北京市公安交通管理局在市政管委、市规委办协调和市规划局、市规划院、市政管理处等有关部门的积极配合下,加大对路口的改造,以缓解道路交通拥堵状况。近年来,随着车辆的不断增加,一些路日的交通流量早已超过路口通行设计能力,加之一些路口的设计已不适应飞速发展的城市交通。有的路口交通设施、标志、标线也需根据当前交通流量进行调整。路口存在着的种种问题,使本来就不畅通的路口更加拥堵,给广大群众的出行带来不便。为缓解交通拥堵,保证安全畅通,公 Beijing Municipal Public Security and Traffic Administration Bureau, with the active cooperation of the municipal government commissioners, the city planning office coordinating and the municipal planning bureau, the city planning institute and the municipal administration department, and other related departments, stepped up the reconstruction of the intersection to ease traffic congestion . In recent years, with the continuous increase of vehicles, some traffic lights on the road have already exceeded the design capacity at the intersection, and the design of some junctions has not adapted to the rapid development of urban traffic. Some intersection traffic facilities, signs, marking also need to be adjusted according to the current traffic flow. The problems that exist at the junction make the already unobstructed intersection more congested and bring inconvenience to the general public’s travel. In order to ease traffic congestion, ensure safe and smooth, public