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

ग्रंथसूची विवरण
निगमित लेखकों:	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
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Washington Highway Research Board, National Research Council D.C., 1970.
श्रृंखला:	Highway research record no. 308.
विषय:	Roads > Guard fences. Roads > Crash cushions. Traffic signs and signals > Break-away supports. Guardrails. Luminaires. Geometric design.