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Cellular automation model for analyzing capacity of branch road section
Abstract：In order to reduce the traffic pressure of urban arterial road with the rational utilization of the branch road,the vehicle meeting behavior on the branch road without divided lane was described,and the cellular automation (CA) model was put forward by introducing meeting behavior to reflect the relation between safe meeting speed and road width.The numerical simulation results depict several relation curves between road section capacity,speed and road width under different directional distributions of traffic flow,as well as the curves between the major and minor direction saturation flow,speed and road width.These relation characteristics indicate that except the one-way road section capacity and speed remaining unchanged,other road section capacities and speeds under different directional distributions increase with the increase of road width.On narrow road,the two-way traffic capacity and speed are less than those of one-way traffic; on wide road,the two-way traffic capacity doubles that of one-way traffic,but their speeds are almost the same.As the directional distribution moves to an even distribution of 50/50,the major direction saturation flows and speeds as well as the minor direction speeds tend to decease,while the minor direction saturation flow tends to increase. 作者： Author： WANG Ying-zi[1] LONG Dong-fang[2] SHI Feng[3] 作者单位： School of Traffic and Transportation Engineering, Central South University, Changsha 410075, China;College of Civil Engineering, Hunan University, Changsha 410082, ChinaChangsha Urban Construction Technology School, Changsha 410216, ChinaSchool of Traffic and Transportation Engineering, Central South University, Changsha 410075, China 期 刊： 中南大学学报（英文版） EISCI Journal： Journal of Central South University of Technology(English Edition) 年，卷(期)： 2011, (5) 分类号： U491.112 Keywords： urban traffic road section capacity safe meeting speed cellular automation model 机标分类号： U49 TN9 机标关键词： analyzing model direction traffic capacity simulation results different minor traffic flow major automation rational order lane 基金项目： Cellular automation model for analyzing capacity of branch road section[期刊论文] 中南大学学报（英文版） --2011, (5)In order to reduce the traffic pressure of urban arterial road with the rational utilization of the branch road,the vehicle meeting behavior on the branch road without divided lane was described,and th...【Cellular automation model for analyz】相关文章：
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