absolute block working Flashcards
1
Q
what is the point?
A
track maintenance or vehicles are required to move through a section
traffic fails to be detected by the signal
control section
consecutive signal fails in a section
2
Q
the name is from controlled absolute
A
as in disc dwarf or home signals
3
Q
nominated clearence point
A
this is where it will cease
4
Q
authority in
A
signal at proceed, that signal should then be placed at stop with a blocking command
5
Q
the area of block working
A
two adjacent controlled signal locations
or a controlled absolute signal and nominated clearance point
