Roundabout illustrated diagram of vehicles going through roundabout

The Montana Department of Transportation uses roundabouts to improve safety at many state highway intersections. Roundabouts reduce traffic delays, speed and accidents. They are part of the Vision Zero plan to eliminate deaths and injuries on Montana highways.

This website includes resources and reminders for using a roundabout.


Please email MDT's roundabout contact so we can answer it for you.

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Roundabout FAQs