Early traffic lights had only red and green, which unsurprisingly made intersections rather chaotic. Who invented the yellow ...

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

Guide signs are green, but highway signs also come in many other colors. As previously mentioned, you can find yellow, orange ...

(WHTM/NEXSTAR) – On many traffic signals found throughout the United States, there is a small light that is placed in between or off to the side of the traffic signal lights. Sometimes you see them ...

What do you think of a fourth traffic light color being added to traffic signals for self-driving vehicles to help control traffic flow? I get that one day a bunch of connected autonomous cars may ...

A nearly $30 million investment will go to communities all across Pennsylvania as part of the Green Light-Go Program.

WPTV’s Treasure Coast reporter Tyler Hatfield has been digging for answers about one problem intersection brought to our ...