Guardrails, barriers, and sign supports 5 reports.

Guardrails, barriers, and sign supports 5 reports.

Opis bibliograficzny
organizacja autorów: 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: Książka
Język:English
Wydane: Washington, D.C. Highway Research Board 1967.
Seria:Highway research record no. 174.
Publication (National Research Council (U.S.)) no. 1505.
Hasła przedmiotowe:
Roads > Guard fences.
Traffic signs and signals > Break-away supports.