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

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

Bibliografiske detaljer
Institution som forfatter: National Research Council (U.S.). Highway Research Board
Format: Bog
Sprog:English
Udgivet: Washington, D.C. The Board 1952.
Serier:Highway Research Board Bulletin53.
National Research Council. Publication 228.
Fag:
Traffic surveys > United States.
Roads > United States.