Effects of Bottlenecks on Vehicle Traffic

Details Effects of Bottlenecks on Vehicle Traffic Effects of Bottlenecks on Vehicle Traffic

2006-04-10

arxiv.org/abs/physics/0604072v3

J. Phys. Soc. Jpn. 75 (2006) 114601

Physics

Physics and Society

11pages; Small changes were made/ This paper was accepted by J. Phys. Soc. Jpn

Scientific paper

10.1143/JPSJ.75.114601

Traffic congestion is usually observed at the upper streams of bottlenecks such as tunnels. Congestion appears as stop-and-go waves and high density uniform flow. We perform simulations of traffic flow with a bottleneck using the coupled map optimal velocity model. The bottleneck is expressed as a road segment with speed reduction. The speed reduction in the bottleneck controls the emergence of stop-and-go waves. A phenomenological theory of bottleneck effects is constructed.

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