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Cellular Automata Models of Traffic Behavior in Presence of Speed Breaking Structures

Ramachandran, Parthasarathy (2009) Cellular Automata Models of Traffic Behavior in Presence of Speed Breaking Structures. In: Communications in theoretical physics, 52 (4). pp. 646-652.

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Official URL: http://www.iop.org/EJ/abstract/0253-6102/52/4/19

Abstract

In this article, we study traffic flow in the presence of speed breaking structures. The speed breakers are typically used to reduce the local speed of vehicles near certain institutions such as schools and hospitals. Through a cellular automata model we study the impact of such structures on global traffic characteristics. The simulation results indicate that the presence of speed breakers could reduce the global flow under moderate global densities. However, under low and high global density traffic regime the presence of speed breakers does not have an impact on the global flow. Further the speed limit enforced by the speed breaker creates a phase distinction. For a given global density and slowdown probability, as the speed limit enforced by the speed breaker increases, the traffic moves from the reduced flow phase to maximum flow phase. This underlines the importance of proper design of these structures to avoid undesired flow restrictions.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Institute Of Physics.
Keywords: cellular automata; traffic flow model; simulation; speed breakers
Department/Centre: Others
Date Deposited: 08 Dec 2009 08:49
Last Modified: 19 Sep 2010 05:52
URI: http://eprints.iisc.ernet.in/id/eprint/24962

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