Geometric design protective barrier systems; luminaire supports : 6 reports.

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.). Committee on Geometric Highway Design, National Research Council (U.S.). Committee on Guardrail, Median Barriers and Sign, Signal and Lighting Supports
Định dạng:	Sách
Ngôn ngữ:	English
Được phát hành:	Washington Highway Research Board, National Research Council D.C., 1970.
Loạt:	Highway research record no. 308.
Những chủ đề:	Roads > Guard fences. Roads > Crash cushions. Traffic signs and signals > Break-away supports. Guardrails. Luminaires. Geometric design.