The purpose of the National Motor Vehicle Crash Causation Survey (NMVCCS) was to collect information on the vehicles, the roadways, and the environmental conditions as well as the human behavioral factors that are likely to contribute to crash occurrence. The data was collected on crashes involving light vehicles, during the period January 2005 to December 2007. The primary focus of the survey is on the events immediately prior to a crash as well as on the associated factors as described by the occupants and witnesses, reported by the police, and assessed by the NMVCCS researchers. One of the special features of NMVCCS was to collect information at the crash scene itself, thus enabling the researcher to obtain first-hand information while it was still relatively undisturbed. Due to the nature of the targeted information and the method of operation, this survey required a complex sample design to get national representation at a reasonable cost. Both time and location of a crash were considered in the selection of crashes to attain high efficiency of the on-scene survey.


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    Title :

    Sampling Design Used in the National Motor Vehicle Crash Causation Survey


    Contributors:
    E. H. Choi (author) / F. Zhang (author) / E. Y. Noh (author) / S. Singh (author)

    Publication date :

    2008


    Size :

    23 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English