The Ohio Department of Transportation has released the results of a survey of crash data at 76 intersections around the state that had been converted to roundabouts.

The data shows single-lane roundabouts reduced injury-accidents by 69%. Multi-lane roundabouts reduced accidents by 25%.

The agency cites the Clark County intersection of State Routes 41 and 235 as one of the best examples.

Over the years, multiple safety upgrades were made to address a long history of serious crashes there with varying degrees of success.

Fatal crashes went up at one point, and it wasn’t until 2014, when a roundabout was installed, that injury crashes were reduced.

In fact, no fatal crashes have been reported in the 11 years since the roundabout was installed, and only a single serious injury crash occur

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