| Designator | SGR04c | 
| System Type | Roadside Barrier (R) | 
| 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 Timber Guardrail Post Strong Round Timber Guardrail Post Wide-Flange Guardrail Post 2-Space W-Beam Guardrail | 
| Drawings | SGR04a-e_20161205final.pdf | 
| Other Docs | |
| Archive | SGR04a-e_draft20141223_comments&responses.pdf sgr04a-c.doc sgr04a-c.dwg sgr04a-c.pdf sgr04a-c2.dwg | 
| External Links | 
Strong Post W-Beam Guardrail, Steel Posts, Wood or Composite Blockouts
    
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