| Designator | SSS15a-c |
| System Type | Slipbase (S) |
| Test Specification | NCHRP Report 350 |
| Test Level | TL-3 |
| Drawing Status | Review Complete |
| Maximum Legs/7ft | 3 |
| Contact | Nucor Steel Marion, Inc. |
| Manufacturer | Nucor Steel Marion, Inc. |
| FHWA Eligibility Letter | ss69a.pdf |
| Components | Sign Post Soil Plate Rib-Bak U-Channel Posts |
| Drawings | SSS15.pdf |
| Other Docs | WINDLOAD_600-800_AHC.pdf sssupreme_install_card.pdf |
| Archive | |
| External Links |