Abstract: A multiple priority remote control system for the remote control of a traffic signal control system for a traffic intersection responsive to optical signals transmitted by optical energy transmitters carried on designated vehicles operating along the roadways of the intersection. The remote control system includes signal discriminator circuitry for producing high or low control signals dependent upon the particular optical signal that is detected and in accordance with the roadway of the intersection from which the detected optical signal is received. A control circuit connected to the controller for the traffic signal control system and to the discriminator circuitry responds to the control signals to provide a green light to the vehicle transmitting the first of two detected low priority signals or the first of two detected high priority signals or the high priority signal of detected high and low priority signals.

Abstract: A multiple priority remote control system for the remote control of a traffic signal control system for a traffic intersection responsive to optical signals transmitted by optical energy transmitters carried on designated vehicles operating along the roadways of the intersection. The remote control system includes signal discriminator circuitry for producing high or low control signals dependent upon the particular optical signal that is detected and in accordance with the roadway of the intersection from which the detected optical signal is received. A control circuit connected to the controller for the traffic signal control system and to the discriminator circuitry responses to the control signals to provide a green light to the vehicle transmitting the first of two detected low priority signals or the first of two detected high priority signals or the high priority signal of detected high and low priority signals.