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Specification M 180-25 Standard specification for steel components for highway guardrail

Publication Year

2025

Document Status

Current

Abstract

Specifies the material, coating, dimensions, and manufacturing requirements for non-proprietary steel components used in highway guardrail systems.

Document History

Supersedes AASHTO M180-23.

Publisher Information

American Association of State Highway and Transportation Officials

AASHTO is a non-profit association representing air, road, public, rail and water transportation departments in the 50 US states, the District of Columbia, and Puerto Rico to foster the development, operation, and maintenance of an integrated national transportation system.