[1] Liu HuanfengSong XianminZhang LibinTao PengfeiYang Qiujie,. Delay model of signalized roundabouts [J]. Journal of Southeast University (English Edition), 2017, 33 (3): 322-329. [doi:10.3969/j.issn.1003-7985.2017.03.011]

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Delay model of signalized roundabouts()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

33

Issue:

2017 3

Page:

322-329

Research Field:

Traffic and Transportation Engineering

Publishing date:

2017-09-30

Info

Title:

Delay model of signalized roundabouts

Author(s):

Liu HuanfengSong XianminZhang LibinTao PengfeiYang Qiujie

College of Transportation, Jilin University, Changchun 130022, China

Keywords:

roundabout;  signal control;  delay;  motorcade analysis method

PACS:

U491.1

DOI:

10.3969/j.issn.1003-7985.2017.03.011

Abstract:

In order to evaluate the service level of roundabouts intuitively, a new delay model of signalized roundabouts is established. According to traffic flow characteristics in the signalized roundabout, vehicle delays on roundabouts are divided into two parts: entrance delay and circulating lane delay. Entrance delay is calculated by the delay model in HCM2010. Circulating lane delay is studied by analyzing conflict behavior in signalized roundabouts, and the delay models of traffic flows turning in different directions are established based on the motorcade analysis method. Finally, the simulation software Vissim, calibrated with field data, is used to verify the model. The simulation results show that the average relative error of the model is 10.1%, meeting the accuracy requirements. Therefore, the delay model properly reflects the operation efficiency of a roundabout, and can thus provide a scientific basis for the design of control schemes.

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Memo

Memo:

Biographies: Liu Huanfeng(1989—), female, graduate; Song Xianmin(corresponding author), female, doctor, associate professor, songxm@jlu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.51278520, 51278220), the Postdoctoral Science Foundation of China(No.2014M551178), the Science and Technology Development Project of Jilin Province(No.20130206093SF).
Citation: Liu Huanfeng, Song Xianmin, Zhang Libin, et al.Delay model of signalized roundabouts[J].Journal of Southeast University(English Edition), 2017, 33(3):322-329.DOI:10.3969/j.issn.1003-7985.2017.03.011.

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