Control method for countdown display of traffic signal lamp

The invention discloses a traffic signal lamp countdown display control method, which is realized according to information of road traffic flow, and comprises the following steps of: installing an acquisition device at a traffic intersection, vehicle images are obtained in time and processed, the receiver receives the obtained vehicle number information, the vehicle number information is provided for the central command system, and after the requirements are met through analysis, the command system sends an instruction to the traffic signal lamp controller so as to change the jump of the traffic signal lamp. According to the traffic signal lamp countdown display control method, the signal jump time can be controlled in real time according to the specific condition of the road vehicle, the method is greatly improved compared with an original method of fixed timing and traffic signal lamp arrangement according to rules, the waiting time of the vehicle can be saved, and the traffic signal lamp countdown display