Assertion: overlap | /r/HasProperty | the length of track
Facets:
value: beyond a stop signal
type: OTHER
Source sentences:
text: An overlap in railway signalling is the length of track beyond a stop signal that is proved to be clear of vehicles in the controls of the previous signal, as a safety margin.
text: Overlap (railway signalling), the length of track beyond a stop signal that is proved to be clear of obstructions as a safety margin