An Indicator associated with a SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More which indicates which RouteThe path along a section of track between one Signal and the next, along which an authorised movement is to be made. More is set.
See also Position Light Junction IndicatorAn Indicator which displays the Route at a Signal by means of a line of white lights. More, Miniature Alphanumeric RouteThe path along a section of track between one Signal and the next, along which an authorised movement is to be made. More
Indicator, Standard Alphanumeric Route IndicatorAn alphanumeric Route Indicator having medium range (category two) performance. (Formally known as a Theatre or Multi-Lamp type Route Indicator.) More.