Hill & Smith Inc.

987 Buckeye Park Road

Columbus, OH

USA

43207

614.340.6294

614.340.6296

www.hillandsmith.com

Hill & Smith Inc. – headquartered in Columbus, Ohio – is the manufacturer and supplier of the Zoneguard portable steel barrier system. Having been tested and accepted by the FHWA to NCHRP-350 and MASH crash test criteria, Zoneguard meets maximum safety standards and offers reliable protection for installers, road workers and drivers. Hill & Smith Inc. is a subsidiary of Hill & Smith Holdings PLC.

Products

Temporary steel barrier

The MASH-eligible Zoneguard steel barrier system reduces trucks, improves installation and relocation time, decreases dead load on bridges and can withstand years of utilization. Contact Hill &...
Steel barrier system

Zoneguard’s lightweight configuration allows for 750 linear ft to be hauled on one truck, compared to 90-120 linear ft with traditional barriers.
MASH temporary barrier

Zoneguard has been extensively tested to both NCHRP-350 and MASH crash test standards. It is one of only a handful of MASH-eligible temporary barrier systems available.

Videos

Case Studies

Alabama DOT deploys queue detection system in Tuscaloosa work zone

State DOTs have been increasingly deploying intelligent transportation systems (ITS) in work zones over the last 10 years with the goal of improving traffic operations and safety by providing real-time information to the traveling public. After the widening of I-20/I-59 in Tuscaloosa, Ala., began...

Temporary barrier helps accelerated bridge construction on West Virginia Turnpike

The West Virginia Turnpike, an 88-mile four-lane toll road including stretches of I-77 and I-64, is a winding and elevated highway through mountainous terrain. There are 116 bridges on the Turnpike, and prior to 2016, the average bridge age was 32 years old. In 2016, the Turnpike commenced a...

Barrier solution for Battle Creek bridge

Alkali-silica reaction (ASR), commonly known as “concrete cancer,” is a chemical reaction that can wreak havoc on concrete structures and accelerate deterioration. This corrosive force is quite prevalent in concrete bridge rails and can cause a number of issues, such as negatively affecting the...