Volume 2, Issue 3, May 2017, Page: 32-38
Research on Bus Priority Control on Non-coordinated Phase Based on Transmodeler——A Case Study of Changjiang Road in Huangdao District of Qingdao
Zhang Junyou, College of Transportation, Shandong University of Science and Technology, Qingdao, China
Liao Yaping, College of Transportation, Shandong University of Science and Technology, Qingdao, China
Received: Jun. 26, 2017;       Accepted: Jul. 11, 2017;       Published: Aug. 1, 2017
DOI: 10.11648/j.ajtte.20170203.12      View  1901      Downloads  99
Abstract
Many studies focus only on the bus priority request on coordinated- phase in traffic signal coordination of artery, while ignoring the bus priority control on non-coordinated phases. For the non-coordinated phases with more bus traffic, it is necessary to achieve bus priority control on non-coordinated phases. Based on the coordinated control on artery and bus priority control on the coordinated phase, this paper put forward the control principle of bus priority on the non-coordinated phases for active early turning on and lately breaking green light and the calculation method of the green time on each phase with the limitation of upper and lower limits of the green belt and the minimum green time of every phase. This paper took the Changjiang Road in Huangdao District of Qingdao as an example, and established the existing signal control scheme of Changjiang Road in Transmodeler. After that, we input bus priority control principle on the non-coordinated phases and algorithm put forward in this paper into the simulation software system. Then, two traffic flow conditions were respectively simulated before and after implementing bus priority on the non-coordinated phases of the traffic signal on the Changjiang Road. Finally, the output evaluation index of each intersection signal on two conditions were compared and analyzed. The results showed that the proposed control principle and algorithm could reduce the traffic delay and improve the efficiency of road operation effectively.
Keywords
Non-coordinated Phase, Bus Priority, Green Light, Mode, Transmodeler
To cite this article
Zhang Junyou, Liao Yaping, Research on Bus Priority Control on Non-coordinated Phase Based on Transmodeler——A Case Study of Changjiang Road in Huangdao District of Qingdao, American Journal of Traffic and Transportation Engineering. Vol. 2, No. 3, 2017, pp. 32-38. doi: 10.11648/j.ajtte.20170203.12
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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