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Transportation Letters
The International Journal of Transportation Research
Volume 14, 2022 - Issue 6
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Research Paper

Traffic wave models for the urban road with a work zone

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ABSTRACT

The work zones greatly change the traffic wave characteristics on the urban road and further significantly influence the signal timing schemes. However, studies on the traffic wave under the influence of work zones are limited. This paper attempts to investigate how a work zone changes the traffic wave propagation characteristics. The traffic wave profiles for different scenarios are analyzed to explore the propagation characteristics of the traffic waves. Then the novel models for the various traffic waves are proposed. Furthermore, a real case study is conducted to evaluate the performance of the proposed models. The study indicates on the road with the work zone, the lane-blockage phenomenon is more likely to occur, which can be improved by releasing the left-turn vehicles before the through-right vehicles in the intersection signal scheme. The case study shows the proposed models have good performance, with the MAPE value of 20%.

Acknowledgments

This work was supported by Key research and development project of Sichuan Province (19ZDYF2068), National Natural Science Foundation of China (Grant No. 61773337), Zhejiang Provincial Natural Science Foundation (Granted no. LY17F030009).

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by the National Natural Science Foundation of China [No. 61773337]; Key research and development project of Sichuan Province [19ZDYF2068]; Zhejiang Provincial Natural Science Foundation [no. LY17F030009].

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