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What are roundabouts? A transportation engineer explains the safety benefits of these circular intersections

  • Written by Deogratias Eustace, Professor of Civil, Environmental and Engineering Mechanics, University of Dayton
What are roundabouts? A transportation engineer explains the safety benefits of these circular intersectionsA large roundabout in China.Jiojio/Moment via Getty Images

If you live on the East Coast, you may have driven through roundabouts in your neighborhood countless times. Or maybe, if you’re in some parts farther west, you’ve never encountered one of these intersections. But roundabouts, while a relatively new traffic control measure, are c...

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