| Designator | STG02 |
| Type | Guardrail-to-Guardrail (G) |
| System 1 | MGS W-Beam Guardrail |
| System 2 | Thrie-Beam Guardrail |
| Test Specification | NCHRP Report 350 |
| Test Level | TL-3 |
| Drawing Status | As Submitted |
| Perm/Temp | Permanent |
| Contact | Midwest Roadside Safety Facility |
| Manufacturer | Non-Proprietary |
| FHWA Eligibility Letter | b187.pdf |
| Components | 4-Space W-Beam Guardrail 1- & 2-Space Thrie-Beam Guardrail MGS Timber Blockout for Steel Guardrail Post Guardrail Bolt & Recessed Nut Guardrail Bolt & Recessed Nut Wide-Flange Guardrail Post Asymmetrical W-Thrie Beam Transition Section Thrie-Beam Timber Blockout for Steel Posts Wide-Flange Guardrail Post |
| Drawings | MWT-5 R8.dwg STG02_Draft20140707.pdf midsection_w-thrie.DWG |
| Other Docs | TRR 2025 Paper 07-2628.pdf b187.pdf |
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