[1] Qu Zhaowei, Bai QiaowenChen Yongheng, Cao Ningbo, Xiong Shuai, et al. Optimal design of left-lane line extensions considering non-yieldingmaneuvers at the beginning of the permitted phase [J]. Journal of Southeast University (English Edition), 2018, 34 (1): 120-126. [doi:10.3969/j.issn.1003-7985.2018.01.017]
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Optimal design of left-lane line extensions considering non-yieldingmaneuvers at the beginning of the permitted phase(
)
考虑许可相位初期车辆抢行行为的左转导向线优化设计方法
)Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]
- Volumn:
- 34
- Issue:
- 2018 1
- Page:
- 120-126
- Research Field:
- Traffic and Transportation Engineering
- Publishing date:
- 2018-03-20
Info
- Title:
- Optimal design of left-lane line extensions considering non-yieldingmaneuvers at the beginning of the permitted phase
- 考虑许可相位初期车辆抢行行为的左转导向线优化设计方法
- Author(s):
- Qu Zhaowei; Bai QiaowenChen Yongheng; Cao Ningbo; Xiong Shuai
- College of Transportation, Jilin University, Changchun 130022, China
- Keywords:
- left-turning vehicle; permitted phase; non-yielding maneuver; optimal design; left-lane line extensions
- PACS:
- U491
- DOI:
- 10.3969/j.issn.1003-7985.2018.01.017
- Abstract:
- In order to restrict non-yielding maneuvers of left-turning vehicles, an optimal design of left-lane line extensions is proposed to solve the problem. A field observation was conducted to collect a data set of left-turning vehicles at the beginning of a green phase at two similar intersections(one with a permitted phase and the other with a protected phase). The comparative analysis shows no significant difference in the speed distribution using either a permitted phase or a protected phase, but it reveals that a permitted phase can lead to a larger acceleration when the left-turn vehicles pass through the conflict points. Those indicate the existence of non-yielding maneuvers of left-turn vehicles at signalized intersections with a permitted phase. Optimal designed left-lane line extensions contain two types of segments, circular curves and transition curves, and they are only related to four geometry parameters of an intersection. The proposed method is easy to use and it can offer reference for intersection channelization and traffic organization.
- 为了约束许可相位下左转车辆的抢行行为, 提出了左转导向线的优化设计方法.对许可相位和保护相位绿灯初期的左转车辆进行数据采集和对比分析.结果表明:许可相位对绿灯初期左转车辆通过冲突点的速度影响有限, 但是会使左转车辆通过冲突点时的平均加速度增大.许可相位启亮初期存在左转车辆的抢行行为.优化设计的左转导向线由一段圆曲线和一段缓和曲线构成, 曲线形式仅与交叉口的4个几何参数相关.该优化设计方法简单易用, 能够为交叉口合理的渠化和交通组织提供依据.
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Memo
- Memo:
-
Biography: Qu Zhaowei(1962—), male, doctor, professor, quzw@jlu.edu.cn.
Foundation item: The National Natural Science Foundation of China(No.51278220).
Citation: Qu Zhaowei, Bai Qiaowen, Chen Yongheng, et al.Optimal design of left-lane line extensions considering non-yielding maneuvers at the beginning of the permitted phase[J].Journal of Southeast University(English Edition), 2018, 34(1):120-126.DOI:10.3969/j.issn.1003-7985.2018.01.017.