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Time Headway Distribution Characteristics of Merging Area on Urban Expressway Interchanges
Author(s): 
Pages: 961-965
Year: Issue:  7
Journal: Journal of Beijing University of Technology

Keyword:  交通工程 车头时距分布 合流区 城市快速路 互通立交;
Abstract: 为了分析城市快速路互通立交交织区对合流区车头时距分布的影响,根据广州市快速路半苜蓿叶互通立交的实测数据,研究了从交织区末端至合流区鼻端间的车头时距变化特性,以及城市快速路互通立交合流区的车头时距分布与高速公路合流区车头时距分布的差异,提出了用绝对值韦布尔函数模型拟合互通立交在交织区影响下合流区的车头时距分布特性的方法,通过图形模拟和数据检验,证明该模型的拟合效果良好.
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