Roadside safety features 1991 / 
National Research Council (U.S.). Transportation Research Board. 
 - Washington, D.C. :  Transportation Research Board, National Research Council,  1991. 
 - 55 p. :  ill. 
 - Transportation research record ; 1302 .
<br/><br/><label>ISBN: </label>0309051096 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Guard fences--Testing.<br/>Roads--Safety measures.