Urban traffic from the perspective of dual graph

M.-B. Hu (), R. Jiang, Y.-H. Wu, W.-X. Wang and Q.-S. Wu

The European Physical Journal B: Condensed Matter and Complex Systems, 2008, vol. 63, issue 1, 127-133

Abstract: Urban traffic is modeled using a dual graph representation of the urban transport network, where roads are mapped to nodes and intersections are mapped to links. The proposed model considers both the navigation of the vehicles in the network and the motion of the vehicles along roads. The vehicle-holding ability of roads and the vehicle-turning ability at intersections are also incorporated. The overall handling ability of the system can be quantified by a phase transition from free flow to congestion. Simulations show that the system's handling ability greatly depends on the topology of the transportation network. In general, a well-planned grid can hold more vehicles, and its overall handling ability is much greater than that of a growing self-organized network. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Keywords: 45.70.Vn Granular models of complex systems; traffic flow, 89.75.Hc Networks and genealogical trees, 05.70.Fh Phase transitions: general studies, (search for similar items in EconPapers)
Date: 2008
References: View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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DOI: 10.1140/epjb/e2008-00219-5

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