|Table of Contents|

[1] Cheng Lanxing, Qian Zhendong, Luo Sida, Li Juchen, et al. Optimization of lane assignmentfor signalized T-intersection based on VISSIM [J]. Journal of Southeast University (English Edition), 2018, (1): 112-119. [doi:10.3969/j.issn.1003-7985.2018.01.016]
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Optimization of lane assignmentfor signalized T-intersection based on VISSIM()
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
Issue:
2018 1
Page:
112-119
Research Field:
Traffic and Transportation Engineering
Publishing date:
2018-03-20

Info

Title:
Optimization of lane assignmentfor signalized T-intersection based on VISSIM
Author(s):
Cheng Lanxing1 Qian Zhendong1 Luo Sida2 Li Juchen3
1Intelligent Transportation System Research Centre, Southeast University, Nanjing 210096, China
2Department of Civil and Environmental Engineering, Northwestern University, Evanston 60208, USA
3School of Transportation, Southeast University, Nanjing 210096, China
Keywords:
delay T-intersection tandem design traffic flow turning proportion
PACS:
U491.51
DOI:
10.3969/j.issn.1003-7985.2018.01.016
Abstract:
In order to improve the performance of the signalized intersection, an unconventional scheme tandem design(TD)is proposed. A simulation experiment is conducted to evaluate the capacity and delay under the unconventional scheme and two conventional lane assignment schemes. First, the VISSIM is employed as microsimulation to obtain the delay of different designs at signalized T-intersections under different conditions of traffic flow and turning proportion. Secondly, a method based on discriminant analysis(DA)is proposed to determine the best design scheme using the flow and turning proportion as inputs. Finally, a case study in Changsha city, China is used to demonstrate the efficiency and accuracy of these findings. The results indicate that the traffic flow and turning proportion are the crucial factors in scheme selection of lane assignment. Different from the previous research, the TD has better performance over various traffic flow levels. Furthermore, a proper proportion of left turns makes TD an outstanding option, which can reduce the delay and decrease the average number of stops and queue length significantly. However, the proportion should not be too high or too low. The research results can help practitioners obtain a quantitative view of appropriate design schemes at signalized intersections when trying to relieve traffic congestion according to different traffic conditions.

References:

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Memo

Memo:
Biographies: Cheng Lanxing(1993—), female, graduate; Qian Zhendong(corresponding author), female, doctor, professor, qianzd@seu.edu.cn.
Citation: Cheng Lanxing, Qian Zhendong, Luo Sida, et al. Optimization of lane assignment for signalized T-intersection based on VISSIM[J].Journal of Southeast University(English Edition), 2018, 34(1):112-119.DOI:10.3969/j.issn.1003-7985.2018.01.016.
Last Update: 2018-03-20