In the U.S., a yellow light comes up only in between the transition from green to red. That's not the case in several parts ...

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, ...

Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

Some things are so ubiquitous that it's easy to forget they're designed for a reason. With more than 300,000 traffic lights set up across the United States, it's easy to take how they look for granted ...

Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

HIGH POINT, N.C. (WGHP) — For many drivers on the road, the flow of traffic and traffic lights can really make or break a commute. The City of High Point is now gearing up to take a closer look at its ...