01282cam a2200313 a 45000010008000000030005000080050017000130080041000300100017000710380012000880400018001000500021001180820016001391000024001552450091001792600088002703000028003584900099003865000155004855000016006405040052006566500036007086500024007446500012007687000022007807100072008027100052008748300042009262034644NUST20190930101136.0920507s1992 dcua b 000 0 eng  a 92060469  aMSOHAIL aDLCcDLCdDLC00aTE175b.W55 199200a625.7252201 aWitheford, David K.10aTruck escape ramps /cDavid K. Witheford ; topic panel, Wiley D. Cunagin ... [et al.]. aWashington, DC :bTransportation Research Board, National Research Council,c[1992] a56 p. :bill. ;c28 cm.1 aNational Cooperative Highway Research Program Synthesis of highway practice,x0547-5570 ;v178 a"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration." a"May 1992." aIncludes bibliographical references (p. 36-37). 0aRoadsxDesign and construction. 0aTruck escape ramps. 0aTrucks.1 aCunagin, Wiley D.2 aAmerican Association of State Highway and Transportation Officials.1 aUnited States.bFederal Highway Administration. 0aSynthesis of highway practice ;v178.