When standing at a crosswalk, you might press the button to cross and wonder if that button actually does anything. As it ...

For anyone who's ever been frustrated waiting at a red light when no other cars are coming — this article is for you.

Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate movement at intersections.

Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

Many of us dread having to go through that poorly timed intersection in our area where the light is red for several minutes, turns green just long enough to let maybe three cars through, then changes ...

You might think traffic light systems are fairly basic. After all, electric traffic signals first appeared all the way back in 1914. However, they have advanced significantly since their inception, ...

Murrysville officials have had problems in recent years with crashes on Route 22 causing damage to the electrical boxes that control several traffic lights along the highway. The municipality plans to ...