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

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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. (C) 2016 Elsevier B.V. All rights reserved
Publisher
ELSEVIER SCIENCE BV
Issue Date
2016-06
Language
English
Article Type
Article
Keywords

PHASE-DIAGRAMS; UNSIGNALIZED INTERSECTION; PEDESTRIAN DYNAMICS; SELF-ORGANIZATION; FORCE MODEL; FLOW; TRANSITION; LIGHTS

Citation

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, v.451, pp.578 - 591

ISSN
0378-4371
DOI
10.1016/j.physa.2015.12.165
URI
http://hdl.handle.net/10203/208994
Appears in Collection
PH-Journal Papers(저널논문)
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