Emergent hypercongestion in Vickrey bottleneck networks

Dario Frascaria, Neil Olver and Erik Verhoef

Transportation Research Part B: Methodological, 2020, vol. 139, issue C, 523-538

Abstract: Hypercongestion—the phenomenon that higher traffic densities can reduce throughput—is well understood at the link level, but has also been observed in a macroscopic form at the level of traffic networks; for instance, in morning rush-hour traffic into a downtown core. In this paper, we show that macroscopic hypercongestion can occur as a purely emergent effect of dynamic equilibrium behavior on a network, even if the underlying link dynamics (we consider Vickrey bottlenecks with spaceless vertical queues) do not exhibit hypercongestion.

Keywords: Hypercongestion; Vickrey bottlenecks; Spaceless vertical queues; Arbitrary networks; Homogeneous users; Optimal (first-best) pricing (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1016/j.trb.2020.07.010

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