Roundabouts USARoundabouts USA
Roundabouts USA

Welcome to Roundabouts USA


This site is dedicated to free traffic flow through the design and use of roundabouts. Visit this site often to get the most recent news and information about the progress of roundabouts in the USA. There are currently around 5,000 modern roundabouts operating in the USA that were constructed since 1990. Hundreds more are constructed every year.

This roundabout site is provided to people interested in learning more about roundabouts: what they are, where they are currently located, how effective they are, and how they operate. Visit the Photo Gallery to view project examples (by various designers) of roundabouts constructed since 1990. Read articles about roundabout issues accross the USA. Find out if a roundabout is right for your location.

RoundaboutsUSA staff now has a roundabout design course in Spanish for cities in Mexico and Latin America. We presented a 2-day workshop in Spanish in Oaxaca, Mexico in 2012.

Bill Baranowski - Salt Lake City, Utah - This website was created by Bill in 1999 to showcase roundabout projects in the USA. Bill is a civil engineer and consultant designing roundabouts since 1995. Bill has helped design over 100 roundabouts constructed throughout the USA. His roundabouts include freeway interchange roundabouts, single-lane roundabouts, multi-lane roundabouts and the first roundabout in the USA incorporating light rail transit through the center. Current rail roundabout projects include the Valley Metro Gilbert Road Light Rail Extension roundabouts in Phoenix, AZ and the Rail roundabout in Healdsburg, CA.

Recent Articles

11.25.15: Dayton, OH
Roundabouts: What’s Their Purpose and Why Aren’t There More in the US?

11.25.15: Newark, OH
ew downtown roundabout opens to traffic

11.25.15: Newark, OH
Newark opens first roundabout in downtown project

11.25.15: Green Valley, AZ
GV joins national roundabout debate

11.25.15: Monterey, CA
Highway 68 roundabout will provide lasting benefits

Roundabouts USA is © Copyright Bill Baranowski