Midwest Guardrail System, Steel Post, 75″ Spacing

Designator SGR20a
System Type Roadside Barrier (R)
Test Specification AASHTO MASH 2016
Test Level TL-3
Rail Type W-Beam
Deflection Category Semi-Rig
Dynamic Deflection 36" [914mm] < DD ≤ 60" [1524mm]
Working Width 48" [1219mm] < WW ≤ 72" [1829mm]
Aesthetic No
Width 12" [305mm] < W ≤ 24" [610mm]
Height 30" [762mm] < H ≤ 33" [838mm]
Manufacturer Non-Proprietary
Drawing Status Review Complete
Contact Midwest Roadside Safety Facility
FHWA Eligibility Letter B-212.pdf
Components Guardrail Bolt & Recessed Nut
Guardrail Bolt & Recessed Nut
MGS Timber Blockout for Steel Guardrail Post
Wide-Flange Guardrail Post
4-Space W-Beam Guardrail
Drawings SGR20a-c_final20110908.pdf
Other Docs b133.pdf
b212.pdf
Archive SGR20a-c.pdf
External Links