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

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 ...

Get the latest federal technology news delivered to your inbox. A “white light” added to traffic signals could enable self-driving vehicles to help control traffic flow—and let human drivers know what ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Fully self-driving cars, despite the claims of some companies, aren ...

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.