Witheford, David K. <br/><br/>
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,  178  0547-5570 ; .
 - Synthesis of highway practice ;  178. .
<br/><br/> "Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."  "May 1992." 
<br/><br/>Includes bibliographical references (p. 36-37). 
<br/><br/><label>LCCN: </label>92060469  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Design and construction.<br/>Truck escape ramps.<br/>Trucks.
<br/><br/><label>LC Class. No.: </label>TE175  / .W55 1992 
<br/><br/><label>Dewey Class. No.: </label>625.725