TY - BOOK AU - Zegeer,Charles V. ED - National Research Council (U.S.). ED - American Association of State Highway and Transportation Officials. ED - United States. TI - Methods for identifying hazardous highway elements SN - 0309044022 (pbk.) AV - TE228 .Z39 1986 U1 - 625.7042 19 PY - 1986///] CY - Washington, D.C. PB - Transportation Research Board, National Research Council KW - Roads KW - Safety measures KW - Maintenance and repair N1 - "Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."; "November 1986."; Bibliography: p. 50 ER -