National Research Council (U.S.) text Washington Transportation Research Board, Commission on Sociotechnical Systems, National Research Council, National Academy of Sciences 1978 monographic xxiv, 297 p. : ill. ; 28 cm. Modelos de diseño geométrico para caminos de bajo volumen = Normes de dimensionnement géometrique pour routes à faible capacité. "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." Includes index. 0 0 0 625_720000000000000_NAT Low-volume roads Design and construction Standards MCE 625.72 NAT 0309026989