Guardrails, barriers, and sign supports 5 reports.

Guardrails, barriers, and sign supports 5 reports.

গ্রন্থ-পঞ্জীর বিবরন
সংস্থা লেখক: 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
বিন্যাস: গ্রন্থ
ভাষা:English
প্রকাশিত: Washington, D.C. Highway Research Board 1967.
মালা:Highway research record no. 174.
Publication (National Research Council (U.S.)) no. 1505.
বিষয়গুলি:
Roads > Guard fences.
Traffic signs and signals > Break-away supports.