(ATC=ATO+ATP)Ī high reliability system that automatically operates the train’s driving controls in accordance with information usually received from the trackside signalling equipment or traffic control system.Ī safety system that enforces either compliance with or observation of speed restrictions and/or Signal Aspects by trains.Ī subsystem to ensure that the train service returns to timetabled operation or to regular, fixed headways, following disruption.
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Used to describe on-board automation that contributes to or replaces the driver’s judgement as to how to control the train. Automatic Signals are usually Passable.Ī system that gives trackside staff audible and/or visible warning of the approach of trains independently of the Signalling System. It does not require any action by the Signaller or ARS.
Proof of a section clear normally involves the observation of the train tail lamp by the Signaller.Ī device that can measure acceleration generated by the movement of an object along an axis.Ī device that allows wireless devices to connect to a wired network using Wi-Fi.Ī system for setting Routes without the action of the Signaller, based upon a stored timetable, train running information, defined priority, selection criteria and operating algorithms.Ī Signal controlled by the passage of trains. A system of controlling rail traffic, where (under normal operations) only one train is allowed in the Block Section at a time.
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