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

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

書誌詳細
団体著者: National Research Council (U.S.). Highway Research Board
フォーマット: 図書
言語:English
出版事項: Washington, D.C. The Board 1952.
シリーズ:Highway Research Board Bulletin53.
National Research Council. Publication 228.
主題:
Traffic surveys > United States.
Roads > United States.