本文主要以优化城市空间资源、提高路网通行能力和协调各主干道与支干道车辆流通作为出发点,通过系统动力学构建路网设置、交叉路口和上下班高峰期等影响因素作为评价体系,并使用分布模拟开放后小区各主干道与支干道车流量,通过对小区开放前后车辆通行能力和车辆滞留数进行对比,得到小区开放后减缓了周边道路通行的压力。 The article is mainly to take the rational allocation of urban space, to optimize the urban space resources, to improve the road network traffic capacity and to coordinate each main road and the road vehicle flowing as a starting point. It is the evaluation system that is through the system dynamics building road network settings, intersection, traffic lights, and the rush hour and so on. And then using Poisson distribution imitates the case that each main traffic road and the branches of roads are flowing in some places after opening. It can be concluded that the stress of traffic around the roads is decreased by comparing the traffic capacity and the number of stranded vehicles.