A traffic light outage is causing heavy traffic delays at the intersection of Loop 323 and Troup Highway near Walgreens.

Ever sat at a traffic light in the snow and wondered why your car wasn't triggering the lights? As it turns out, there's a very simple reason why it happens.

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, ...

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 ...

Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how ...