Traffic lights help traffic flow by directing specific lanes to go and others to stop. Some are more complex and include signals for buses. But at the end of the day, they're devices with red, yellow, ...

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...

While we may be used to seeing cameras on top of traffic lights at major intersections, they're used for more than simply watching out for red-light runners. In fact, there are two main types of ...