Tobey, Henry N., <br/><br/>
Executive summary / 
Tobey, Henry N., 
 - Washington, D.C. :  United States Government Printing Office,  1980 
 - 256 p. ;  25 cm. 
 - Report no;  FHWA/RD-80/106 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Safety Aspect<br/>Waring light
<br/><br/><label>Dewey Class. No.: </label>363.1