提高高速公路通行效率的可变限速控制策略

doi:10.7964/jdxbgxb201305009

吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (05): 1204-1209.doi: 10.7964/jdxbgxb201305009

提高高速公路通行效率的可变限速控制策略

李志斌¹, 金茂菁², 刘攀¹, 徐铖铖¹

1. 东南大学交通学院, 南京 210096;
2. 科技部高技术研究发展中心, 北京 100044

收稿日期:2012-02-07 出版日期:2013-09-01 发布日期:2013-09-01
通讯作者: 刘攀(1979- ),男,教授,博士生导师.研究方向:交通安全.E-mail:liupan@seu.edu.cn E-mail:liupan@seu.edu.cn
作者简介:李志斌(1983- ),男,博士研究生.研究方向:交通运输规划与管理.E-mail:lizhibin@seu.edu.cn
基金资助:
"973"国家重点基础研究发展计划项目(2012CB725400);"863"国家高技术研究发展计划项目(2012AA112304);东南大学优秀博士学位论文基金项目(YBPY1211).

Evaluation of impact variable speed limits on improving traffic efficiency on freeways

LI Zhi-bin¹, JIN Mao-jing², LIU Pan¹, XU Cheng-cheng¹

1. School of Transportation, Southeast University, Nanjing 210096, China;
2. High Technology Research and Development Center of Ministry of Science and Technology, Beijing 100044, China

Received:2012-02-07 Online:2013-09-01 Published:2013-09-01

摘要/Abstract

摘要：

为减少高速公路常发瓶颈区域车辆行驶延误,针对提高瓶颈区域通行效率的可变限速控制策略与控制效果进行了研究。阐述了瓶颈通行能力下降现象与通行效率的关系,提出防止瓶颈区域通行能力下降的可变限速控制策略,讨论了不同瓶颈类型的可变限速控制方法与理论效果。以入口匝道交通瓶颈为例,对可变限速控制策略的效果进行仿真分析,结果表明该策略减少了车辆总通行时间25.5%,减少车辆总行驶延误56.1%,有效提升了高速公路常发瓶颈区域通行效率。

关键词: 交通运输系统工程, 通行效率, 可变限速, 控制策略, 交通瓶颈

Abstract:

To reduce vehicle delay at recurrent bottlenecks on freeways, this study aims to develop a control strategy of Variable Speed Limits (VSL) to improve the traffic efficiency near bottlenecks. First, the relationship between the capacity drop and traffic efficiency was analyzed. Then a control strategy of VSL that aims to prevent the capacity drop was proposed. The implementation of VSL at several different bottlenecks and the expected effects were discussed. The proposed strategy was evaluated for a merging bottleneck via simulation. The results show that the total travel time was reduced by 25.5% by the VSL, and the total delay was reduced by 56.1%. The traffic efficiency in the vicinity of recurrent bottleneck was improved by this VSL control strategy.

Key words: engineering of communications and transportation system, traffic efficiency, variable speed limit, control strategy, bottleneck

中图分类号:

U491.4

李志斌, 金茂菁, 刘攀, 徐铖铖. 提高高速公路通行效率的可变限速控制策略[J]. 吉林大学学报(工学版), 2013, 43(05): 1204-1209.

LI Zhi-bin, JIN Mao-jing, LIU Pan, XU Cheng-cheng. Evaluation of impact variable speed limits on improving traffic efficiency on freeways[J]. 吉林大学学报(工学版), 2013, 43(05): 1204-1209.

参考文献

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[8] 吴庆新,冯毅,吴廉尉,等.远程控制可变限速标志的设计[J].吉林大学学报:工学版,2003,33(3):101-103. Wu Qing-xin, Feng Yi, Wu Lian-wei,et al. Design of long-range controllable variable speed limit sign[J]. Journal of Jilin University(Engineering and Technology Edition),2003,33(3):101-103.

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提高高速公路通行效率的可变限速控制策略

Evaluation of impact variable speed limits on improving traffic efficiency on freeways

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