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Microscopic Simulation of Congested Traffic

In: Traffic and Granular Flow ’99

Author

Listed:
  • 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
    Collegium Budafest — Institute for Advanced Study)

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.

Suggested Citation

  • M. Treiber & A. Hennecke & D. Helbing, 2000. "Microscopic Simulation of Congested Traffic," Springer Books, in: Dirk Helbing & Hans J. Herrmann & Michael Schreckenberg & Dietrich E. Wolf (ed.), Traffic and Granular Flow ’99, pages 365-376, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-59751-0_36
    DOI: 10.1007/978-3-642-59751-0_36
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