IEVref:
821-02-87
ID:
Language:
en
Status:
Obsolete
Term:
special purpose (subsidiary) signal
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition:
a signal in addition to a main signal, with or without interlocking, which gives permission for a train, to pass a defective main signal under special conditions without a written order
Publication
date
:
1998-04
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
a signal in addition to a main signal, with or without interlocking, which gives permission for a train, to pass a defective main signal under special conditions without a written order