Marginal Congestion Cost on a Dynamic Expressway Network

Mogens Fosgerau, Kenneth A. Small

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We formulate an empirical model of congestion for a series of sequential expressway links where queues may form and spill back. Its purpose is to disentangle the dynamic effect that a marginal vehicle has on the distribution of travel times experienced there and on connected links. We estimate a dynamic econometric model using unusually complete and accurate data from Danish motorways. We use the results to estimate the marginal external cost of adding a vehicle to a link's entry flow, finding it is highly influenced by the dynamic properties of the system of relationships between travel times and flows.
    Original languageEnglish
    JournalJournal of Transport Economics and Policy
    Volume46
    Pages (from-to)431-450
    ISSN0022-5258
    Publication statusPublished - 2012

    Keywords

    • ECONOMICS
    • TRANSPORTATION
    • PHASE-TRANSITIONS
    • HYPERCONGESTION
    • MODEL

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