Traffic bottleneck characteristics caused by the reduction of lanes in an optimal velocity model

Jian Zhang, Xiling Li, Rui Wang, Xiaosi Sun and Xiaochao Cui

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 7, 2381-2389

Abstract: In this paper, the lane reduction bottleneck is investigated using the optimal velocity model, in which two kinds of vehicles (fast and slow) are introduced. The asymmetric lane changing rules in the slowdown section and the lane squeezing behaviors at the bottleneck are taken into account. Under the periodic boundary condition, the numerical simulations are performed. The traffic states change with increasing density. And an interesting phenomenon of ratio inversion appears. When the current saturates, the headway and velocity discontinuously vary with the position. In addition, traffic patterns and the phase transition points depend greatly on the speed limit and the length of the slowdown section.

Keywords: Lane reduction; Optimal velocity model; Traffic phase transition; Traffic flow (search for similar items in EconPapers)
Date: 2012
References: View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:7:p:2381-2389

DOI: 10.1016/j.physa.2011.11.045

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