A Colour Light SignalA Signal that conveys its information by coloured lights. that uses Light Emitting DiodeA Colour Light Signal that uses Light Emitting Diode technology in place of incandescent lamps and coloured filters. LED signals can be arranged to combine the ... technology in place of
incandescent lamps and coloured filters. LEDA Colour Light Signal that uses Light Emitting Diode technology in place of incandescent lamps and coloured filters. LED signals can be arranged to combine the ... signals can be arranged to
combine the Red, Yellow and Green Aspects into one aperture to generate
the appropriate aspectAny valid visual indication of a Signal as displayed to the driver..