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%.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/10939687
• 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
• 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