Add Yahoo as a preferred source to see more of our stories on Google. (WHTM/NEXSTAR) – On many traffic signals found throughout the United States, there is a small light that is placed in between or ...

The concept of the traffic light actually dates all the way back to the 1860s, where gas-lit signals were placed on the posh streets that lined the Houses of Parliament in London. Of course, back then ...

Red, yellow and green have become the universal symbols for stop, slow and go – but what does white mean? Researchers from North Carolina State University proposed adding a new color, white, to ...

There's a new pedestrian crossing signal in town. Rather than relying on long-standing laws requiring motorists to stop for pedestrians in a crosswalk, the Pedestrian Hybrid Beacon uses yellow and red ...

If you are in your car, driving through an intersection with traffic lights, you're accustomed to looking for a few types of signals — usually green, yellow, and red lights or turn arrows. These ...