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 and Road Traffic
Signals at which 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 train driver.