城市道路路段可变车道设置效果评价方法  

Evaluation on Effect of Setting Variable Lane in Urban Road Section

作　　者：张卫华[1] 韩高峰[1] 颜冉 卫立阳 

机构地区：[1]合肥工业大学交通运输工程学院,安徽合肥230009

出　　处：《重庆交通大学学报（自然科学版）》2014年第4期128-133,共6页Journal of Chongqing Jiaotong University(Natural Science)

基　　金：国家自然科学基金项目(51178158;51308176)

摘　　要：设置可变车道可以充分利用现有道路资源,有效缓解城市道路高峰时段的潮汐交通问题。从道路状况和交通流特征方面分析了可变车道设置的基本条件,运用熵值法提出了评价道路通行效率的模型,结合通行能力模型,探讨了路段上交通流量和车辆行驶速度之间的关系;提出了可变车道设置效果评价模型以及计算方法;以城市道路为例,对该评价方法进行了应用研究,并利用交通仿真软件Vissim进行仿真分析,结果表明,方法实用可行。Setting variable lane could make full use of existing road resources and effectively relieve urban roads tidal traffic problems during peak hours. Firstly, the basic conditions of setting variable lane were analyzed from road condition and traf- fic flow characteristics. Secondly, a model to evaluate the road traffic capacity efficiency was established by the entropy method. Thirdly, the relationship between traffic flow and running speed was discussed combining with the road capacity model. Fourthly, the effect evaluation method and calculation method of setting variable lane was put forward. Finally, taking the roads in one city as an instance, the application research of the proposed evaluation method was carried out and sim- ulation analysis was carried out by traffic simulation software Vissim. The research results show that the proposed method is feasible.

关 键 词：交通工程 可变车道 行驶速度 通行能力 熵值法 

分 类 号：U491.4[交通运输工程—交通运输规划与管理]