A telephone provided at a SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed., enabling the driver to communicate with
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., to report a fault or incident or to remind 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. of the
presence of a train detained at the SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. that is displaying a DangerAn indication given by a Signal to stop.
AspectAny valid visual indication of a Signal as displayed to the driver..