Railway Dead approach locking,Back locking or route locking

Railway Dead approach locking|Back locking or route locking

Dead approach locking: It is seen that for providing approach locking, a track circuit for a length of 1,2kms. Need to be provided. Provision of such a long track circuit for the purpose of approach locking is a costly proposition. Therefore, the approach locking is provided without the approach locking becomes effective the moment the […]

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