You may have noticed some traffic lights with a white light that works independently of the others. They're not for normal ...

(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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...