吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (1): 89-96.doi: 10.13229/j.cnki.jdxbgxb201501014

• Orignal Article • Previous Articles     Next Articles

Impact and feasibility of charging taxis in pricing zone

ZHU Jin-cheng, XIAO Feng, SHUAI Bin, LIU Xiao-bo   

  1. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610031, China
  • Received:2013-05-15 Online:2015-02-01 Published:2015-02-01

Abstract: A multi-mode choice model is proposed to effectively investigate the impact and feasibility of charging taxis with link-based toll in the pricing zone in designing congestion pricing scheme. The model is developed as a bi-level programming problem. The lower-level is formulated as a variational inequality, with the logit-based mode split, route choice, elastic demand and vacant taxi distributions. The upper-level is for social welfare maximization. An efficient algorithm is implemented to solve this specific problem. The numerical experiment indicates that whether to charge the taxis relies on the operation cost ratio of private car to taxi. The threshold of the ratio is 5.6 (which can hardly be reached in real world) in the numerical experiment based on realistic data settings. If the ratio is lower than the threshold, charging taxis always outweighs exempting them from the toll in terms of the maximum social welfare.

Key words: traffic and transportation engineering, congestion pricing, taxi, social optimum, variational inequality

CLC Number: 

  • U491
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