ScottsdaleAZ.Gov

U.S. National

• FHWA Roundabout Guide
• Insurance Institute for Highway Safety publications:
  1. Status Report, May 13, 2000 (pdf/395kb/8pp)
  2. Status Report, July 28, 2001 (pdf/226kb/8pp)
• PUBLIC ROADS (Autumn 1995) – ROUNDABOUTS

Canada National

• Roundabouts Canada

Arizona

• Arizona Department of Transportation

California

• City of Calabasas, California   This site provides driver, bicycle, and pedestrian education material modeled after the FHWA Roundabout Guide.

Florida

• Clearwater, Florida   This website is an announcement for a past case study discussion but provides good information about the project.

Kansas

• City of Hutchinson, Kansas
• Kansas State University   This website has a nice database of photos and video clips from roundabouts in the United States and France.

Maryland

• Maryland Department of Transportation

New York

• New York State Department of Transportation

Oregon

• Lane County, Oregon   Beltline/Delta Highway Interchange (click on item in left frame). Comparison of signalized versus roundabout ramp terminals. Includes simulation clips.
• Oregon Department of Transportation
• City of Portland, Oregon

Other U.S. sites:

• Kittelson & Associates
• Parsons Brinkerhoff (Peter Doctors)
• Roundabouts & Traffic Engineering (RTE)
• RoundaboutsUSA   Site contains photos of roundabouts in Utah, Colorado, and abroad.
• TrafficCalming.org