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

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

Opis bibliograficzny
Korporacja: National Research Council (U.S.). Highway Research Board
Format: Książka
Język:English
Wydane: Washington, D.C. The Board 1952.
Seria:Highway Research Board Bulletin53.
National Research Council. Publication 228.
Hasła przedmiotowe:
Traffic surveys > United States.
Roads > United States.