Solar radio traffic signal lamp

The utility model discloses a solar radio traffic signal lamp, comprising a signal lamp set, a controller, a machine frame lamp post and a power source. The utility model is characterized in that the solar radio traffic signal lamp also comprises a main machine provided with the signal lamp set and branch machines controlled by the main machine, at least one branch machine is provided with the signal lamp set, the controller of the solar radio traffic signal lamp is a radio controller which contains a traffic signal controller, a main machine controller and a branch machine controller, the main machine controller contains a receiving and transmitting charge controller, a signal light operating state back wave receiver and a controller signal transmitter, the branch machine controller contains a light color signal receiver, a signal light operating state control detector and a signal light operating state transmitter, and the solar radio traffic signal lamp adopts the solar power source. The traffic signal lamp has reasonable structure, adopting the solar power source, which can be used on road ports that electric network can not reach; the traffic signal lamp adopts radio wave to transmit control signals and disconnects to any electric wires when being installed and constructed so as to avoid digging roads, having time saving and labor saving and reducing the constructing time and expenses.