NORTH RIDGEVILLE, Ohio - When Lorain County’s first roundabout was proposed along the North Ridgeville/Avon border, local restaurateur Bud Hagy was skeptical. “I was against it at first,” he admits.

Have you ever approached a roundabout and had a driver in the circle stop to let you in? While people may do this with good intentions, it’s not how modern roundabouts are meant to be used.

EAGLE COUNTY, Colorado – Roundabouts work great to keep traffic flowing if drivers know how to use them. “But this is a tourist town,” 30-year-old Edwards resident Paul Veldheer said. “Nobody knows ...