Change of Origin

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Contents

Overview

When a train is due to start from a location other than the first location in the schedule, a change of origin message will be sent.

Trains may start from alternate locations for two reasons:

  • When the previous working is terminated short of its destination and the return working will start from that location
  • When the train starts from, for example, Doncaster North Yard rather than the schedule location of Doncaster South Yard

Data structure

Header

Field Description
msg_type Set to '0006' for an change of origin message
source_dev_id Set to the ID of the device that issued the change of origin message
source_system_id Set to "TRUST" for a change of origin message
original_data_source Set to "TRUST DA" or "SDR" for a change of origin message

Body

Field Description
train_id The 10-character unique identity for this train at TRUST activation time
dep_timestamp The planned departure time at the location where the train is being reinstated
loc_stanox The STANOX of the new origin of the train
original_loc_stanox If the location has been revised, e.g. the new origin is 'out of plan' for the train, the STANOX of location in the schedule at activation
original_loc_timestamp The planned departure time associated with the original location
current_train_id Always blank
train_service_code Train service code as per schedule
reason_code The reason code for the cancellation, taken from the Delay Attribution Guide
division_code Operating company ID as per TOC Codes
toc_id Operating company ID as per TOC Codes
train_file_address The TOPS train file address, if applicable
coo_timestamp The time at which the Change of Origin is entered into TRUST


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RTPPM RTPPM Feed
Train Movements Train Movements Feed Train Activation Train Cancellation Train Movement Train Reinstatement Change of Origin Change of Identity TSPEED Field Planned Cancellations Cancellation Codes
TD TD Feed C-Class Messages S-Class Messages Train Describers TD Berths
VSTP VSTP Feed
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SCHEDULE SCHEDULE Feed Schedule and Location Records Association Records CIF Codes How Scheduling Works Allowances
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