Guardrails, barriers, and sign supports 5 reports.

Guardrails, barriers, and sign supports 5 reports.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Συλλογικό Έργο: 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
Μορφή: Βιβλίο
Γλώσσα:English
Έκδοση: Washington, D.C. Highway Research Board 1967.
Σειρά:Highway research record no. 174.
Publication (National Research Council (U.S.)) no. 1505.
Θέματα:
Roads > Guard fences.
Traffic signs and signals > Break-away supports.