Description
Item Description:At head of title: National Cooperative Highway Research Program.
"Transportation Research Board, National Research Council."
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
"Project 20-5 FY 1992 (Topic 24-06)"--Title page verso.
Physical Description:63 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references (pages 51-52).
ISBN:0309053188
ISSN:0547-5570 ;