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Phys. Rev. E 51, 772–774 (1995)

Two-dimensional traffic flow problems with faulty traffic lights

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K. H. Chung and P. M. Hui
Department of Physics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong

G. Q. Gu
Center of Theoretical Physics, Chinese Center for Advanced Science Technology (World Laboratory), Beijing, China
School of Systems Science and Systems Engineering, East China University of Technology, Shanghai, China

Received 6 September 1994; published in the issue dated January 1995

A cellular automaton model is presented to simulate a traffic jam in a two-dimensional traffic flow with faulty traffic lights. The model is studied by computer simulations. Results show that at low car densities, faulty traffic lights speed up the overall traffic. However, the critical car density at which a serious traffic jam occurs decreases as the concentration of faulty traffic lights increases.

© 1995 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.51.772
DOI:
10.1103/PhysRevE.51.772
PACS:
64.60.Ak, 05.70.Jk, 89.40.+k, 89.50.+r
 
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