Location of Railway Signals
Home Signal : On single line, shall be placed at not less than 300 Mts. in rear of the first facing point. On double line may be located at a distance of not less than 180 Mts. in rear of the facing points or BSLB.
Distant Signal : On single line or double line shall be placed at an adequate distance of normal braking distance which shall not be less than 1 KM from the stop signal. If the second distant is used, the inner distant is to be 1 KM in rear of home signal (first stop signal) and outer distant is to be 1 KM in rear of inner distant.
Routing Signal : Shall be placed just in rear of the facing points to it protects.
Starter Signal : Placed in rear of the facing point or fouling mark of the converging lines such that they should protect the adjacent running line.
Advanced Starter : Shall be placed outside all the connections on the line to which it applies, and shall not be less than 120 Mts. from the outer most point on single line. On double line this distance is from the starter signal and in special case upto a distance of full train length beyond outer most point where frequent shunting is involved the main line.