Description
Item Description:At head of title: National Cooperative Highway Research Program.
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
"A synthesis of highway practice."
Electronic resource.
Physical Description:1 online resource (163 pages) : illustrations.
Bibliography:Includes bibliographical references (pages 60-63) .
ISBN:9781621982845
162198284X
ISSN:0547-5570 ;