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重庆市是我国长江上游最大的工业基地和工商业重镇、中西部地区唯一的直辖市,肩负着三峡库区建设、传统产业改造、促进西部大开发等历史重任。但是,由于种种历史原因,重庆市基础设施(信息网络和交通网络等)的综合建设及管理都比较落后,没有道路交通监管和诱导系统,致使交通流分布不均,部分道路的车辆流量超过设计标准4～5倍、车辆拥挤度达到了1.42,临近超饱和状
As the largest industrial base, industrial and commercial center in China’s upper reaches of the Yangtze River and the only municipality directly under the Central Government in the upper reaches of the Yangtze River, Chongqing is shouldering the historic tasks of building the Three Gorges reservoir area, rebuilding traditional industries and promoting the development of the western region. However, due to various historical reasons, the comprehensive construction and management of infrastructures (information networks and transportation networks, etc.) in Chongqing are relatively backward. There is no road traffic regulation and guidance system, resulting in uneven distribution of traffic flow and traffic flow of some roads exceeding design Standard 4 to 5 times, vehicle overcrowding reached 1.42, near super-saturation