Description
Item Description:Final report, issued June 1976 (Volume 1).
Final report, issued March 1976 (Volume 2).
Prepared for Federal Highway Administration, under contract number DOT-FH-11-8130.
Prepared for the U.S. Federal Highway Administration, Offices of Research and Development, Washington, D.C. under contract number DOT-FH-11-8130.
Physical Description:2 volumes : illustrations ; 28 cm.
Bibliography:Bibliography: volume 2, pages 157-163.