Headquartered in Dixon, Illinois, with a nationwide customer service network, John Thomas, Inc. (JTI) has served the traffic control and roadway safety needs of state DOTs, municipalities and highway contractors for more than 20 years. From our state-of-the-art manufacturing facility, we proudly design and manufacture the trusted ADDCO PTS-2000™ line of intelligent portable traffic signals.

Our team of engineers and signal experts are committed to providing leading-edge technology to make the ADDCO PTS-2000 line the most advanced, easiest-to-deploy and simplest to operate portable traffic signals available. We can configure portable traffic signals with the exact features and functionality that you need.

We’ve Got Your Back!

At JTI, we foster a culture of quality and service from our front office to the shop floor – with a strong commitment to doing whatever it takes to make our customers’ projects a success. We provide expert 24/7 customer support and have your back when you need us. Our portable traffic signals are available with the optional Galaxy® Remote Monitoring System, which enables our customers to monitor their signals and receive text alerts if any issues arise. This provides peace-of-mind and enables JTI to work with your signal technicians like we’re right there with you.