There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

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 ...

Traffic engineers are quietly working on a radical idea: adding a white signal to the familiar red, yellow, and green. Instead of signaling drivers directly, the extra light would tell humans when to ...

MOORHEAD — A federal grant awarded to the city of Moorhead gives the green light to a plan for greater cohesion between the streets and traffic lights of metro cities. The city of Moorhead was awarded ...