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On-line Traffic Signal Control Scheme with Real-time Delay Estimation Technology

Author

Listed:
  • Liu, Henry X.
  • Oh, Jun S.
  • Oh, Seri
  • Chu, Liany
  • Recker, Will

Abstract

This paper presents an on-line signal control scheme integrated with the real-time intersection delay estimation technology. The primary goal of this study is to design a complementary optimization module to the existing controller to minimize the total delay experienced by traffic and improve the system performance at the signalized intersections. This paper proposes a feedback control algorithm that optimizes the signal timing plan based on delay estimated via vehicle re-identification technology. Main thrust of the algorithm is on-line control capability utilizing direct delay measures. A description of overall signal control system architecture and optimization algorithm is given in this paper. Extensive simulation experiments are preformed with a high-performance microscopic traffic simulation program, Paramics, and the preliminary results have proved the promising properties of our proposed system.

Suggested Citation

  • Liu, Henry X. & Oh, Jun S. & Oh, Seri & Chu, Liany & Recker, Will, 2001. "On-line Traffic Signal Control Scheme with Real-time Delay Estimation Technology," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt9n6948x2, Institute of Transportation Studies, UC Berkeley.
    • Handle: RePEc:cdl:itsrrp:qt9n6948x2
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