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| Signal Optimization Method of Crosswalks between Coordinated Intersections |
| QU Zhao-Wei-1, LU Ting-1, WANG Dian-Hai-1, 2 , GUO Wei-Wei-1, SUN Di-1 |
| (1. College of Transportation, Jilin University, Changchun 130022, China;2. College of Construction, Zhejiang University, Hangzhou 310058, China) |
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Abstract This paper proposed the traffic signal optimization method for the midblock street crosswalk between coordinated adjacent intersections which introducing the pedestrian waiting tolerance limit time as one of the constraints of the signal timing optimization. The method takes the common red time of the two intersections as the crosswalk’s green time at first. If the common red time is not sufficient for the pedestrian crossing safely, it builds delay functions by using of motorcade dispersion and traffic flow rate relationship, and works out timing optimization parameter whose objective is to minimize the total vehicle delay. The result shows that this method may ensure the pedestrian crossing safety and reduce the pedestrian delay.
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Received: 10 October 2010
Published: 30 May 2011
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