Multiple-vehicle collision in traffic flow by a sudden slowdown

Naoki Sugiyama and Takashi Nagatani

Physica A: Statistical Mechanics and its Applications, 2013, vol. 392, issue 8, 1848-1857

Abstract: We study the multiple-vehicle collision when a vehicle decelerates suddenly in a single-lane traffic flow. The extended optimal velocity model is used for the vehicular motion to take into account the relative velocity. If a vehicle slows down suddenly and the following vehicle does not decelerate successfully, it crashes into the vehicle ahead with a residual speed and the crash may induce more collisions. The number of crumpled vehicles depends on the initial headway, the sensitivity, the initial velocity, and the relative velocity. We derive the region map (phase diagram) for the multiple-vehicle collision. The dependence of the multiple-vehicle collision on the density, sensitivity, and relative velocity is shown.

Keywords: Self-driven many-particle system; Vehicular dynamics; Collision; Safety; Phase diagram (search for similar items in EconPapers)
Date: 2013
References: View complete reference list from CitEc
Citations: View citations in EconPapers (22)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:392:y:2013:i:8:p:1848-1857

DOI: 10.1016/j.physa.2013.01.009

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