International transportation topics 4 reports ; sign uniformity, closing the Darien gap, transportation in Europe, and transportation in Great Britain.

International transportation topics 4 reports ; sign uniformity, closing the Darien gap, transportation in Europe, and transportation in Great Britain.

Chi tiết về thư mục
Nhiều tác giả của công ty: National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, National Research Council (U.S.). Highway Research Board. Special Committee on International Cooperative Activities
Định dạng: Sách
Ngôn ngữ:English
Được phát hành: Washington Highway Research Board D.C., 1969.
Loạt:Highway research record no. 299.
Những chủ đề:
Traffic signs and signals > International cooperation.
Transportation > Europe.
Urban transportation policy > Great Britain.
Transportation > International cooperation.