Roger P. Roess
Fred L. Mannering
Tom Vanderbilt
National Association
Ghazi Gaseem Al-Khateeb
B. G. Hutchinson
Christine Owen
Andrew Cook
Glenn Wyatt
Carmen Hass-Klau
Peter R. Stopher
Michael S. Nolan
Henk W.van der Kamp
Organisation for Economic Co-operation and Development. Road Research Group.
Brian Wolshon
Stephen Ison
United States. President's Task Force on Highway Safety.
Haiti
Institution of Civil Engineers