The implementation of the "vehicle-to-pedestrian" policy has greatly reduced the capacity of roads, especially in the two-phase signal intersections without dedicated phase of right turn, By using the parking line method, acceptable gap theory, and video survey, the capacity of the intersection of Yanta North Road and Jianshe West Road in Xi'an City is analyzed quantitatively. A simulation of VISSIM is carried out by changing the pedestrian traffic volume, using queue length, and the number of stops as evaluation indexes. The results show that the traffic volume of pedestrian has a significant impact on the traffic capacity of right turning motor vehicles. The research results can provide relevant ideas and theoretical basis for the improvement of signal intersections.
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