Description
Item Description:Cover title.
Conducted by the Transportation Research Laboratory, Dept. of Civil Engineering, Engineering Experiment Station, University of Illinois at Urbana-Champaign, in cooperation with the State of Illinois, Dept. of Transportation, and the U.S. Dept. of Transportation, Federal Highway Administration.
"June, 1983."
"UILU-ENG-83-2009."
Physical Description:iv, 48 pages : illustrations ; 28 cm.
Bibliography:Bibliography: pages 21-23.