A parsimonious model for the formation of oscillations in car-following models

Jorge A. Laval, Christopher S. Toth and Yi Zhou

Transportation Research Part B: Methodological, 2014, vol. 70, issue C, 228-238

Abstract: This paper shows that the formation and propagation of traffic oscillations in the absence of lane changes can be explained by the stochastic nature of drivers’ acceleration processes. By adding a white noise to drivers’ desired acceleration in free-flow, oscillations are produced that accord well with observation. This theory suggests that driver error is a function of roadway geometry, that it determines the average speed at the bottleneck, as well as oscillation period and amplitude. The model has been implemented with a single additional parameter compared to the kinematic wave model with bounded accelerations.

Keywords: Traffic flow; Oscillations; Stochastic driver behavior (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (33)

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DOI: 10.1016/j.trb.2014.09.004

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