The report (Volume I) presents a study to evaluate the safey performance of G4 (1S) strong-post W-beam guardrails on both limited and non-limited access facilities in Florida. A companion report (i.e., Volume II) focuses on the performance of cable median barriers in Florida. In total, 685.2 miles of limited access facilities and 341.5 miles of non-limited access facilities were identified to have G4 (1S) strong-post W-beam guardrails. A atotal of 40,738 crashes from the year 2006-2010 at these locations were identified and their police reports were reviewed to obtain detailed crash information. OF these 40,738 crashes, 8,674 crashes were determined to be guardrail-related (i.e., involving vehicles hitting a guardrail.). These crashes were reviewed in further detail to identify crossover crashes and the manner in which the vehicles crossed the guardrails, i.e., either by over-riding, under-riding, or penetrating the guardrails.


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    Titel :

    In-Service Performance Evaluation (ISPE) for G4 (1S) type of Strong-Post W-Beam Guardrail System and Cable Median Barrier: Volume 1


    Beteiligte:
    P. Alluri (Autor:in) / K. Haleem (Autor:in) / A. Gan (Autor:in)

    Erscheinungsdatum :

    2012


    Format / Umfang :

    106 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch