Traffic Circle Administration Based on Circuit Principles and Marginal Benefit Theory

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• 作者：Zhuoyun Jin ; ^{jin1014_tiancai@yahoo.com.cn} ; Yuanbiao Zhang ^{abiaoa@163.com} ; Minglang Cui ^{Jiuweihu_2006@126.com} ; Zhiqiang Guo ^{cuiminglang@qq.com}
• 关键词：Traffic circle ; Roundabouts ; Circuit principles ; Marginal benefit theory
• 刊名：Energy Procedia
• 出版年：2012
• 出版时间：2012
• 年：2012
• 卷：17
• 期：part_PA
• 页码：340-348
• 全文大小：308 K

文摘

In this paper, a comprehensive model is constructed aiming at solving traffic circle problem which greatly bothers the modern society. Firstly, the quantification approach to assess the clog degree is put forward according to the description of electrical power in circuit principles. Then making use of the economic concept of marginal cost and relationship between supply and demand, judgment can be made on the changing rule of marginal social benefit when every unit of money is spent on the issue to improve traffic circle conditions. The intersection point when marginal social benefit turns from positive to negative is the best point for government to invest on the road conditions. Combined with conflict degree, we determine using different methods under various circumstances: laying stop or yield sign, placing traffic lights, or limiting the highest speed. In addition, consulting the mechanism of primary response circuit, we establish the method to set time for traffic lights. At last, an instance analysis is set for Xiamen Lianban traffic circle and the result shows that our research can reasonably deal with the practical problem.