Methods for identifying hazardous highway elements - Zegeer, Charles V.; National Research Council (U.S.). Transportation Research Board; American Association of State Highway and Transportation Officials; United States. Federal Highway Administration (Washington, D.C. Transportation Research Board, National Research Council, 1986)
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
"November 1986."
Bibliography: p. 50.
Keywords: Roads -- Safety measures; Roads -- Maintenance and repair