Optimal locations and travel time display for variable message signs

Optimal locations and travel time display for variable message signs
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可变信息标志的最佳位置和行程时间显示

DOI:
10.1016/j.trc.2016.06.016
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发表时间:
2016-08-01
影响因子:
8.3
通讯作者:
Jiang, Han
Jiang, Han
中科院分区:
工程技术1区
文献类型:
--
作者:
Li, Meng;Lin, Xi;Jiang, Han

文献摘要

被引文献

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本文首先建立了一个网络均衡模型,行程时间信息通过可变信息标志(VMS)显示。具体而言,该均衡考虑了在经常性拥挤情况下显示的出行时间信息对出行者路径选择的影响,并考虑了出行者对显示信息的内生利用率。证明了平衡点的存在性,并给出了迭代求解的方法。然后,我们进行了网络均衡的敏感性分析,并进一步提出了一个悖论,即,通过VMS向旅行者提供旅行时间信息可能在某些不良设计下降低网络性能。因此,我们调查的VMS的位置和行程时间显示在给定的预算内的设计问题,并制定它作为一个混合整数非线性规划,解决了一个有效集算法。最后,通过数值算例对VMS的平衡结果和优化设计进行了分析。(C)2016爱思唯尔有限公司版权所有。
This paper first develops a network equilibrium model with the travel time information displayed via variable message signs (VMS). Specifically, the equilibrium considers the impact of the displayed travel time information on travelers' route choices under the recurrent congestion, with the endogenous utilization rates of displayed information by travelers. The existence of the equilibrium is proved and an iterative solution procedure is provided. Then, we conduct the sensitivity analyses of the network equilibrium and further propose a paradox, i.e., providing travel time information via VMS to travelers may degrade the network performance under some poor designs. Therefore, we investigate the problem of designing the VMS locations and travel time display within a given budget, and formulate it as a mixed integer nonlinear program, solved by an active-set algorithm. Lastly, numerical examples are presented to offer insights on the equilibrium results and optimal designs of VMS. (C) 2016 Elsevier Ltd. All rights reserved.