22-02-2012, 11:15 AM
(This post was last modified: 22-02-2012, 01:21 PM by vanam_madana.)
(02-02-2012, 10:50 PM)PJW Wrote: Based on what I gleaned from Dr Verma's lecture and audience contributions in Delhi recently, I have typed up some notes.
I am not sure that I actually got it all 100 percent right, but thought I'd post it here and hope that people who know better can correct as necessary.
Please note that Indian Railway Signalling practice regarding overlaps:
Two Aspect Signalling ( Semaphore or Colour Light signalling) territory:-
Block overlap is 400m.
Signal overlap is 180m.
Multiple Aspect Signalling ( Semaphore or Colour Light signalling) territory:-
Block overlap is 180m.
Signal overlap is 120m.
This is for your information.[/u]

