| Designator | SWW21a |
| System Type | Water-Filled Barrier (W) |
| Test Specification | AASHTO MASH 2016 |
| Test Level | TL-2 |
| Anchor Type | Free-Standing |
| Dynamic Deflection | DD > 120" [3048mm] |
| Working Width | WW > 144" [3658mm] |
| Width | W ≤ 18" [457mm] |
| Height | 33" [838mm] < H ≤ 40" [1016mm] |
| Drawing Status | In Review |
| Contact | Valmont Highway |
| Manufacturer | Valmont Highway |
| FHWA Eligibility Letter | B-326.pdf |
| Components | |
| Drawings | SWW21a_Draft20200427.pdf |
| Other Docs | |
| Archive | |
| External Links |
ArmorZone Barrier, MASH TL-2
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