Methods for evaluating road safety measures :  a report / 
prepared by an OECD Road Research Group 
 - Paris :  OECD,  1981 
 - 108 p. :  ill. ;  27 cm. 
 - Road research (OECD) .
 - Road research (OECD) .
<br/><br/> 'June 1981' 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9264122257 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic safety--Evaluation<br/>Roads--Safety measures--Cost effectiveness