In most of the world, roundabouts are a fact of life. Traffic enters one way, does a counter-clockwise do-si-do, and exits neatly without any trouble. However, notoriously car-loving Americans are one ...

Round and round and round they go, and when it will stop, nobody knows. As several roundabouts opened recently in central Ohio, work on others is underway. And plans for more are moving ahead as some ...