A Study on Comprehensive Traffic Capacity of Urban Roads

In this paper, aimed at the congestion of urban roads, the author analyses the possibility of building an evaluation index system that is suitable for the traffic capacity of urban roads. The author proposes that urban traffic capacity should be evaluated in a dynamic comprehensive evaluation method according to the real time and dynamics of traffic condition. The roads can be divided into five types and their traffic capacity should be worked out in a respective calculation formula. On this basis, the comprehensive calculation model of the traffic capacity is set up. In order to improve the urban traffic condition, the author utilizes MATLAB7.0 to calculate and compare the traffic capacity of urban roads with three different structures. The results show that three types of open residential areas can raise the traffic capacity of the whole system and improve the road traffic conditions.