The volume, the third of a three-volume final report, provides supporting data regarding the study area, sampling and data-collection methods, analysis methods and data-processing techniques, and study results obtained in Volume II. A relatively detailed on-scene inventory of the geometry, other design features, and traffic counts for 558 intersections coupled with police reports of the 4372 accidents that occurred there during the three-year study period were used in the analysis. Forty-one accidents were studied in detail by a multidisciplinary team to determine causal factors and to evaluate the effects of federal safety standards on intersection-accident incidence and severity. Six intersection design features were demonstrably accident related--sight-distance obstruction, street-name signs, left-turn storage lanes, raised-marker delineation, bus-loading zones, and routing and multiphase signalization. Accident countermeasures based on the influence of these six factors are recommended.


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    Title :

    Motor Vehicle Accidents in Relation to Geometric and Traffic Features of Highway Intersections. Volume III. Appendices


    Contributors:
    N. A. David (author) / J. R. Norman (author)

    Publication date :

    1975


    Size :

    108 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English