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Dynamic Traffic Network Model and Time-Dependent Braess’ Paradox

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  • Chunxue Zhao

Abstract

We propose a dynamic traffic network model and give the equilibrium condition and the equivalent variational inequality of the network. In this model, instead of the influence of inflow rate and output rate on the link congestion, the influence of the adjacent links at the same paths is considered; in this case, the equivalence between the equilibrium condition and the variational inequality is proved. Then we take an example about the paradox using the variational inequality and find that the probability and the severity that Braess’ paradox occurs change with the influence of other links changing. Subsequently, we discuss the influence of other links on whether the adding link works under the dynamic system optimal. At last, we give the relationship between the total congestion under dynamic user equilibrium and that under dynamic system optimal. The results imply that we should take some methods and adjust the interaction between links rationally with the dynamic change of traffic situations.

Suggested Citation

  • Chunxue Zhao, 2014. "Dynamic Traffic Network Model and Time-Dependent Braess’ Paradox," Discrete Dynamics in Nature and Society, Hindawi, vol. 2014, pages 1-7, November.
    • Handle: RePEc:hin:jnddns:802129
    DOI: 10.1155/2014/802129
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    Cited by:

    1. Zhaolin Cheng & Laijun Zhao & Huiyong Li, 2020. "A Transportation Network Paradox: Consideration of Travel Time and Health Damage due to Pollution," Sustainability, MDPI, vol. 12(19), pages 1-22, October.

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