| Designator | SGR74a |
| System Type | Roadside Barrier (R) |
| Test Specification | AASHTO MASH 2016 |
| Test Level | TL-3 |
| Rail Type | Closed Profile |
| Deflection Category | Rigid |
| Dynamic Deflection | |
| Working Width | |
| Aesthetic | Yes |
| Width | |
| Height | 30" [762mm] < H ≤ 33" [838mm] |
| Manufacturer | Northern Infrastructure Products |
| Drawing Status | Review Complete |
| Contact | Northern Infrastructure Products |
| FHWA Eligibility Letter | B-365.pdf |
| Components | |
| Drawings | SGR74a_20220610.PDF |
| Other Docs | |
| Archive | |
| External Links |