Design & Construction Standards

Traffic and Safety Resources


photo of a roundabout

Roundabout Benefits

Alaska had no roundabouts in 2000. Today we have sixteen and counting. They are being installed because they are safer and in most cases, cause less delay for motorists than conventional intersections. They are also environment-friendly, attractive as a landscape feature, and use no electricity to operate (as traffic signals do). According to a study by the Insurance Institute for Highway Safety, roundabouts reduce injury accidents by 75%, and incapacitating injury or fatal accidents by as much as 90% when compared to intersections with traffic signals or stop signs. For these reasons, the Alaska Department of Transportation and Public Facilities will soon adopt a “Roundabout First” policy, which will require designers to provide a written justification of any decision to install a traffic signal instead of a single lane roundabout. Installing more single lane roundabouts is one of the action plans in the Alaska Strategic Highway Safety Plan, completed in 2007.

From the first Alaska roundabout, installed on Front Street in Juneau in 2001, to the most recent series of three roundabouts installed in North Pole in 2007, to the roundabout to be installed in Sitka in 2009 and all those planned for coming years, Alaska‘s intersections are changing for the better.

Alaska Roundabouts (Click links below for photos)

More Information on Roundabouts