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Railway Signalling Selection Table / Control Table In the relay interlocking systems, the safety of train movements in the yard has to be ensured in the various electrical signaling circuits that are prepared for the system. The circuits, therefore, have to be prepared carefully and meticulously and checked thoroughly from the point of view of […]
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Railway Signalling Concept of Overlap and Isolation | Overlaps | Block Over Lap (BOL) | Signal Over Lap (SOL) Concept of Overlap and Isolation:- Every stop signal by its indication to the driver controls the movement of train upto the next stop signal as the next stop signal will control the movement beyond it. Hence […]
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Railways Gate Signal | Routing Indicator | Junction type route indicator | Multi lamp route indicator Gate Signal :- The Gate stop signal shall be provided with „G‟ marker. Letter „G‟ in black on a yellow circular disc. A semi-automatic stop signal interlocked with a level-crossing gate shall be provided with „G‟ marker disc and […]
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