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《Journal of Transportation Systems Engineering and Information Technology》 2016-01
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Modeling and Analyzing of Traffic Flow on the Work Zone of Urban Signalized Intersection Based on Social Force

QIU Xiao-ping;SUN Ruo-xiao;MA Li-na;YANG Da;School of Transportation and Logistics,Southwest Jiaotong University;Comprehensive Intelligent Transportation National and Local Joint Engineering Laboratory,Southwest Jiaotong University;Comprehensive Transportation Key Laboratory of Sichuan Province;  
The capacity of urban signalized intersection will decrease and traffic flow will run chaotically because of a work zone sets in the intersection. In order to study urban signal intersection work zone traffic flow at a micro level, it puts forward a new applicable social force model of intersection traffic flow for the first time, based on initial social force model. Factors affecting the capacity of island work zone are analyzed.A data collection program is designed to obtain data of work zone intersection. The measured data and genetic algorithm(GA) are used to do the presented model calibration, and then it is evaluated with several statistical indicators. The results show that the average absolute relative error of simulation traffic data and real data is 0.028, so it can make a reference to analyze the traffic flow of urban signal intersection work zone.
【Fund】: 国家自然科学基金(51408509 51278429);; 四川省科技厅项目(2013GZX0167 2014ZR0091);; 成都市科技局软科学项目(2014RK0000056ZF 2014RK0000072ZF)~~
【CateGory Index】: U491
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