关键词: 交通工程, 公交信号优先, 停靠时间, VISSIM, 车辆延误

Abstract: In order to study the impact of bus dwell at the upstream of intersection on vehicle delays, VISSIM simulation was used to study the delay of bus and social vehicles on the primary and secondary intersecting roads, considering the fixed signal timing and bus priority signal timing. The simulation results show that when fixed signals are used at intersections, the delay of social vehicles on primary and secondary roads does not change with the change of bus dwell time. The larger the flow of main roads, the greater the delay of vehicles. When bus signal is preferred, the delay of bus on main roads varies significantly with the change of dwelling time, and the delay of social vehicles is significantly lower than that of fixed signal. The delay of social vehicles on secondary roads increases obviously when the bus stops on the main road for a long time.

Key words: traffic engineering, bus signal priority, dwell time, VISSIM, vehicle delays