A SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More controlled by the passage of trains. It does not require any action
by the SignallerA person responsible for the operation of the Signalling System, to safely control the passage and regulation of trains, usually located in a Signal Box. More or ARSA system for setting Routes without the action of the Signaller, based upon a stored timetable, train running information, defined priority, selection criteria ... More. Automatic Signals are usually PassableA Signal which is able to be passed at Danger without specific authority from the Signaller, in accordance with the rule book. Passable Signals are usually Auto... More.