| Designator | STG04a | 
| Type | Guardrail-to-Guardrail (G) | 
| System 1 | MGS W-Beam Guardrail | 
| System 2 | Thrie-Beam Guardrail | 
| Test Specification | AASHTO MASH 2016 | 
| Test Level | TL-3 | 
| Drawing Status | Review Complete | 
| Perm/Temp | Permanent | 
| Contact | Midwest Roadside Safety Facility | 
| Manufacturer | Non-Proprietary | 
| FHWA Eligibility Letter | B-263.pdf | 
| Components | 4-Space W-Beam Guardrail Wide-Flange Guardrail Post MGS Timber Blockout for Steel Guardrail Post Asymmetrical W-Thrie Beam Transition Section Guardrail Bolt & Recessed Nut Guardrail Bolt & Recessed Nut | 
| Drawings | STG04a-b_20161205final.pdf | 
| Other Docs | |
| Archive | |
| External Links | 
Nested MGS W-Beam to Thrie-Beam Transition with Curb, Steel Posts
    
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