Two adjacent Colour Light SignalA Signal that conveys its information by coloured lights. heads providing the driver with
information about the state of a junction BeyondIn relation to equipment on or alongside the track, positioned such that a train reaches it after passing another defined item of equipment. See also Advance. the next SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed.. The two
heads are referred to as the ‘main’ and ‘offset’ heads and can incorporate a
Stop SignalAny Signal capable of showing a Danger Aspect..