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Flow-Density Relations for Pedestrian Traffic

In: Traffic and Granular Flow’05

Author

Listed:
  • Winnie Daamen

    (Delft University of Technology)

  • Serge P. Hoogendoorn

    (Delft University of Technology)

Abstract

Summary This paper discusses the validity of first-order traffic flow theory to describe two-dimensional pedestrian flow operations in case of an oversaturated bottleneck upstream of which a large high-density region has formed. Pedestrians passing the same cross-section inside of the congested region appear to encounter different flow conditions. In the lateral center, high densities and low speeds are observed. However, on the boundary of the congested region, pedestrians may walk in nearly free flow conditions. Visualising pedestrian flow data in the flow-density plane results in a large scatter of points having similar flows (bottleneck capacity), but different densities. Observations on congestion of pedestrian traffic over the total width of the cross-section are found to belong to a set of different fundamental diagrams instead of a single one. This has consequences for the estimation of the fundamental diagram describing pedestrian traffic.

Suggested Citation

  • Winnie Daamen & Serge P. Hoogendoorn, 2007. "Flow-Density Relations for Pedestrian Traffic," Springer Books, in: Andreas Schadschneider & Thorsten Pöschel & Reinhart Kühne & Michael Schreckenberg & Dietrich E. Wol (ed.), Traffic and Granular Flow’05, pages 315-322, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-47641-2_27
    DOI: 10.1007/978-3-540-47641-2_27
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