| In recent years, China’s urbanization continues to accelerate, urban traffic congestion and blockage is getting serious, traffic accidents and environmental pollution is getting worse. The transportation issue has become a bottleneck which is restricting urban development. China’s city ease traffic by two solutions:on the one hand they construction urban road network, on the other hand they optimize and improve intersection traffic control, and the latter has become an important way to improve the capacity and quality of urban roads. The source of this article is sub-item of key project of science and technology of chongqing--key technologies research and system development. of the trunk Green Wave linkage control. Research tunk coordination control of xinnan road, chongqing by simulation, which lay the foundation of whole technologies research and system development, it’s significant.This article refer the large number to relevant literature, introduced the basic meaning of trunk road control, the basic control parameter First, next, researched linkage control technology of the trunk road green wave, pointed out the inadequacies of traditional numerical solution to algorithm of trunk road green wave control model, and proposed an improved algorithm. Analysis the causes of traffic congestion on the basis of full investigation to the traffic condition of xinnan road. On top of this, simulation by using Vissim researched current situation of Xinnan Roadtrunk intersection control, and proposed solutions, simulation with the proposed solutions and actual survey data of the sections.By results of synchro software simulation, compared the evaluation before and after the implementation of the trunk road green wave control technology, revealed roads Green Wave Control Technology of this study is a scientific and effective. |
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