城市环形交叉交通提升方案研究

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【摘    要】：为了解决大中城市环形交叉易发生局部拥堵的问题，以山东省枣庄市光明路与西昌路交叉口为例，探索环形交叉口改造途径。通过现状交通调查，发现路口存在的问题；结合道路现状情况、规划定位、交通流量分析及预测结论，综合考虑工程投资、工程周期和建设难度等因素给出改造方案。

【关键词】：环形交叉；拥堵；提升改造；城市交通

【中图分类号】：U491.23 【文献标志码】：C 【文章编号】：1008-3197（2024）02-29-04

【DOI编码】：10.3969/j.issn.1008-3197.2024.02.008

Research on Urban Roundabout Traffic Enhancement Plan

WU Yan

（China North China Municipal Engineering Design and Research Institute Co. Ltd.， Tianjin 300074，China）

【Abstract】：In order to solve the problem of local congestion at roundabouts in large and medium-sized cities， this article takes the intersection of Guangming Road and Xichang Road in Zaozhuang City， Shandong Province as an example to explore ways to improve roundabouts. Through the current traffic investigation， it was found that there are problems at the intersection. Based on the current situation of the road， the overall planning and positioning， as well as the analysis and prediction conclusions of traffic flow，the paper gives the improvement scheme considering the project investment， periodand construction difficulty.

【Key words】：roundabout; congestion; renovation and improvement;urban transportation

道路交叉口是两条或两条以上道路的相交处，是车辆及行人汇集、转向和疏散的必经之地，是道路交通的重要组成部分，是城市路网体系的咽喉和交通大动脉畅通的关键所在[1]。（剩余3755字）