Guardrails, barriers, and sign supports 5 reports.

Guardrails, barriers, and sign supports 5 reports.

Dades bibliogràfiques
Autor corporatiu: 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
Format: Llibre
Idioma:English
Publicat: Washington, D.C. Highway Research Board 1967.
Col·lecció:Highway research record no. 174.
Publication (National Research Council (U.S.)) no. 1505.
Matèries:
Roads > Guard fences.
Traffic signs and signals > Break-away supports.