ADDCO sets the standard in vehicle-mounted and fixed-traffic control solutions that deploy fast, withstand extreme conditions and deliver proven visibility to protect crews and motorists. When safety and reliability matter most, DOTs, first responders and roadside professionals trust ADDCO.
Intelligent LED message boards, fixed traffic signs and integrated safety systems that protect crews, guide drivers and keep operations moving.
For more than 70 years, ADDCO has led the industry with first-to-market innovations that improve roadway safety and keep operations running smoothly. Every product is built with precision electrical, mechanical and software engineering—then rigorously tested to meet demanding field standards.
High-visibility signs that drivers can read from 1,000+ feet away.
Instant deployment and driver compliance.
Seamless operation for DOTs, utility fleets and emergency responders.
Integrated message board, arrow board and light bar with multiple mounting configurations.
Creates a safe zone on the side of the road for first responders and work crews.
Deploys in seconds with a simple-to-use dial controller.
Durable, highway-grade displays for permanent and semi-permanent installations.
Ideal for overpass, roadside and workzone applications.
Buy for less. Install for less. Maintain for less.
First-of-its-kind modular weatherproof sign system.
Engineered for exceptional legibility and long-term durability.
No bulky sealed cases or climate controls.
ADDCO traffic control signs and message boards are:
From snowplow fleets in Minnesota to incident-response vehicles in California, ADDCO serves federal, state and municipal DOTs along with tow, utility and recovery operators nationwide. Since 1953, our customers have trusted our solutions to perform day and night, season after season.
“Message Boards are an easy decision. We can get cars to slow down and move over so we can feel safer while working and we all get home safely to our families. What’s a life worth?”
Matt Maloney’s Towing
Our specialists help you identify the safest, most cost-effective solution for your fleet or project.
