CINCINNATI -- Tri-State traffic is going in circles, and it doesn’t appear to be stopping anytime soon. More than 30 years after Clark Griswold spent an entire day circling London’s famous ...

Engineers, planners and decision-makers worldwide noticed that these roundabouts improved traffic flow, reduced congestion and improved safety at intersections. Roundabouts then spread throughout ...

Video: Infuriating traffic jams that appear for no reason can be replicated on the test track (Footage courtesy Mathematical Society of traffic flow in Japan) Traffic that grinds to a halt and ...

Construction has drivers delayed on Kentucky 9 in Newport, but the installation of two new roundabouts next fall should provide plenty of relief.