Definitions of 'Signals' Flashcards
Cab Signal Indicator
A signal indicator located in the engine control compartment displaying the maximum speed for the movement of the train. It will be used in conjunction with interlocking signals and either in conjunction with or in lieu of block signals.
Aspect
The appearance of a fixed signal which conveys an indication as viewed from the direction of an approaching train; the appearance of a cab signal indicator as viewed in the engine control compartment.
Home Signal
A fixed signal that displays Stop as its most restrictive aspect and governs the entrance to a route or block.
Fixed Signal
A signal of a fixed location indicating a condition which affects the movement of a train.
Interlocking Signals
The fixed signals of an interlocking.
Block-Limit Signal
A fixed signal indicating the limit of the block, the use of which is governed by manual block signal systems rules.
Distant Signal
A fixed signal used to govern the approach to a home signal.
Indication
The information conveyed by the aspect of a signal.
Block Signal
A fixed signal or a hand signal in the absence of a fixed signal, at the entrance to a block that governs trains using that block.