Strong Post W-Beam Median Barrier, Steel Posts, Wood or Composite Blockouts

Designator SGM04a
System Type Median Barrier (M)
Test Specification NCHRP Report 350
Test Level TL-3
Rail Type W-Beam
Deflection Category Semi-Rig
Dynamic Deflection
Working Width
Aesthetic Yes
Width
Height 26" [660mm] < H ≤ 30" [762mm]
Manufacturer Non-Proprietary
Drawing Status Review Complete
Contact Federal Highway Administration
FHWA Eligibility Letter b64.pdf
Components Guardrail Bolt & Recessed Nut
Plain Round Washer
W-Beam Timber Blockout
Wide-Flange Guardrail Post
2-Space W-Beam Guardrail
Drawings SGM04a-b.dwg
sgm04a-b.pdf
Other Docs sgm04a-b.doc
Archive
External Links