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This measure reports all Category A Signals Passed At Danger (SPADs), where signals have been passed when a stop aspect, end of in-cab signalled movement authority, or indication (and any associated preceding cautionary indications) was displayed correctly and in sufficient time for the train to be stopped safely at the signal or end of in-cab movement authority.
England & Wales
Network-wide (Ranked A to D - where the train reached the fouling point)
Note: Previous years’ figures have been updated to reflect the outcome of investigations and re-categorisation of incidents.
Category A SPADs are a risk that involves train and freight operators as well as Network Rail. In 2015/16 the Rail Safety Standards Board (RSSB) formed an industry group focusing on SPAD risk, examining underlying causes and further risk reduction options. Within Network Rail’s train accident risk reduction programme there are a number of workstreams aimed at reducing SPAD risk such as resignalling to modern standards, railhead treatment, lineside vegetation removal and improving safety critical communications.
There were 26 instances where the train reached the fouling point (the point on a pair of converging tracks where two trains would collide if allowed to approach together). This was a reduction from the 31 instances that occurred in 2014/15. Six of these instances resulted in derailment in comparison with four in the previous year.