Quote:
Originally Posted by Taf
In the UK, a signal passed at red (SPAR) is used where a signal changes to red directly in front of a train, due to a fault or emergency, meaning it is impossible to stop before the signal.
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It is unclear that has happened in this case. An AWS fault suggests that the audible warnings were missing or making the wrong sound on approaching the signal. It doesn’t indicate an issue with the signal itself.