Today's traffic lights can be controlled by anything from standard traffic control computers to highly advanced AI-driven computer systems that are so "smart" they can predict what's going to happen ...

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 ...

How traffic signals work There are 91 traffic signals in Knox County alone, and the county plans to add more.

The Pennsylvania Department of Transportation is set to begin upgrading traffic signals in and around Chambersburg on March 30, according to a community announcement. The project will take place at ...