The project includes a literature review and accident analysis that supported the hypothesis that age differences in motion perception capabilities represent a likely source of difficulty for specific traffic maneuver problems experienced by older drivers. A feasibility study was performed to evaluate the most appropriate apparatus for use in later driving simulation tests planned in the research. Two sets of experiments were subsequently conducted. In the first experiment, drivers in three age groups--18-55, 56-74, and 75+ years of age--estimated the time-to-collision (TTC) of an approaching vehicle, from both stationary and moving perspectives. In the second experiment, drivers viewed a dynamic roadway scene containing an approaching conflict vehicle. The subject's task was to judge the 'last safe moment to proceed' with a particular traffic maneuver in relation to the conflict vehicle, to determine a gap judgment measure. Both the TTC and the gap judgment measures were obtained under laboratory conditions using multiple stimulus presentation methodologies in a driving simulator. Recommendations for countermeasures to accommodate older driver difficulties with turning maneuvers at intersections were developed consistent with the results of these studies.


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    Titel :

    Traffic Maneuver Problems of Older Drivers: Final Technical Report


    Beteiligte:
    L. Staplin (Autor:in) / K. Lococo (Autor:in) / J. Sim (Autor:in)

    Erscheinungsdatum :

    1993


    Format / Umfang :

    215 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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