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    Use of Guardrails on Low Fill Bridge Length Culverts

    T. J. Hirsch / D. Beggs | NTIS | 1987

    Crash Test of Mile Post Marker

    T. J. Hirsch / E. Buth | NTIS | 1972

    Improved End Treatment for Metal Beam Guardrail

    C. E. Buth / T. J. Hirsch | NTIS | 1977

    Truck Tests on Texas Concrete Median Barrier

    T. J. Hirsch / E. R. Post | NTIS | 1972

    Bridge Deck Designs for Railing Impacts

    A. G. Arnold / T. J. Hirsch | NTIS | 1985

    New Concepts for Traffic Barrier Systems

    E. L. Marquis / T. J. Hirsch | NTIS | 1978

    Testing of New Bridge Rail and Transition Designs. Volume 1. Technical Report

    C. E. Buth / T. J. Hirsch / W. L. Menges | NTIS | 1997