Development of an Optimization Traffic Signal Cycle Length Model for Signalized Intersections in China

Yao Wu, Jian Lu, Hong Chen and Haifei Yang

Mathematical Problems in Engineering, 2015, vol. 2015, 1-9

Abstract:

The primary objective of this study is to develop an optimization traffic signal cycle length model for signalized intersections. Traffic data were collected from 50 signalized intersections in Xi’an city. Using comprehensive delay data, the optimization cycle length model is re-recalibrated to the Chinese traffic conditions based on the Webster delay model. The result showed that the optimization cycle length model takes vehicle delay time, pedestrian crossing time, and drivers’ anxiety into consideration. To evaluate the effects of the optimization cycle length model, three intersections were selected for a simulation. The delay time and queue length based on the optimization cycle length model and the TRRL model were compared. It was found that the delay times and queue lengths with the optimization cycle length model were significantly smaller than those with the TRRL model. The results suggested that the optimization traffic signal cycle length model was more optimal than the TRRL model.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:954295

DOI: 10.1155/2015/954295

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