AASHTO M180 : American Standard Highway Guardrail Solution

Overview
STEEL provides American standard highway guardrail solutions designed according to AASHTO and relevant transportation safety requirements. The solution is widely used for highway safety barriers, roadside protection systems, bridge approaches, and infrastructure projects in North America and regions adopting US standards.

Applicable Markets

• United States
• Canada
• Mexico
• Latin America countries following AASHTO standards

Typical System Configuration
A complete American standard guardrail system usually includes:

• W-Beam Guardrail
• Steel Posts
• Blockouts / Spacers
• Terminal Ends
• Connection Bolts
• Washers and Accessories

Specification Selection
Beam Profile

A. W-Beam
Common profile:

• 4128mm Work width
• 2.67mm & 3.43mm thickness
• 311mm beam height
• 83mm wave depth

B. Thrie-Beam
Common profile:

• 7938mm Work width
• 2.67mm – 3.43mm thickness
• 311mm beam height
• 83mm wave depth

Material:

• ASTM A36
• ASTM A572 Grade 50
• Equivalent structural steel grades
• Hot-dip galvanized

Solution Features
✔ Designed according to American highway standards
✔ High energy absorption performance
✔ Compatible with local installation accessories
✔ Suitable for large-scale infrastructure projects
✔ Supports customized punching and fabrication