[1]李锐,李文权,邱丰.考虑主路左转延误的主路优先交叉口信号设置流量阈值[J].东南大学学报(自然科学版),2012,42(3):551-554.[doi:10.3969/j.issn.1001-0505.2012.03.031]
 Li Rui,Li Wenquan,Qiu Feng.Signal setting critical volume for two-way stop-controlled intersection based on major left-turn delay[J].Journal of Southeast University (Natural Science Edition),2012,42(3):551-554.[doi:10.3969/j.issn.1001-0505.2012.03.031]
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考虑主路左转延误的主路优先交叉口信号设置流量阈值()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
42
期数:
2012年第3期
页码:
551-554
栏目:
交通运输工程
出版日期:
2012-05-20

文章信息/Info

Title:
Signal setting critical volume for two-way stop-controlled intersection based on major left-turn delay
作者:
李锐 李文权 邱丰
东南大学交通学院,南京 210096
Author(s):
Li Rui Li Wenquan Qiu Feng
School of Transportation, Southeast University, Nanjing 210096, China
关键词:
信号灯设置 主路优先交叉口 延误 主路左转车流 流量阈值
Keywords:
signal setting two-way stop-controlled intersection delay major left-turn flow critical volume
分类号:
U491.1
DOI:
10.3969/j.issn.1001-0505.2012.03.031
摘要:
为了进一步完善主路优先交叉口信号灯设置流量条件,考虑了主路左转车流延误对交叉口信号灯设置条件的影响.通过分析主路左转车流在信号灯设置前后的交通特性,利用控制延误方法和Webster方法的研究思路,分别建立主路左转车流在信号灯设置前后的车均延误改进模型.从交叉口交通运行效率的角度出发,以交叉口车均延误作为判别指标,建立信号灯设置前后交叉口等车均延误曲线,以此曲线作为判断交叉口是否需要设置信号灯的阈值条件,同时还给出了不同主路左转车流比例下的流量阈值.与美国MUTCD提出的阈值曲线相比,考虑左转车流延误影响的流量阈值曲线更符合我国主路优先交叉口交通特性,具有更强的实用性.
Abstract:
In order to improve the signal setting warrant of two-way stop-controlled(TWSC)intersections, the impact of major left-turn delay on signal setting critical volume for TWSC intersections is considered. After analyzing the characteristics of major left-turn flow, the control delay method and the Webster method are used to develop major left-turn flow’s average vehicle delay models before and after signal control setting, respectively. Based on traffic efficiency, vehicle average delay is regarded as the discrimination index, and the curve of vehicle average delay is given as the critical volume for determining whether the intersection needs to be set signal. Besides, critical volume curves of different left-turn flow rates are given. Compared with the curve offered by Manual on Uniform Traffic Control Devices, U.S., the critical volume curve considering major left-turn delay can fit the traffic characteristics of Chinese intersections well, therefore, it is more practical for Chinese TWSC intersections.

参考文献/References:

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[4] 王殿海,马东方,陈永恒.主支路交叉口设置信号的临界流量[J].西南交通大学学报,2009,44(5):759-763.
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相似文献/References:

[1]马小毅,王炜.模拟方法在主路优先交叉口通行能力中的应用[J].东南大学学报(自然科学版),1997,27(5):71.[doi:10.3969/j.issn.1001-0505.1997.05.013]
 Ma Xiaoyi,Wang Wei.Simulation Method Applied in the Traffic Capacity of a Priority Intersection[J].Journal of Southeast University (Natural Science Edition),1997,27(3):71.[doi:10.3969/j.issn.1001-0505.1997.05.013]

备注/Memo

备注/Memo:
作者简介: 李锐(1984—),男,博士生; 李文权(联系人),男,博士,教授,博士生导师,wenqli@seu.edu.cn.
基金项目: 国家自然科学基金资助项目(50978057)、“十一五”国家科技支撑计划资助项目(2006BAJ18B03).
引文格式: 李锐,李文权,邱丰.考虑主路左转延误的主路优先交叉口信号设置流量阈值[J].东南大学学报:自然科学版,2012,42(3):551-554. [doi:10.3969/j.issn.1001-0505.2012.03.031]
更新日期/Last Update: 2012-05-20