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

Drivers in certain areas of Florida like Gainesville, Fort Myers, Orlando, and Collier County, have begun noticing odd little blue lights mounted on the top of some traffic signals. What are they ...

What do you think of a fourth traffic light color being added to traffic signals for self-driving vehicles to help control traffic flow? I get that one day a bunch of connected autonomous cars may ...