A Preliminary Caution displayed by a Colour Light SignalA Signal that conveys its information by coloured lights. More informing the
driver to expect the next Main SignalA Colour Light Signal capable of displaying a Main Aspect or a Semaphore Distant or Stop Signal. More at Single Yellow with Junction IndicatorAn Indicator provided at a Junction Signal to inform the driver which way a junction is set, by means of a line of white lights. See Route Indicator and Positio... More
set for a diverging RouteIn the signalling of junctions, any Route that diverges from the fastest/equal or straight route. More.