The objective of the effort was to determine the feasibility of a study to provide statistically sound estimates of the accident rates of longer combination vehicles currently operated in several of the Western states under special permit. In order to evaluate the feasibility of such a study, information on the types of longer combination vehicles allowed, number of permits issued, and accident data available was obtained from the 12 Western states that allow one or more of the longer combination vehicle types. The available information indicated that perhaps as many as 40,000 longer combination vehicles are permitted in the 12-state region. However, the available accident data identified about 500-600 accidents in 1986, only one-tenth the expected number. Given the uncertainty about the accident reporting, a pilot study in the state that appears to have the best accident reporting, Washington, is described. Separate surveys of accidents and travel would be conducted over a one-year study period.


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    Titel :

    Feasibility Study: Accident Rates of Existing Longer Combination Vehicles


    Beteiligte:
    K. L. Campbell (Autor:in) / L. C. Pettis (Autor:in)

    Erscheinungsdatum :

    1989


    Format / Umfang :

    148 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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