Fishbone — Short-Notice Train Cancellations
Root-cause analysis of short-notice cancellations on a commuter route, grouped by traincrew, fleet, infrastructure, planning, information and external causes.
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title "Why are trains cancelled at short notice?"
problem "Short-notice cancellations"
category "Traincrew"
cause "Rest day working not covered"
cause "Route knowledge lapsed after diversion"
cause "Crew displaced by an earlier delay"
category "Fleet"
cause "Overnight exam overruns at the depot"
cause "Door fault repeat offenders not stripped out"
cause "Wheel flats after low adhesion"
category "Infrastructure"
cause "Points failure in the throat"
cause "Emergency speed restriction after a track defect"
category "Planning"
cause "Diagram with no recovery time"
cause "Unit swap needs a move nobody pathed"
category "Information"
cause "Cancellation entered after the departure time"
cause "Control and the app disagree on the reason code"
category "External"
cause "Trespass on the line"
cause "Level crossing misuse in the peak"