| Designator | SGM46a |
| System Type | Median Barrier (M) |
| Test Specification | AASHTO MASH 2016 |
| Test Level | TL-3 |
| Rail Type | Wood/Steel |
| Deflection Category | Unknown |
| Dynamic Deflection | Unknown |
| Working Width | Unknown |
| Aesthetic | Yes |
| Width | 24" [610mm] < W ≤ 36" [914mm] |
| Height | 26" [660mm] < H ≤ 30" [762mm] |
| Manufacturer | Non-Proprietary |
| Drawing Status | As Submitted |
| Contact | Center for Collision Safety and Analysis (CCSA) |
| FHWA Eligibility Letter | |
| Components | |
| Drawings | SGM46a_Drawing_20230505.pdf |
| Other Docs | |
| Archive | |
| External Links |
Steel-Backed Timber Guardrail Median Type A
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