A Route IndicatorAn Indicator associated with a Signal which indicates which Route is set. See also Position Light Junction Indicator, Miniature Alphanumeric Route Indicator, St... More that conveys its information by illuminatedThe internal or external illumination of signalling equipment. More alphanumeric
characters. The indicators are designated ‘standard’ and ‘miniature’ as a
reference to the readability categorisation of the indications.