KNOX COUNTY, Tenn. — There are 91 traffic signals in Knox County with more on the way. Have you ever wondered how those lights know when to change and who makes sure they work? In part, it's up to ...

Road improvements, including traffic signal replacement work at two intersections, are scheduled to get underway this year in the south suburbs, according to Cook County. Rolling out its schedule of ...

The second phase of the Chambersburg Signal Improvement Project is updating 63 traffic signals in the area. Updates include responsive signal timing, flashing yellow turn arrows, and new green turn ...