains caused by a Railhead Conditioning train taking unusually long time in section or at a location 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
OY Mishap - Network Rail Operating cause NR MISHAP
OZ Other Network Rail Operating causes OPTG OTHER
PA Trackwork TSR within Rules of the Route PLANND TSR
PB Condition of Track TSR within Rules of the Route PLANND COT
PC Condition of Bridge TSR within rules of the route PLANND COB
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 PLAND CANC
PH Condition of Earthworks TSR within Rules of the Route PLND COE
PI TSR for Schedule 4 Possession SCH 4 TSR
PJ Duplicate delay DUPLICATE
PK Bank Holiday Cancellation BANK HOL
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
PS Cancellation of a duplicate or erroneous schedule DUPE SCHLD
PT TRUST Berth Offset Errors OFFSET ERR
PZ Other contractual exclusion OTH EXC
QA WTT Schedule / LTP process WTT SCHED
QB Planned engineering work - diversion/SLW not timetabled (outside rules of the route) 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 STP schedule / STP process STP SCHED
QN VSTP schedule / VSTP process (TSI created schedule) TSI SCHED
QP Reactionary Delay to ÒPÓ coded Possession PLND LOP
QQ Simplifier Error Ops Planning OPS S ERR
QT Delay accepted by Network Rail as part of a commercial agreement where no substantive delay reason is identified TAKEBACK
QZ Other Network Rail non-Operating causes COMM OTHER
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
RF Loading/unloading letter mails/parcels MAIL/PRCLS
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 ÒforcingÓ 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 (See also DAG Section 4.31.2) DIAG ERROR
TB Train cancelled/delayed at Train OperatorÕs 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/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/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 Ð in all signalling areas SPL REGS
X2 Severe flooding beyond that which could be mitigated on Network Rail infrastructure SEV FLOOD
X3 Lightning Strike Ð 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/theft CABLE CUT
XS Level Crossing misuse XNG MISUSE
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 on time REG-ONTIME
YB Lost path - regulated for another late running train REG-LATE
YC Lost path - following train running on time FOL-ONTIME
YD Lost path - following another late running train FOL-LATE
YE Lost path - waiting acceptance to single line TO S/LINE
YF Waiting for late running train off single line OFF SLINE
YG Regulated in accordance with Regulation Policy CORRCT REG
YH Late arrival of inward loco INWD LOCO
YI Late arrival of inward stock/unit INWD STOCK
YJ Late arrival of Traincrew on inward working INWD CREW
YK Waiting connecting Freight or Res traffic to attach CNNCTN TFC
YL Waiting passenger connections within Connection Policy AUTHSD CON
YM Special stop orders agreed by Control AUTHSD SSO
YN Booked traincrew not available for late running train FIND CREW
YO Waiting platform/station congestion/platform change PLATFORM
YP Delayed by diverted train DIVERSION
YQ Passenger overcrowding caused by a train being of short- formation SHRT FRMD
YU Prime cause of most unit swaps UNIT SWAPS
YX Passenger overcrowding caused by delay/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
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