Travel time variability has recently become an important measure in transportation system management and has begun to be treated as a major factor influencing travel decisions. The main purpose of this study is to develop a database to help understand traffic variability of point measures and route-level measures by incorporating existing traffic surveillance systems. This study develops an integrated geographic information system database for traffic analysis in Orange County, California, and reports temporal and spatial traffic variability as measures of travel reliability. The database is to provide the analysis framework to study travel time variability at both the section level and the route level. In many cases, traffic data are used for traffic operations without the data being stored. The archived traffic data can play an important role as a way of measuring freeway performance. Such historic data make it possible to analyze such travel time variability from a long-term perspective. The database developed in this study is expected to help researchers and practitioners understand travel time variability as a measure of transportation system reliability by providing the analysis framework.


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    Titel :

    Calculation of Travel Time Variability from Loop Detector Data


    Weitere Titelangaben:

    Transportation Research Record


    Beteiligte:
    Oh, Jun-Seok (Autor:in) / Chung, Younshik (Autor:in)


    Erscheinungsdatum :

    2006-01-01




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Calculation of Travel Time Variability from Loop Detector Data

    Oh, J.-S. / Chung, Y. / National Research Council (U.S.) | British Library Conference Proceedings | 2006


    Calculation of Travel Time Variability from Loop Detector Data

    Oh, Jun-Seok / Chung, Younshik | Transportation Research Record | 2006



    Day-to-Day Travel-Time Trends and Travel-Time Prediction from Loop-Detector Data

    Kwon, Jaimyoung / Coifman, Benjamin / Bickel, Peter | Transportation Research Record | 2000


    Day-to-Day Travel-Time Trends and Travel-Time Prediction from Loop-Detector Data

    Kwon, J. / Coifman, B. / Bickel, P. et al. | British Library Conference Proceedings | 2000