| Designator | SGR27a |
| 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 | Midwest Roadside Safety Facility |
| FHWA Eligibility Letter | B-64B.pdf |
| Components | |
| Drawings | SGR27a-b.pdf |
| Other Docs | B-64B.pdf |
| Archive | |
| External Links |