Multi-Path OD-Matrix Estimation (MPME) based on Stochastic User Equilibrium Traffic Assignment

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    Abstract

    Most conventional methods for estimating trip matrices from traffic counts assume either that the counts are error-free, determin-istic variables or they use a simplified traffic assignment model. Without these assumptions, the methods often demand prohibitive calculation times. The paper presents a matrix-estimation method, 'Multiple Path Matrix Estimation' (MPME), that is able to handle traffic counts with inconsistencies and uncertainties. In addition, the matrix reflects the route choice patterns given by traffic assignment models following the Method of Successive Averages (MSA). Actually, the method builds to a large extent on the concept of MSA. It is most promising to base MPME on the principle of Stochastic User Equilibrium (SUE) route choice. MPME has been tested and used successfully in several full-size cases (from small cities with 25,000 inhabitants to metropolitan areas with 5 million inhabitants). In all cases, the method gave lower deviations between traffic counts and estimated traffic than other tested methods. The method converged smoothly within calculation times of a few hours.
    Original languageEnglish
    Title of host publicationMulti-Path OD-Matrix Estimation (MPME) based on Stochastic User Equilibrium Traffic Assignment
    Publication date1997
    Publication statusPublished - 1997
    EventTransportation Research Board 76th Annual Meeting - Washington DC., United States
    Duration: 13 Jan 199715 Jan 1997
    Conference number: 76

    Conference

    ConferenceTransportation Research Board 76th Annual Meeting
    Number76
    CountryUnited States
    CityWashington DC.
    Period13/01/199715/01/1997

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