The Feasibility of Opening Communities -- Based on the Wiedemann Car-Following Model

Xiao-Yan Cao, Bing-Qian Liu, Bao-Ru Pan, Yuan-Biao Zhang


With the accelerating development of urbanization in China, the increasing traffic demand and large scale gated communities have aggravated urban traffic congestion. This paper studies the impact of communities opening on road network structure and the surrounding road capacity. Firstly, we select four indicators, namely average speed, vehicle flow, average delay time, and queue length, to measure traffic capacity. Secondly, we establish the Wiedemann car-following model, then use VISSIM software to simulate the traffic conditions of surrounding roads of communities. Finally, we take Shenzhen as an example to simulate and compare the four kinds of gated communities, axis, centripetal and intensive layout, and we also analyze the feasibility of opening communities.

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Computer and Information Science   ISSN 1913-8989 (Print)   ISSN 1913-8997 (Online)  Email:

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