GPS and Radio based communications systems for remotely controlling traffic signals, including components, namely, application software and associated user interfaces for configuring, provisioning and displaying operational status and reports of the GPS and Radio based communications systems, GPS/transceiver units for vehicles, GPS/transceiver control units for vehicles, integrated vehicle GPS/transceiver and control units, mast arm GPS/transceiver units for intersections, GPS/transceiver units for cabinet mounting, GPS/transceiver units for buildings, intersection phase selector cards, intersection auxiliary interface panels, intersection card racks; GPS and Infrared based communications system for remotely controlling traffic signals, including components, namely, application software and associated user interfaces for configuring, provisioning and displaying operational status and reports of the GPS and Infrared based communications systems, vehicle GPS/transceiver units, integrated units with infrared emitter, GPS antenna, radio antenna; infrared emitters, integrated units with GPS antennas and radio antennas; GPS-based, hardwired, and radio based communications systems for remotely controlling traffic signals, including components, namely application software and associated user interfaces for configuring, provisioning and displaying operational status and reports of the GPS-based, hardwired, and radio based communications systems, vehicle GPS/transceiver units and radio modems, intersection radio modems, building-located radio modems, intersection phase selector cards, intersection auxiliary interface panels, intersection card racks, land line modems for central locations, Ethernet modems for central locations, land line modems for intersections, Ethernet modems for intersections