The results suggested that the appropriate layout of left-turning vehicles waiting area could reduce per pcu delay increase utilization ratio of approaches and make the best of the space-time resources of intersections.

• 结果表明:合理设置左转机动车等待区可以缩短周期时长,减小车均延误,提高进口车道的利用率,充分利用交叉口的时空资源。