Movements must identify trailer, yard position and the person responsible for its next move without relying on a single driver.
Index
A driver may leave before a trailer is collected; tracking only the tractor unit leaves trailer location incomplete.
The rule that changes the scope
Movements must identify trailer, yard position and the person responsible for its next move without relying on a single driver.
A gate system may cover arrivals; custom software adds uncoupling, position tracking and collection by another team.
A position needs a name understood by people moving equipment around the yard. Coordinates without an operational reference can make searches worse. For an internal move, identify the person or team confirming the new location and when it was recorded. Distinguish expected collection from effective authorization: equipment can be correctly located but still lack permission to leave through the gate with the arriving driver.
Specify operational deliverables
- Record trailer identity and physical position after each authorized movement.
- Separate the driver's departure from equipment remaining in the yard.
- Link collection to the correct authorization while preserving earlier position changes.
Test the exception before acceptance
In a hypothetical scenario, another driver arrives to collect the trailer; staff must locate it and validate its connection to the expected collection.
Reference for assessing scope
NN/g: writing task scenarios for usability testing
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Bring the yard map and a delivery collected later by a different driver.