Change of Identity

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Revision as of 14:50, 12 December 2018 by PeterHicks (talk | contribs) (Tidy up overview)
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One or more Change of Identity messages may be sent for a non-passenger (freight or engineering) train, after activation, where the class of the train is to change. This will happen if the train will run without wagons (i.e. a Class 6 service runs as a Class 0), or if the train is carrying a wagon with a defect and must run at a slower speed.

Data structure

    "header": {
        "msg_type": "0007",
        "source_dev_id": "V2WX",
        "user_id": "#WAELKNK",
        "original_data_source": "SDR",
        "msg_queue_timestamp": "1511531881000",
        "source_system_id": "TRUST"
    "body": {
        "current_train_id": "",
        "train_file_address": "BAX",
        "train_service_code": "56609010",
        "revised_train_id": "86417G1J24",
        "train_id": "86678V1J24",
        "event_timestamp": "1511531880000"


Field Description
msg_type Set to '0007' for an change of identity message
source_dev_id LATA or CICS Session of the inputting terminal
user_id NCI signon of the inputting user
source_system_id Set to "TRUST" for a change of identity message
original_data_source Set to "SDR" or "TOPS" for an change of identity message


Field Description
train_id The 10-character unique identity for this train at TRUST activation time
current_train_id If this is the second or subsequent change of identity for a train, this field will contain the revised_train_id field from the previous change of identity message
revised_train_id The new 10-character unique identity for this train
train_file_address The TOPS train file address, if applicable
train_service_code Train service code as per schedule
event_timestamp The time, in milliseconds, when the train's identity was changed

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
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
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