Guardrails, barriers, and sign supports 5 reports.

Guardrails, barriers, and sign supports 5 reports.

書誌詳細
共著者: 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
フォーマット: 図書
言語:English
出版事項: Washington, D.C. Highway Research Board 1967.
シリーズ:Highway research record no. 174.
Publication (National Research Council (U.S.)) no. 1505.
主題:
Roads > Guard fences.
Traffic signs and signals > Break-away supports.