Montana Department of Transportation

ROUNDABOUTS

About Roundabouts

Purpose for Roundabouts

History of Roundabouts

How to Use a Roundabout

Pedestrian

Frequently Asked Questions

Roundabout Locations

When Turning Right:

Use only the right-hand approach lane, unless otherwise posted.
Keep to the outside of the circulatory roadway while driving in the roundabout.
If there are multiple exit lanes, use the right-hand exit lane.

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