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ZoneGuard®, Hill & Smith’s signature creation, offers the road construction industry a revolutionary temporary barrier solution that provides superior protection.

Zoneguard® is a proprietary temporary steel barrier developed by Hill and Smith. It has been successfully crash-tested in accordance with NCHRP 350 Test Level 3 and 4 and MASH Test Level 3. A cost-effective alternative to traditional concrete barrier, made of long-lasting galvanized steel. Zoneguard® can withstand nuisance impacts and regular movements with little to no visible wear-and-tear.


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