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

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

מידע ביבליוגרפי
מחבר תאגידי: National Research Council (U.S.). Highway Research Board
פורמט: ספר
שפה:English
יצא לאור: Washington, D.C. The Board 1952.
סדרה:Highway Research Board Bulletin53.
National Research Council. Publication 228.
נושאים:
Traffic surveys > United States.
Roads > United States.