Signaling layout

Railway Signal Clearance RRI

Railway Signal Clearance RRI|Signaling layout|Point free to operate|Route initiation circuit -1|Point initiation circuit|SIGNAL CONTROL CIRCUIT|Special controls|GSR circuit|Signal control circuit| Approach locking circuit-1|Route normalisation circuit – NR|Swinging Overlap|Auto controls|Two red rule Railway Signal Clearance RRI Signaling layout Point free to operate     Route setting 1. First button pressed is recognized as entrance button and the […]

Continue Reading