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Emergent Hypercongestion in Vickrey Bottleneck Networks

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    October 08, 2020
    14:00 - 14:40

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 behaviour on a network, even if the underlying link dynamics (we consider Vickrey bottlenecks with spaceless vertical queues) do not exhibit hypercongestion. Joint paper with Neil Olver and Erik Verhoef.


Dario Frascaria is a PhD candidate at the department of Econometrics/OR of the Vrije Universiteit Amsterdam.