The New York Times

These Americans Are Just Going Around in Circles. It Helps the Climate.

CARMEL, Ind. — It’s getting harder and harder to run a stoplight here, because there are fewer and fewer of them around. Every year, at intersections throughout this thriving city, traffic lights and stop signs have disappeared, replaced with roundabouts. Lots and lots of roundabouts. There is a roundabout decorated with the local high school mascot, a greyhound, and another with giant steel flowers. A 3-mile stretch of Carmel’s Main Street has 11 roundabouts alone. The roundabout that locals pe