Guardrails, barriers, and sign supports 5 reports.

Guardrails, barriers, and sign supports 5 reports.

מידע ביבליוגרפי
Corporate Authors: 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
פורמט: ספר
שפה:English
יצא לאור: Washington, D.C. Highway Research Board 1967.
סדרה:Highway research record no. 174.
Publication (National Research Council (U.S.)) no. 1505.
נושאים:
Roads > Guard fences.
Traffic signs and signals > Break-away supports.