How a fast lane may replace a congestion toll

Mogens Fosgerau

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    Abstract

    This paper considers a congested bottleneck. A fast lane reserves a more than proportional share of capacity to a designated group of travellers. Travellers are otherwise identical and other travellers can use the reserved capacity when it would otherwise be idle. The paper shows that such a fast lane is always Pareto improving under Nash equilibrium in arrival times at the bottleneck and inelastic demand. It can replicate the arrival schedule and queueing outcomes of a toll that optimally charges a constant toll during part of the demand peak. Within some bounds, the fast lane scheme is still welfare improving when demand is elastic.
    Original languageEnglish
    Place of PublicationKgs.Lyngby
    PublisherDTU Transport
    Number of pages15
    Publication statusPublished - 2011

    Bibliographical note

    This research is supported by the Danish Soci. Science Res. Council. In add., support is gratefully acknowledged from PREDIT and ADEME grants to project "Tarification des Transports Individuels et Collectifs à Paris: Dynamique de l'acceptabilité". The opinions and conclusions expressed in this paper are those of the authors and do not necessarily represent those of the Mini. de l'Ecol., de l'Energie, du Dévelop. durable et de la Mer. This paper has been screened to make sure that no confidential information has been disclosed by the authors.

    Keywords

    • Fast lane
    • Scheduling
    • Tolling
    • Bottleneck
    • Congestion

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