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Vehicle Delay Estimation for an Isolated Intersection under Actuated Signal Control

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  • Shumin Feng
  • Yusheng Ci
  • Lina Wu
  • Fenglin Zhang

Abstract

Vehicle delay at an actuated signal control (ASC) intersection is analyzed and computed with the aim of reflecting the effects of ASC and optimizing its parameters. The operation characteristics of traffic flows at the intersections serve as the foundation to present the mechanism of vehicle delay under the ASC; given that the arrival of vehicles obeys the Poisson distribution, probability algorithms of vehicle delay are put forward under the semi-ASC and fully ASC depending on discretization of green time. Computation process is illustrated by case study and CORSIM simulation experiments. Finally, the primary results indicate that the appropriate control modes can decrease vehicle delay, which is significantly affected by unit extension. Hopefully, the study will provide useful information for selecting different ASC modes and optimizing signal control parameters.

Suggested Citation

  • Shumin Feng & Yusheng Ci & Lina Wu & Fenglin Zhang, 2014. "Vehicle Delay Estimation for an Isolated Intersection under Actuated Signal Control," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-7, July.
    • Handle: RePEc:hin:jnlmpe:356707
    DOI: 10.1155/2014/356707
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