A SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More (not itself a Stop SignalAny Signal capable of showing a Danger Aspect. More) capable of displaying a Cautionary AspectAny Aspect that advises a driver that the train is required to stop at a Signal ahead. See Caution (Aspect), First Caution and Preliminary Caution (Aspect). More
that informs the driver of the state of the Signals or Level CrossingAn intersection at the same elevation of a road and one or more rail tracks. See Manned Level Crossing, Automatic Level Crossing and Open Crossing. More ahead.