The vehicle length effect on the traffic flow fundamental diagram

W. Marques, A.R. Méndez and R.M. Velasco

Physica A: Statistical Mechanics and its Applications, 2021, vol. 570, issue C

Abstract: Recent applications of a new methodology to measure fundamental traffic relations on freeways shows that many critical parameters of the flow-density and speed-spacing diagrams depend on vehicle length. In response to this fact, this work presents a generalization of the Prigogine–Herman traffic equation for aggressive drivers which takes into account the fact that vehicles are not point-like objects but have an effective length. Our approach is similar to that introduced by Enskog for dense gases and provides the construction of fundamental diagrams which are in excellent agreement with empirical traffic data.

Keywords: Traffic flow; Fundamental diagram; Kinetic theory (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:570:y:2021:i:c:s0378437121000571

DOI: 10.1016/j.physa.2021.125785

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