CONGESTION AND EFFICIENCY IN COMPLEX TRAFFIC NETWORKS

Jian-Feng Zheng (), Zhi-Hong Zhu, Hao-Ming Du and Zi-You Gao
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Jian-Feng Zheng: MOE Key Laboratory for Urban Transportation, Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing, 100044, P. R. China;
Zhi-Hong Zhu: Institute of System Science, School of Traffic and Transportation, Beijing Jiaotong University, Beijing, 100044, P. R. China
Hao-Ming Du: Institute of System Science, School of Traffic and Transportation, Beijing Jiaotong University, Beijing, 100044, P. R. China
Zi-You Gao: MOE Key Laboratory for Urban Transportation, Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing, 100044, P. R. China;

International Journal of Modern Physics C (IJMPC), 2013, vol. 24, issue 10, 1-12

Abstract: This paper investigates the degree of congestion and efficiency in complex traffic networks, by introducing congestion effects, which can be described by flow-based link cost functions. Different network topologies including random networks, small-world networks and scale-free networks are explored. The impact of different distributions of capacity and origin-destination traffic demand on the degree of congestion and efficiency in complex networks is mainly studied. A phase transition from free flow state to traffic jams can be uncovered. The relationship between congestion and efficiency in complex networks is also discussed.

Keywords: Complex networks; congestion; efficiency; 89.75.-k; 02.60.-x (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (3)

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DOI: 10.1142/S0129183113500721

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