United States. Federal Highway Administration.
Wilson Gardner Harger
John Edwin Brindley
United States. Dept. of Transportation.
Edwin J. C. Sobey
National Research Council (U.S.). Transportation Research Board
Great Britain
San Francisco County Transportation Authority.
Unknown Author
Punjab (Pakistan)
Lawrence Halprin
Milan Janic
William Marshall Freeman
Ghazi Gaseem Al-Khateeb
Eric Alonzo
Nicholas J. Garber
Nina Milne
Peter Baldwin