Montana Department of Transportation

Bigge Crane Megaload Permit Issued

A permit has been issued for a megaload to travel from Idaho through Montana to Great Falls. The move, planned for seven stages, will travel at night to minimize travel disruptions to others along the route. MORE INFORMATION

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Montana Traveler Information

What is a Roundabout?

Roundabouts are circular intersections that incorporates a new design that reduces traffic accidents, traffic delays and traffic speeds There are no traffic signals or stop signs in a round about. Most roundabouts have the following design features:

  • Yield at Entry - Traffic entering the roundabout yields the right-of-way to vehicles already in the roundabout.
  • One-Way Travel - Vehicles in a roundabout travel in one direction only (counterclockwise).
  • Central Island - A raised, painted, or landscaped central island.
  • Slower Speeds - Geometric features physically limit vehicle speeds to 25 mph or less.

Roundabout diagram