An Automatic Level CrossingA Level Crossing which is operated by approaching trains and not Interlocked with protecting Signals. Road Traffic Signals (or Red/Green Stop Lights are provide... equipped with Half-Barriers, Road Traffic
Signals and telephones communicating with the supervising Signal BoxThe building in which the Signaller(s) is/are situated together with the control and indication system for the signalling. See also Signalling Centre.. The
correct operation of the crossingA cast or fabricated portion of the track layout which enables the rails of the two tracks to cross each other, while still providing support and guidance for s... equipment is monitored by the SignallerA person responsible for the operation of the Signalling System, to safely control the passage and regulation of trains, usually located in a Signal Box..