[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()

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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

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.

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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.

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