Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate movement at intersections.

Have you ever seen a traffic signal with black stripes or slats over the lights? While it may seem like just a random oddity, ...

State-level departments of transportation love putting funny or topical messages on digital traffic signs, but new rules at the federal level might bring the fun and games to an end. To be clear, this ...

US Route 20 starts in Boston, Massachusetts, and ends in Newport, Oregon. It's America's longest highway, measuring approximately 3,365 miles. However, nobody needs to drive for almost four days to ...