Research on the green wave control of signalized intersections of the Longmen Road in Tianjin

Reasonable traffic organization and signal-coordinated control scheme is one of the valid ways to improve the efficiency of arteries. Through the investigation of the current geometric layout, traffic flow, phase setting, traffic operation and control scheme of the three intersections in the west section of Longmen Road in Tianjin. Conduct an arterial green wave control study for these three intersections. Greenwave control signal timing scheme design by Synchro software. Based on the control program, the VISSIM software simulates the road sections and intersections before and after optimization, and outputs the travel time, average queue length and delay time. The results of the study show that trip times and average queue lengths at all three intersections were reduced during the morning peak, flat peak, and evening peak hours. Some evaluation metrics improve significantly. Minimum improvement of 10.6% and a maximum of 66.48% in total roadway delay, which proves the effectiveness of green wave control in improving the running conditions of the road section.