Modeling and Implementation of Adaptive Transit Signal Priority on Actuated Control Systems
This article describes the development and implementation of adaptive transit signal priority (TSP) on an actuated dual-ring traffic signal control system. After providing an overview of architecture design of the adaptive TSP system, the article presents an adaptive TSP optimization model that optimizes green splits for 3 consecutive cycles to minimize the weighted sum of transit vehicle delay and other traffic delay, considering the safety and other operational constraints under the dual-ring structure of signal control. The model is illustrated using a numerical example under medium and heavily congested situations. The findings from a field operational test are also reported to validate and demonstrate the developed TSP system. At a congested intersection, it is found that the average bus delay and average traffic delay along the bus movement direction were reduced by approximately 43% and 16%, respectively. Moreover, the average delay of cross-street traffic was increased by about 12%.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/10939687
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Authors:
- Li, Meng
- Yin, Yafeng
- Zhang, Wei-Bin
- Zhou, Kun
- Nakamura, Hideki
- Publication Date: 2011-5
Language
- English
Media Info
- Media Type: Print
- Features: Figures; References; Tables;
- Pagination: pp 270-284
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Serial:
- Computer-Aided Civil and Infrastructure Engineering
- Volume: 26
- Issue Number: 4
- Publisher: Blackwell Publishing
- ISSN: 1093-9687
- Serial URL: http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1467-8667
Subject/Index Terms
- TRT Terms: Actuated traffic signal controllers; Adaptive control; Optimization; Public transit; Traffic actuated controllers; Traffic models; Traffic signal preemption; Transit vehicle operations
- Subject Areas: Highways; Operations and Traffic Management; I73: Traffic Control;
Filing Info
- Accession Number: 01336952
- Record Type: Publication
- Files: TRIS
- Created Date: Apr 18 2011 12:24PM