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Optimization strategy for and structural properties of traffic efficiency under bounded information accessibility

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  • Sanghyun, Ahn
  • Seungwoong, Ha
  • Kim, Soo Yong

Abstract

A vital challenge for many socioeconomic systems is determining the optimum use of limited information. Traffic systems, wherein the range of resources is limited, are a particularly good example of this challenge. Based on bounded information accessibility in terms of, for example, high costs or technical limitations, we develop a new optimization strategy to improve the efficiency of a traffic system with signals and intersections. Numerous studies, including the study by Chowdery and Schadschneider (whose method we denote by ChSch), have attempted to achieve the maximum vehicle speed or the minimum wait time for a given traffic condition. In this paper, we introduce a modified version of ChSch with an independently functioning, decentralized control system. With the new model, we determine the optimization strategy under bounded information accessibility, which proves the existence of an optimal point for phase transitions in the system. The paper also provides insight that can be applied by traffic engineers to create more efficient traffic systems by analyzing the area and symmetry of local sites. We support our results with a statistical analysis using empirical traffic data from Seoul, Korea.

Suggested Citation

  • Sanghyun, Ahn & Seungwoong, Ha & Kim, Soo Yong, 2016. "Optimization strategy for and structural properties of traffic efficiency under bounded information accessibility," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 451(C), pages 578-591.
    • Handle: RePEc:eee:phsmap:v:451:y:2016:i:c:p:578-591
    DOI: 10.1016/j.physa.2015.12.165
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    References listed on IDEAS

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