carmel.in.gov

xVWj1 TIL the city of Carmel, IN has the most roundabouts per city in the US, with a total of 138. Since regular intersections were replaced with roundabouts, the number of accidents here has reduced by 40%.
R7EL9 TIL Carmel, a city in Indiana, has the highest number of traffic roundabouts in the US. Since late 1990s the city has built 125 roundabouts.
jgwn TIL when a city in Indiana replaced all their signaled intersections with roundabouts, construction costs dropped $125,000, gas savings reached 24k gallons/year per roundabout, injury accidents dropped 80%, and total accidents dropped 40%.