Planned Cancellations: Difference between revisions
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PeterHicks (talk | contribs) m Correct wording of a planned cancellation |
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== Overview == | == Overview == | ||
Planned cancellations are schedule records with an STP indicator of "C" which are overlaid on WTT schedules. They contain no calling points, and they indicate a schedule | Planned cancellations are schedule records with an STP indicator of "C" which are overlaid on WTT schedules. They contain no calling points, and they indicate a schedule does not apply on a particular day. | ||
The difference between a planned cancellation and an operational cancellation is subtle, but important: | The difference between a planned cancellation and an operational cancellation is subtle, but important: | ||
Latest revision as of 16:08, 18 March 2019
Overview
Planned cancellations are schedule records with an STP indicator of "C" which are overlaid on WTT schedules. They contain no calling points, and they indicate a schedule does not apply on a particular day.
The difference between a planned cancellation and an operational cancellation is subtle, but important:
- An operational cancellation is reactive - a train was due to run to this schedule, but was cancelled for an operational reason, e.g. service disruption
- A planned cancellation is not reactive - the schedule that would apply on a particular date is overridden, for example, on a public holiday
Activations for CAN schedules
Planned cancellations will be activated by a Train Activation message as normal, but immediately cancelled with a Train Cancellation message with a 'PD' - Planned Cancellation - causation code. For the purposes of tracking real-time trains, these can be ignored.
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