COMPLEXITY IN A CRITICAL TRAFFIC FLOW

Satoshi Yukawa () and Macoto Kikuchi ()
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Satoshi Yukawa: Department of Applied Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
Macoto Kikuchi: Department of Physics, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

International Journal of Modern Physics C (IJMPC), 2000, vol. 11, issue 02, 221-231

Abstract: The traffic flow near the jamming transition is numerically studied by computer simulations of a coupled-map model. Just above the transition, a variety of velocities with which the traffic jams propagate are observed. The entropy of the traffic flow becomes maximum at the same time. Moreover, the current-concentration relation obtained bylocalmeasurements shows clear double-valued behavior near the critical concentration. From these properties, the traffic flow can be said as maximally complex near the critical concentration.

Keywords: Traffic Flow; Coupled-Map Modeling; Entropy (search for similar items in EconPapers)
Date: 2000
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DOI: 10.1142/S0129183100000213

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