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Roundabout U
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Welcome!
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"Roundabout U" is an outreach program of Washington County to provide guidance and information on a variety of topics related to roundabout design and usage, including instructions for drivers, pedestrians, and cyclists.


The Modern Roundabout
FL Roundabout
A modern roundabout is one of several types of intersections in which traffic flows around a circular center island.

A modern roundabout is NOT the same as high-speed rotary interchanges, once common in the Northeast states. Rotaries are larger and operate poorly because they require merging to enter and require risky lane changes to exit. See Rotaries vs. Roundabouts.A modern roundabout also is NOT the same as a traffic circle or circle road, such as within the Tamarack Village shopping area in Woodbury, where lane changes may be made within the circle and circulating traffic makes right or left turns to exit the circle road. See Traffic Circles vs. Roundabouts.

At a modern roundabout, there is no merging because entering drivers must YIELD (wait until all traffic is clear before proceeding). There are no lane changes in a modern roundabout because, as with any other intersection, the correct lane must be chosen before entering.

Advantages of Roundabouts
Roundabouts have several advantages over signals and stop signs, including:
  • Fewer injury crashes and fatalities (no “t-bone” or head-on crashes).
  • Improved pedestrian safety (low speeds, fewer lanes to cross, traffic from only one direction).
  • Less vehicle delay and pollution (no waiting at red lights, complete stops rarely necessary).


In Washington County
Roundabouts within Washington County are located at:
  • Radio Drive (CR 13) at Bailey Road (CR 18) in Woodbury
  • U.S. 61 at Broadway Avenue (CR 2) in Forest Lake
  • U.S. 10-61 at Jamaica Avenue in Cottage Grove
  • Hargis Parkway east of Radio Drive in Woodbury (6 roundabouts)
  • St. Croix Trail (CR 18) in Lakeland and Lakeland Shores (3 roundabouts)
  • Lake Road at Settlers Ridge Parkway in Woodbury
  • State Highway 5 at Jamaca Avenue North in Lake Elmo.

Roundabouts are currently being constructed at:
  • State Highway 36 at Hilton Trail (CR 29) in Pine Springs
  • Woodbury Drive (CR 19) in Woodbury (2 roundabouts)
  • US 61 at 170th Street North (CR 4) in Hugo
  • Keats Avenue South (CR 19) at 70th Street South (CR 22) in Cottage Grove