Afaf Bouhoute
Teik-Hua Law
Grahame Beckey
Michael Orlik
Stephen Sauvain
Stephen J. Sauvain
David Goettee
Klaus Zimniok
Roger Coquand
National Research Council (U.S.). Highway Research Board.
Steen Leleur
Next Exit
Allan B. Jacobs
American Society of Civil Engineers Staff
Lester A. Hoel Nicholas J. Garber
C. Martínez-Carrasco Pignatelli
United States. General Accounting Office
Germany (West)
United States. Congress. Senate. Committee on Environment and Public Works.
United States. Federal Highway Administration.