NDLI: New transit signal priority scheme for intersections with nearby bus rapid transit median stations

Content Provider	IET Digital Library
Author	Lin, Yongjie Yang, Xianfeng Terry Wang, Qinzheng
Abstract	To improve the accessibility of bus rapid transit (BRT) systems, the median stations are usually located beside intersections. However, due to the limited storage space at the stations, high bus volumes and fluctuant bus arrival patterns may cause queue spillbacks and consequently block the intersections. Traditional transit signal priority control could deteriorate such situations when a green extension or a red truncation is activated. Hence, it is essential to develop a new operational framework that is capable of both reducing bus travel time and preventing queue spillbacks at the median stations. This study presents a novel signal control scheme to integrate both priority (i.e. green extension and red truncation) and suppression strategies (i.e. green truncation and red extension) for approaching buses. Notably, the suppression control is only implemented to the farside directional traffic. To evaluate the proposed signal control system, this study tests the algorithms on a real BRT network in Jinan, China. Simulation results of multiple experiments show that the developed method has great promise in bus delay reduction and spillback avoidance in the station area. Other further explorations with sensitivity analysis find that the proposed control will be more effective when the signal is able to provide longer priority and suppression durations.
Starting Page	1606
Ending Page	1614
Page Count	9
ISSN	1751956X
Volume Number	14
e-ISSN	17519578
Issue Number	Issue 12, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-its.2019.0543
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-its/14/12
Journal	IET Intelligent Transport Systems
Publisher Date	2020-08-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	BRT Network Bus Delay Reduction Bus Rapid Transit System Bus Travel Time Reduction China Collision Avoidance Control System Analysis Delay Distributed Parameter Control System Green Extension Green Truncation Jinan Nearby Bus Rapid Transit Median Stations Public Transport Queue Spillback Prevention Rapid Transit System Red Extension Road Traffic Control Road Traffic System Control Road Vehicle Sensitivity Analysis Signal Control System Spatial Variables Control Suppression Control Synthesis Method Transit Signal Priority Control
Content Type	Text
Resource Type	Article
Subject	Law Transportation Environmental Science Mechanical Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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