01555cam a2200361 a 4500 529618 529618 2034644 NUST 20190930101136.0 920507s1992 dcua b 000 0 eng 92060469 MSOHAIL DLC DLC DLC TE175 .W55 1992 625.725 20 Witheford, David K. 20748 Truck escape ramps / David K. Witheford ; topic panel, Wiley D. Cunagin ... [et al.]. Washington, DC : Transportation Research Board, National Research Council, [1992] 56 p. : ill. ; 28 cm. National Cooperative Highway Research Program Synthesis of highway practice, 0547-5570 ; 178 "Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration." "May 1992." Includes bibliographical references (p. 36-37). Roads Design and construction. 19562 Truck escape ramps. 21961 Trucks. 21962 Cunagin, Wiley D. 21640 American Association of State Highway and Transportation Officials. 19553 United States. Federal Highway Administration. 20149 Synthesis of highway practice ; 178. 21963 7 cbc orignew 3 opcn 19 y-gencatlg ddc BK 0 0 ddc 0 0 NIT NIT 2019-09-30 0 625.725 NIT-10991 2019-09-30 2019-09-30 BK