Improving Actuated Traffic Signal Control Operations Using Concept of Dynamic Gap-Out

Traffic signal timing optimization and control is one of the most cost-effective ways of improving urban arterial network congestion. Actuated traffic signal control systems are widely deployed around the world to provide green times where needed. The actuated control uses a pre-specified gap-out time to determine an early termination of current phase green time. However, the existing traffic signal control system relies on fixed point detectors that are installed on near stop bar and/or a few hundred feet upstream of the stop bar such that the system cannot capture entire vehicular movements along the approach link. This paper presents a dynamic gap-out concept and evaluates it suing a microscopic simulation model with a COM interface. The results based on microscopic simulation runs under two one-way streets with 50 volume scenarios indicating that the dynamic gap-out can reduce vehicular delays by 20% when compared to existing regular gap-out.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0784407991
• Corporate Authors:

  American Society of Civil Engineers

  1801 Alexander Bell Drive
  Reston, VA  United States  20191-4400
• Authors:
  • Park, B Brian
  • Myzie, Curtis
  • Agbolosu-Amison, Seli James
• Conference:
  • Applications of Advanced Technology in Transportation. The Ninth International Conference
  • Location: Chicago Illinois, United States
  • Date: 2006-8-13 to 2006-7-16
• Publication Date: 2006

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 617-622
• Monograph Title: Applications of Advanced Technology in Transportation. Proceedings of the Ninth International Conference

Subject/Index Terms

• TRT Terms: Actuated traffic signal controllers; Arterial highways; Cost effectiveness; Green interval; Traffic; Traffic congestion; Traffic control; Traffic control centers; Traffic control devices; Traffic flow; Traffic signal control systems; Urban areas; Urban highways
• Uncontrolled Terms: Fixed point; Gap spacing; Traffic gaps
• Subject Areas: Highways; Operations and Traffic Management; Planning and Forecasting; I72: Traffic and Transport Planning; I73: Traffic Control;

Filing Info

• Accession Number: 01038624
• Record Type: Publication
• ISBN: 0784407991
• Files: TRIS
• Created Date: Dec 29 2006 11:07AM