Inefficiency of Mixed Traffic Equilibrium with Elastic Demand under ATIS

被引：0
|
作者：
Yu X.-J. [1 ]
Liu Z.-Z. [1 ]
Shu Y.-D. [1 ]
机构：
[1] School of Mathematics and Statistics, Guizhou University of Finance and Economics, Guiyang
来源：
Yu, Xiao-Jun (xjyu-myu@163.com) | 1600年 / Science Press卷 / 20期
基金：
中国国家自然科学基金;
关键词：
Advanced Traveler Information Systems (ATIS); Elastic demand; Inefficiency; Mixed traffic equilibrium assignment; Urban traffic; Variational inequality;
D O I：
10.16097/j.cnki.1009-6744.2020.03.019
中图分类号：
学科分类号：
摘要：
A transportation network is associated with the selfish users and the users with Advanced Traveler Information Systems (ATIS). The selfish users select their routes comply with user equilibrium principle and try to minimize their own travel cost. The users with ATIS select their routes comply with system optimum principle and advice to minimize the total travel cost in the system. This paper investigates the inefficiency of the mixed traffic equilibrium assignment with elastic demand under ATIS and based on the user's heterogeneities on different route choice principles. A variational inequality model for the mixed traffic equilibrium assignment is proposed and the upper bound of the inefficiency derived. The results show that the upper bound of the inefficiency depends on the ratio of user benefit and the total social surplus at traffic equilibrium assignment state. It also depends on the ratio of link flow by users with ATIS and the total link flow at traffic equilibrium assignment state. Copyright © 2020 by Science Press.
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页码：125 / 129and155
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