Highway sufficiency ratings presented at the 31st annual meeting, January 1952.

Highway sufficiency ratings presented at the 31st annual meeting, January 1952.

Dades bibliogràfiques
Autor corporatiu: National Research Council (U.S.). Highway Research Board
Format: Llibre
Idioma:English
Publicat: Washington, D.C. The Board 1952.
Col·lecció:Highway Research Board Bulletin53.
National Research Council. Publication 228.
Matèries:
Traffic surveys > United States.
Roads > United States.