Today's busy roadways need signal lights to keep traffic flowing and prevent accidents. Here's what the traffic light symbols ...

At first glance, traffic lights are stunningly simple: green means go, red means stop, and yellow means it’s about to turn red. But like cars, phones, and just about everything else on this ...

Traffic lights along a 32-mile stretch of U.S. 1 will stay green longer when buses approach thanks to special devices that ...

Traffic lights haven’t changed much in the U.S. over the years. Cleveland debuted what is considered the first “municipal traffic control system” in 1914, historian Megan Kate Nelson wrote ...

CEDAR RAPIDS, Iowa (KCRG) - A crash at Wiley Boulevard and 16th Avenue Southwest impacted the traffic control box, which Cedar Rapids Police say caused the traffic lights there to stop working.

MONROE CO., Pa. - Route 611 has cars flowing through it once again after work began in August to get the road reopened. The work initially delayed by the need for special permits from the national ...

The traffic lights were slowed down. Traffic signals had been timed for cars and trucks at 25 miles per hour. The city reset them to 15 m.p.h.