The MASSH-400 Structure is a MASH compliant ground mounted slip base sign assembly.
MASSH-400 Multi-Directional Sign Support Hardware System
MASH-16 COMPLIANT (FHWA Letter SS-180 & SS-182)
Xcessories Squared manufactures the MASH-16-compliant crash-tested MASSH-400 Multi-Directionally Activated Sign Support Hardware System. It is designed to be used in place of several W-beam ground-mounted sign structures. It can be custom cut to size in your shop or at the roadside. It contains multi-directional hinges on multi-leg installations to help protect the sign panels. It is much quicker to install than a standard W-beam structure, which helps improve safety and reduce risks. It can also be immediately reinstalled if impacted. MASSH-400 structure is Made in America.