Guardrails, barriers, and sign supports 5 reports.

Guardrails, barriers, and sign supports 5 reports.

Podrobná bibliografie
Korporace: 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. Committee on Guardrails, Median Barriers, and Sign, Signal, and Lighting Supports
Médium: Kniha
Jazyk:English
Vydáno: Washington, D.C. Highway Research Board 1967.
Edice:Highway research record no. 174.
Publication (National Research Council (U.S.)) no. 1505.
Témata:
Roads > Guard fences.
Traffic signs and signals > Break-away supports.