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

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

Bibliografische gegevens
Coauteur: National Research Council (U.S.). Highway Research Board
Formaat: Boek
Taal:English
Gepubliceerd in: Washington, D.C. The Board 1952.
Reeks:Highway Research Board Bulletin53.
National Research Council. Publication 228.
Onderwerpen:
Traffic surveys > United States.
Roads > United States.