Subjects' speed estimations, traffic pattern judgments and passing judgments from 16mm motion pictures taken from an automobile moving along a freeway and a rural road indicated a high positive correlation between tests and retests of speed estimations on a freeway; little correlation between speed estimations on freeways versus rural roads; consistant overestimations of speed from films taken on freeways (compared to real speeds); consistant underestimations of speed from films taken on rural roads (compared to real speeds); no correlation between speed estimations per se and judgments of traffic patterns or passing; a tendency for the drivers to not pass where legality or distance is questionable; and a positive influence of a posted No Passing Zone sign. (Author)


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    Title :

    Judgment of Vehicle Speed and Traffic Patterns: Phase III


    Contributors:
    H. W. Case (author) / S. F. Hulbert (author) / J. Beers (author)

    Publication date :

    1970


    Size :

    43 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





    Judgment of Vehicle Speed and Traffic Patterns: Phase II

    H. W. Case / S. F. Hulbert | NTIS | 1970


    Judgment of Vehicle Speeds and Traffic Patterns

    J. Beers / S. Hulbert | NTIS | 1972



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