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Research on Characteristics of Traffic Flow Affected by Vehicle Lane Change on Urban Expressway
Pages: 51-57
Year: Issue:  2
Journal: Journal of Chinese People's Public Security University(Science and Technology)

Abstract: 城市快速路作为城市主干交通网具有重要作用,车辆换道是影响城市快速路交通运行状态的主要因素.基于北京市东南五环实地交通调查数据,构建并标定了城市快速路车辆换道仿真模型,通过Vissim仿真比较自由换道和强制换道的影响,研究交通需求、交通组成、分离比例、换道次数与城市快速路交通流特性的关系,分析交通需求和换道次数的共同作用.结果表明,平峰时疏解交通需求,高峰时优化横向分布.通过远端分流,控制大中型货车驶入并设置慢车道,诱导车辆提前或延后驶出相邻匝道,倡导提前换道处罚强行换道等措施,改善城市快速路换道路段的交通运行状况.
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