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Traffic Flow in Bogotá

In: Traffic and Granular Flow’05

Author

Listed:
  • Luis Olmos

    (Universidad Nacional de Colombia)

  • José Daniel Muñoz

    (Universidad Nacional de Colombia)

Abstract

Summary We introduce cellular automaton models for both cars alone [1] and mixed traffic (cars and buses) on motorways in Bogotá. Our model includes three elements: hysteresis between acceleration and braking gaps, a delay time in the acceleration, and instantaneous braking. In addition, we include a lane changing rule and the disordered behavior of Bogotan bus drivers. The parameters of our model were obtained from direct measurements on a car and a bus in this city. We use this model to simulate the flux-density fundamental diagram for a singlelane road with car traffic and a two-lane road with mixed traffic, and compare the results with experimental data. Our simulations are in very good agreement with experimental measurements, and reproduce both the shape and the value of the maximal flux. Moreover, they show that the causes of the measured high fluxes are the short gaps that the Bogotan drivers are used to maintain to the car ahead (the agressive driving that is typical for this city).

Suggested Citation

  • Luis Olmos & José Daniel Muñoz, 2007. "Traffic Flow in Bogotá," Springer Books, in: Andreas Schadschneider & Thorsten Pöschel & Reinhart Kühne & Michael Schreckenberg & Dietrich E. Wol (ed.), Traffic and Granular Flow’05, pages 403-409, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-47641-2_36
    DOI: 10.1007/978-3-540-47641-2_36
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