The Traffic Systems Services Unit (TSSU) conducts traffic signal cabinet testing, annual signal inspection, signal turn ons and maintenance as well as installation and maintenance of Intelligent Transportation Systems (ITS) equipment across the state.
TSSU is known for their signal training classes as well as their storeroom
of signal and ITS equipment.
To review the projects TSSU is currently working on, please see our
Active Projects report
for a list or search for your specific project. If you need to add your project to the list, get supplies or sign up for training, please see the links to the right.