Approach LockingThe locking of any Route from a Signal, when the driver has seen or may have seen a Proceed Aspect at the Signal or has seen an Aspect at a previous Signal that... More including controls that will allow the immediate releaseThe removal of Locking on a function, for example, the removal of Route Locking or the unlocking of a function such as a Ground Frame. More of
Approach LockingThe locking of any Route from a Signal, when the driver has seen or may have seen a Proceed Aspect at the Signal or has seen an Aspect at a previous Signal that... More if no train is approaching the SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More. It uses look back
logic to ascertain the line occupancy between a given SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More at DangerAn indication given by a Signal to stop. More and
the sightingThe process of evaluating the effectiveness of an installed Signal or Element by means of on-site observation of Visibility and Readability. More point of the SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More displaying the First CautionA Signal which gives the driver the first indication of a need to stop at a Signal ahead. See also Caution (Aspect) and Preliminary Caution (Aspect). More aspectAny valid visual indication of a Signal as displayed to the driver. More for the
SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More under consideration.