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Flow improvement caused by agents who ignore traffic rules
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
Gyeonggi Science High School.
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2009 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, ISSN 1063-651X, E-ISSN 1095-3787, 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 ($q=1/2$). The traffic flow, resulting from the interaction between these two types of agents, 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 smallfraction 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]
traffic rule, coordination game, jamming
National Category
Other Physics Topics
Research subject
Theoretical Physics
Identifiers
URN: urn:nbn:se:umu:diva-27689DOI: 10.1103/PhysRevE.80.016111OAI: oai:DiVA.org:umu-27689DiVA: diva2:277102
Available from: 2009-11-23 Created: 2009-11-16 Last updated: 2017-12-12Bibliographically approved

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Baek, Seung KiMinnhagen, PetterBernhardsson, Sebastian
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