Distinguish bowtie threats, preventive barriers, mitigating barriers, and consequences in a railway scenario.
Sort each card into the bowtie category for a wrong-route risk. Threat Preventive barrier Mitigating barrier Consequence Similar train IDs active in the same control area. Temporary timetable change uses a rarely used route. Signaller and driver confirm intended route before the junction. Controller cross-checks train ID against the amended plan. Station team has a wrong-platform passenger message ready. Recovery route and hold point are pre-agreed if the move is challenged. Train occupies the wrong platform road and blocks the following service. Passengers receive conflicting platform instructions.
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