Montana Department of Transportation

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Montana Traveler Information

When Turning Left or Making a U-Turn:

  1. Use only the left-hand approach lane, unless otherwise posted.
  2. Maintain your position relative to other vehicles. Stay to the inside of the circulatory roadway until you are ready to exit.
  3. As you exit the roundabout, look out for vehicles traveling on the outside of the circulatory roadway that may continue to circulate around the roundabout.