Design of Traffic-Signal Progression for the Modern Streetcar: Case Study of Qilin Line One, Nanjing, China
Publication: Journal of Transportation Engineering, Part A: Systems
Volume 147, Issue 12
Abstract
Mass streetcars operating record data used in a proper way can reveal the operational characteristics of streetcars to the full extent. This paper aims to design the traffic-signal progression for the modern streetcar by mining and analyzing these data. Each unit in the study consists of two adjacent signalized intersections. The -means clustering algorithm is used to cluster the streetcar travel time data between two intersections and to determine whether the streetcar has stopped waiting for a red light at an intersection or not. An offset calculation model for streetcars is proposed to lower the impact of the conventional transit signal priority (TSP) for streetcars on motor vehicles. A real-world case study of Line One of the Nanjing, China, Qilin modern streetcar shows that the traffic-signal progression design proposed in this paper can reduce the conventional TSP’s negative impacts on motor vehicles by about 20%.
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Data Availability Statement
The author declares that some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
Grateful acknowledgement is made to Duolun Technology Corporation Ltd., which provided data and experimental platform.
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Published In
Journal of Transportation Engineering, Part A: Systems
Volume 147 • Issue 12 • December 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Jan 5, 2021
Accepted: Aug 2, 2021
Published online: Sep 21, 2021
Published in print: Dec 1, 2021
Discussion open until: Feb 21, 2022
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