公交信号优先的分析评价方法和统计验证

交通运输系统工程与信息 ›› 2008, Vol. 8 ›› Issue (2): 48-57 .

公交信号优先的分析评价方法和统计验证

刘鸿潮^1* ;张杰²;成鼎新³

(1 德克萨斯理工大学土木与环境系, 美国 TX79409-1023;
2 KBR工程咨询公司,德克萨斯州,美国 TX75207; 3加州州立大学赤蔻分校土木工程系, 美国 TX95929

收稿日期:2008-01-21 修回日期:2008-03-06 出版日期:2008-04-25 发布日期:2008-04-25
通讯作者: 刘鸿潮
作者简介:刘鸿潮（1968-），男，河北唐山市人，助理教授，博士.

An Analytical Approach to Evaluating Transit Signal Priority

LIU Hong-chao ¹; ZHANG Jie ² ;CHENG Ding-xin ³

1 Department of Civil and Environmental Engineering, Texas Tech University, TX 79409-1023, USA;
2 KBR Inc., TX75207, USA;3 Department of Civil Engineering, California State University, Chico, CA 95929, USA

Received:2008-01-21 Revised:2008-03-06 Online:2008-04-25 Published:2008-04-25
Contact: LIU Hong-chao

摘要/Abstract

摘要： 公交信号优先系统在投入使用以前要经过严格的测试分析。交通仿真虽然在这方面是一个很好的工具，但它往往需要大量的路网输入，数据采集以及模型校准等工作。而且，交通仿真模型的开发都是根据不同的项目“量身定做”，项目完成即被丢弃，很难再重复使用到其它项目上去。本文探讨用交叉口容量分析的方法来评价公交信号优先对公交车以及其它车辆的影响。就目前最常用的两种公交信号优先方法，即“绿信号先导”和“绿信号延长”展开分析，用大家熟知的韦伯思特的图形方法来诠释这两种方法对公交车辆和其它车辆交叉口延迟的影响.采用交通仿真对分析结果进行的统计验证表明,用分析方法得到的结论是可靠的。

关键词: 交通信号控制, 公交优先, 交通仿真, 信号配时

Abstract: Successful deployment of transit signal priority (TSP) systems requires thorough laboratory evaluation before field implementation. Traffic simulation is a powerful tool in this regard; however, it requires tremendous efforts toward network coding, data collection and model calibration. Besides, simulation models tend to be project specific and the models developed for one project are often discarded upon the completion of that project. In this paper, it is shown that the impacts of two fundamental TSP strategies (early green and extended green) can be evaluated using an analytical approach. The impacts of the above two strategies on both the prioritized and the non-prioritized approaches are illustrated using graphical as well as analytical methods. A simulation study is then conducted for comparison analyses, followed by a statistical approach for the test of generality.

Key words: traffic signal system, bus priority, traffic simulation, signal timing

中图分类号:

刘鸿潮,张杰,成鼎新. 公交信号优先的分析评价方法和统计验证[J]. 交通运输系统工程与信息, 2008, 8(2): 48-57 .

LIU Hong-chao, ZHANG Jie,CHENG Ding-xin . An Analytical Approach to Evaluating Transit Signal Priority[J]. Journal of Transportation Systems Engineering and Information Technology, 2008, 8(2): 48-57 .

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链接本文: http://www.tseit.org.cn/CN/abstract/abstract17640.shtml

http://www.tseit.org.cn/CN/Y2008/V8/I2/48

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