l must have been submitted to official crash test.
The steel posts with corrugated beams conform to the requirements of AASHTO M183 and galvanising be in accordance with AASHTO M111.
The fittings (bolt and nuts) conform to or exceed requirement of ASTM A 307 and shall be hot dip zinc coated in accordance with the requirement of AASHTO M232M, Class C. The corrugated steel beam guardrails are supplied and delivered completed with bolted warning reflectors, steel, posts and metllic spacing device a