IEVref:
821-05-35
ID:
Language:
en
Status:
Standard
Term:
approach locking
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition:
locking preventing the manual cancellation of a route when a train is approaching the signal at the beginning of the route and has passed a point at a predetermined distance from this signal
Publication
date
:
2017-11-20
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
locking preventing the manual cancellation of a route when a train is approaching the signal at the beginning of the route and has passed a point at a predetermined distance from this signal