Roadside obstacles :  their effects on the frequency and severity of accidents : development and evaluation of countermeasures : a report / 
prepared by an OECD road research group. 
 - 124 pages :  illustrations ;  27 cm 
 - Road Research. .
 - Road research. .
<br/><br/><label>ISBN: </label>9264113924 
<br/><br/><label>LCCN: </label>76367623 
<br/><br/><label>Nat. Bib. No.: </label>F*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Safety measures<br/>Roads--Accessories<br/>Traffic accidents
<br/><br/><label>LC Class. No.: </label>TE153  / .O75 1975