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.

(CBS DETROIT) — Anyone who has gotten behind a wheel knows the feeling of being stuck at a red light, and researchers are working on ways to reduce that occurrence. One way to do this is by changing ...

In the near term, things will remain red, yellow, and green, but this white light concept proves that AVs will one day upend ...

Researchers at North Carolina State University have proposed a fourth traffic light color that could save fuel and make traffic smoother. Here's how it works.

Q: What are the rules about crosswalks at intersections with signal lights? Many people think that if they are in a crosswalk and the light is green for the automobile, they can still cross. Please ...

A new study from the University of Massachusetts Amherst found that some 25% of drivers are not stopping at newly installed ...