1–10 of 149 hits
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    Delineation of Stop-Sign Approaches

    K. R. Agent | NTIS | 1979

    Problem Identification for Highway Safety Plan

    J. G. Pigman / K. R. Agent | NTIS | 1979

      Problem Identification for Highway Safety Plan

      J. G. Pigman / K. R. Agent / J. D. Crabtree | NTIS | 1980

    Pavement Management and Rehabilitation of Portland Cement Concrete Pavements

    C. V. Zegeer / K. R. Agent / R. L. Rizenbergs et al. | NTIS | 1981

    Highway Safety: Roadway Improvements, Accident Rates, and Bicycle Programs

    H. E. Strate / J. G. Pigman / K. R. Agent et al. | NTIS | 1981

    Analysis of Accidents Involving Crash Cushions

    J. G. Pigman / K. R. Agent / T. Creasey | NTIS | 1984

    Evaluation of Truck Escape Ramps

    J. G. Pigman / K. R. Agent | NTIS | 1985