运输工程
计算机科学
汽车工程
道路交通
交通模拟
模拟
环境科学
工程类
微模拟
作者
Shan Yu,Huimin Yan,Xi Lin,Meng Li
出处
期刊:CICTP 2020
日期:2020-12-09
标识
DOI:10.1061/9780784483053.203
摘要
It is agreed that freeway has higher capacity than urban streets because of its higher speed limits and relatively closed traffic condition. However, the existence of low-speed vehicles on freeways, as well as resultant frequent lane-change and overtaking behaviors of other vehicles, will greatly decrease the capacity. And low-speed fines have been imposed on some freeways in China. In order to further clarify the impact of the characteristics of low-speed vehicles (i.e., speed, proportion, and driving lanes) on traffic capacity and overall traffic state, in this paper we conduct extensive simulation experiments using VISSIM 11 software. Different demand levels and freeways with different number of lanes are constructed by VISSIM to obtain comprehensive results under diverse proportion of low-speed vehicles. This study can help analyzing the impact of vehicle speed composition on traffic state, as well as providing guidance for the formulation and application of relevant traffic policies.
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