China's Largest City Road System Problems And Renovation

The Big cities are facing more and more serious traffic problems in China. Theessence of traffic congestion is the unbalance conflict between roadway facilitiessupply and traffic demand. As the main carrier of urban traffic, urban roadwaysystem's limitation on traffic is the important aspect of cause of problem.Reinforcing the construction of urban roadway energetically and renew the roadwaysystem are the necessary selection on the condition of weak urban infrastructure andmore and more serious 'supply and demand' conflict.On the basis of analyzing the present problems existed in the roadway system ofthe big cities in China, the paper put forward a proposal of the renewal andreconstruction of roadway system, points out that the essence of the renewal andreconstruction is constructing roadway system which is answer modern urban trafficvehicle moving characteristic through the method of construction and reconstructionunder the direction of urban planning and traffic planning. And then the paper makessuggestions from some aspects: perfecting the mechanism of urban roadwaysystem, reconstructing the roadways in the old district, renewing throughway androutine roadway system,establishing independent roadway net where a variety oftraffic current such as automobile, bicycle and pedestrian are segregate, and so on.The paper points out that the renewal should adopt the development step from nearto far future, emphasize the actualization, actualize the sustained development of theurban roadway system, enhance the efficiency of urban traffic in order to advancetraffic modernization and the urban renewal.