This two-volume summary report presents an overview of the level of traveler usage (e.g., how many vehicles use the freeways) and travel performance (e.g., how fast they are traveling, where and how often congestion occurs) on the principal urban freeways in the central Puget Sound area. Volume 1 focuses on descriptive snapshots of 1999 freeway usage and performance, while Volume 2 provides a comparative analysis, looking at trends and variations in the usage and performance of the highway network as a function of different background conditions at selected locations. Data presented in this report were collected by the Washington State Department of Transportations (WSDOTs) freeway surveillance system. The project that led to this report is intended to meet two separate purposes: (1) to enhance WSDOTs ability to monitor and improve its traffic management efforts on Seattle-area highways, and (2) to provide useful information to the public and decision makers about the status of the freeway systems operational performance. This report is primarily intended to meet the second of these objectives. However, the software developed for this project and many of the graphics presented in this report are directly applicable to the first objective. This report is one of three products resulting from this WSDOT project. In addition to this report, this project produced a set of software tools to assist in freeway data analysis, as well as a technical report describing the evaluation approach, process, and analytical tool set that were developed to analyze freeway usage and performance in the central Puget Sound region.


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    Titel :

    Central Puget Sound Freeway Network Usage and Performance. 1999 Update, Volume 2: Trends


    Beteiligte:
    M. E. Hallenbeck (Autor:in) / J. M. Ishimaru (Autor:in) / J. Nee (Autor:in)

    Erscheinungsdatum :

    2000


    Format / Umfang :

    53 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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