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Flow improvement caused by agents who ignore traffic rules
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2009 (English)In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, Vol. 80, no 1, 016111- p.Article in journal (Refereed) Published
Abstract [en]

A system of agents moving along a road in both directions is studied numerically within a cellular-automata formulation. An agent steps to the right with probability q or to the left with 1-q when encountering other agents. Our model is restricted to two agent types, traffic-rule abiders (q=1) and traffic-rule ignorers (q=1/2), and the traffic flow, resulting from the interaction between these two types of agents, which is obtained as a function of density and relative fraction. The risk for jamming at a fixed density, when starting from a disordered situation, is smaller when every agent abides by a traffic rule than when all agents ignore the rule. Nevertheless, the absolute minimum occurs when a small fraction of ignorers are present within a majority of abiders. The characteristic features for the spatial structure of the flow pattern are obtained and discussed.

Place, publisher, year, edition, pages
2009. Vol. 80, no 1, 016111- p.
Keyword [en]
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Engineering and Technology
URN: urn:nbn:se:kth:diva-32318DOI: 10.1103/PhysRevE.80.016111ISI: 000268616500023ScopusID: 2-s2.0-68949093621OAI: diva2:410013
Swedish Research Council, 621-2002-4135
QC 20110412Available from: 2011-04-12 Created: 2011-04-12 Last updated: 2011-04-12Bibliographically approved

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Minnhagen, PetterKim, Beom Jun
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