This study takes the features of mixed traffic flow of China into consideration and puts forward a signal timing method based on the notion of human orientation. Since the object function of this method regards the effect of average passenger delay and the number of average on-board passengers of different traffic modes, the minimum average people delay (APD) was set as optimization objective and the shortest green time was used as constraint function. Besides, the green split in our method is determined by a new parameter PPF, which is the product of the passenger volume rate and flow ratio. A set of solution method was also established to set up the signal timing model. Finally, a typical intersection in Nanjing City was calculated in this new method. The comparison results of this new method to the current field data indicate that the average people delay can be reduced using the signal timing method proposed in this article.
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