Stephen King
Gerald C. Hammon
United States. General Accounting Office
National Research Council (US)
Québec (Province). Comité sur les haltes routières.
Massachusetts. Adopt-A-Rest Area/Visibility Site Program
Montana. Department of Transportation
Montana. State Highway Commission. Preconstruction Division
Harris A. Reynolds
Planning and Public Works. Subcommittee on Beaches and Parks California. Legislature. Assembly. Interim Committee on Conservation
National Research Council (U.S.). Highway Research Board.
James S. Reierson
United States. Federal Highway Administration.
Jeffrey W. Trombly
Nancy E. Folks
Nicholas T. Dines