The line (usually extending out perpendicular from the face of a SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More)
along which the IntensitySee Luminous Intensity. More of light is greatest at a given distance from the
SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More. For practical purposes this corresponds to the Axis of the SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More
Element.