Work
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US 20 at Tumalo Multi-Lane Roundabout
Addressing Intersection Challenges with a Multi-Lane Roundabout
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MassDOT Roundabout Guide
A Guide That's Changing the Way We See Roundabouts
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Findings From the City of Bend’s Roundabout Metering Test
Since the early days of modern roundabouts in the United States, this form of intersection control has grown in popularity as a cost-effective and often safer alternative…
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Bringing Modern Roundabouts to Maryland
How Ed Myers’ “circular reasoning” helped launch the first statewide roundabout program in the United States “What is a modern roundabout? Where are they used?…
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31st/Cowlitz Way Roundabout Expansion
A Roundabout Way to Modify a Crowded Interchange
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8 Creative Roundabout Projects for National Roundabouts Week
It’s National Roundabouts Week! To celebrate, we’re highlighting a few of our favorite roundabout design projects over the years. The Roundabout We Call “The Dogbone”…
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The Latest Tools in Roundabout Evaluation
Roundabouts continue to be constructed at a rapid pace in the United States. We have well over 5,000 roundabouts nationwide, and that number is quickly…
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The Story of the Temporary Roundabouts After Hurricane Florence
There was no way to fully prepare for the wettest tropical cyclone on record in the Carolinas. Hurricane Florence made landfall in September 2018. A…
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NCHRP Report 572: Roundabouts in the United States
Moving Beyond Speculation into Measurement
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FHWA TOPR 34: Accelerating Roundabout Implementation in the United States
Providing Answers to Hot Topics in Roundabout Practice
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NCHRP Report 672: Roundabouts: An Informational Guide, Second Edition
Presenting the State of the Art in National Roundabout Practices
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NCHRP Project 03-78 Series: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities
Making Challenging Intersections Accessible to Everyone
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US20-Barclay Drive Roundabout
Roundabout Rodeo Puts Big Rigs Through Their Paces
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Cabrillo Boulevard Pedestrian and Bicycle Improvements
US-101 Roundabout Gets Californians to the Beach on Foot
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NW La Center Road/I-5 Interchange Improvements
A New Freeway Interchange in Just 10 Months
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Boise 36th Street/Hill Road/Catalpa Drive Roundabout
Five-Legged Intersection Gets Thrown a Dogbone
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Main Street Linder Avenue 3rd Street Roundabout
A Circular Gateway to Kuna's Revitalized Downtown
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Giss Parkway Roundabout Final Design
Tight Space, Big Roundabout
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