Warning Lites of Minnesota is your expert partner in work zone, roadway and event safety. As a highly responsive team of traf ... fic and event safety experts, we provide consistently outstanding service to ensure your projects, workers, and events are safe and successful. Our reputation for service and expertise means that you can trust Warning Lites to meet your deadlines and budget requirements. Our divisions cover: Traffic Control Rental & Sales Event Traffic Control Pavement Marking Permanent Signs Safety Training Reduce risk, avoid delays and minimize costs. Count on our experts to get you in the right devices and equipment, backed with round-the-clock, hands-on support. read more