MDI Traffic Control

OSHA Warning Signs

OSHA Warning Signs, OSHA Caution Signs and OSHA Danger Signs identify potential hazards that could cause serious injury or death. We offer legends...

Storage/Carrying Bags & Boxes

Protect and store your WindMaster® Sign Stands and roll-up signs in our heavy-duty, nylon bags or high-density polyethylene storage box. The storag...

Safety Vests

Be Seen. Be Safe. MDI has a range of high-visibility safety vests to make utility, construction, survey and other roadway workers very conspicuous...

Traffic Cones & Pi-Lit Smart Flares

Traffic cones keep workers and work area safer by temporarily redirecting traffic to effectively control the site and the road. MDI Traffic Control...

Other Sign Holders, Brackets, Wooden Dowel Flags

MDI offers a variety of brackets for mounting signs or attaching accessories to sign stands. Sign mounting brackets include: Vehicle Sign Mount Bra...

DuraLatch® Crossbracing

DuraLatch® Crossbracing is constructed of 1.25″ wide fiberglass and has three plastic end caps. It is used for MDI’s diamond-shape, rectangul...

MDI Compact® Sign System

The MDI Compact® Sign System – sign and sign stand — sets up in less than 20 seconds – the quickest and easiest deployment in the industry. T...

MDI Compact® Sign System

The MDI Compact® Sign System – sign and sign stand — sets up in less than 20 seconds – the quickest and easiest deployment in the industry. T...

Roll-Up Signs

For high-visibility Roll-Up Signs, MDI offers four choices: our exclusive DuraLatch® Roll-Up Signs – the only self-adjusting roll-up sign available...

WindMaster® Sign Stands

WindMaster® Sign Stands have been engineered using the highest quality components and thoroughly tested to ensure exceptional performance. The base...