本文是以五角场环岛为例,探讨了环岛交通信号灯的控制方式,分析了环岛内交通灯不同状态下的车流汇聚疏散情况,提出根据实际车流量来调节交通灯的控制策略,来缓解大流量车流造成交通堵塞的问题。 This paper takes Wujiaochang circular island as an example to discuss the control mode of the traffic lights around the island and analyze the convergence and evacuation of the traffic lights under different conditions of the traffic lights around the island and proposes to adjust the control strategy of the traffic lights according to the actual traffic flow to ease the large traffic Traffic flow caused by traffic congestion problems.