Microscopic Simulation of Congested Traffic

M. Treiber, A. Hennecke and D. Helbing
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M. Treiber: University of Stuttgart, II. Institute of Theoretical Physics
A. Hennecke: University of Stuttgart, II. Institute of Theoretical Physics
D. Helbing: University of Stuttgart, II. Institute of Theoretical Physics

A chapter in Traffic and Granular Flow ’99, 2000, pp 365-376 from Springer

Abstract: Abstract We present simulations of congested traffic in open systems with a new carfollowing model. The model parameters are all intuitive and can be easily calibrated. Microsimulations with identical vehicles on a single lane produce the same traffic states as recent macrosimulations of open systems with on-ramps, which also qualitatively agree with real traffic data. The phase diagram in the phase space spanned by the traffic flow and the bottleneck strength is nearly equivalent to the macroscopic phase diagram. In agreement with macroscopic models, we found hysteresis, coexistent states, and a small region of tristability. We simulated the process of obtaining time-averaged traffic data by “virtual detectors”. While for identical vehicles, the resulting flow-density data do not look very realistic, microsimulations of heterogeneous (multi-species) traffic offer a natural explanation of the observed wide scattering of congested traffic data.

Keywords: Traffic Flow; Traffic State; Congested Traffic; Macroscopic Model; Identical Vehicle (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-59751-0_36

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DOI: 10.1007/978-3-642-59751-0_36

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