| Designator | SGM48a |
| System Type | Median Barrier (M) |
| Test Specification | AASHTO MASH 2016 |
| Test Level | TL-4 |
| Rail Type | Closed Profile |
| Deflection Category | Semi-Rig |
| Dynamic Deflection | 12" [305mm] < DD ≤ 24" [610mm] |
| Working Width | 48" [1219mm] < WW ≤ 72" [1829mm] |
| Aesthetic | No |
| Width | 12" [305mm] < W ≤ 24" [610mm] |
| Height | H > 33" [838mm] |
| Manufacturer | Non-Proprietary |
| Drawing Status | In Review |
| Contact | Pennsylvania Department of Transportation |
| FHWA Eligibility Letter | B-372.pdf |
| Components | |
| Drawings | SGM48a_20200227.pdf |
| Other Docs | |
| Archive | |
| External Links | |
