| Designator | SWM04a |
| System Type | Miscellaneous (M) |
| Test Specification | NCHRP Report 350 |
| Test Level | TL-4 |
| Anchor Type | |
| Dynamic Deflection | |
| Working Width | |
| Width | |
| Height | |
| Drawing Status | No Drawing |
| Contact | VALTIR, LLC (f/k/a Trinity Highway) |
| Manufacturer | VALTIR, LLC |
| FHWA Eligibility Letter | B-134D.pdf |
| Components | |
| Drawings | |
| Other Docs | B-134D.pdf |
| Archive | |
| External Links |
Vulcan Barrier, TL-4
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