On -vehicle special duty traffic signal light control system

On -vehicle special duty traffic signal light control system, including car -mounted device and control center, the car -mounted device includes the shell, and the shell is installed on cross -shaped supporting frame, and cross -shaped supporting frame's tip is equipped with the fixing base, and the upper portion of shell is equipped with the display screen, and the both sides erection joint board of shell is equipped with the button on the connecting plate, be equipped with GPS module, treater and on -vehicle wireless communication module in the shell, the output of button, the output connect the processor's of GPS module input, the input of display screen is connected to the output of treater, and the treater is connected with on -vehicle wireless communication module, control center comprises control center wireless communication module, controller and traffic signal lamp, and control center wireless communication module is connected with the controller, and traffic signal lamp is connected to the output o