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Expertise

Roundabouts

Work NCHRP 572: Roundabouts in the United States

NCHRP Report 572: Roundabouts in the United States

Moving Beyond Speculation into Measurement

  • Research
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Work FHWA TOPR 34: Accelerating Roundabout Implementation in the United States

FHWA TOPR 34: Accelerating Roundabout Implementation in the United States

Providing Answers to Hot Topics in Roundabout Practice

  • Design
  • Research
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Work Roundabouts: An Informational Guide, Second Edition

NCHRP Report 672: Roundabouts: An Informational Guide, Second Edition

Presenting the State of the Art in National Roundabout Practices

  • Design
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Work Crossing solutions for pedestrians with vision disabilities

NCHRP Project 03-78 Series: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities

Making Challenging Intersections Accessible to Everyone

  • Design
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Work barclay drive roundabout

US20-Barclay Drive Roundabout

Roundabout Rodeo Puts Big Rigs Through Their Paces

  • Design
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Work Cabrillo_Presentation

Cabrillo Boulevard Pedestrian and Bicycle Improvements

US-101 Roundabout Gets Californians to the Beach on Foot

  • Design
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Work

NW La Center Road/I-5 Interchange Improvements

A New Freeway Interchange in Just 10 Months

  • Design
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Work Effects-36th-Hill-Catalpa-Roundabout

Boise 36th Street/Hill Road/Catalpa Drive Roundabout

Five-Legged Intersection Gets Thrown a Dogbone

  • Planning
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Work Linder-3rd-Roundabout-Ground

Main Street Linder Avenue 3rd Street Roundabout

A Circular Gateway to Kuna's Revitalized Downtown

  • Planning
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Work Web-Effects-Inman-Sq-simulation

Inman Square Protected Roundabout

Creating the First Peanut-Shaped Roundabout

  • Design
  • Operations
  • Planning
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Work First Freeway Modern Roundabout

Giss Parkway Roundabout Final Design

Tight Space, Big Roundabout

  • Design
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Work Braddock Rd Pleasant Valley Roundabout

Braddock Rd/Pleasant Valley Rd Alternatives Analysis & Roundabout Design

Virginia Roundabout Eliminates 30-minute Waits

  • Design
  • Operations
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Ideas Peanutabout

The Peanutabout: Solving Cambridge’s Skewed Intersection

The intersection of Hampshire Street and Cambridge Street in Cambridge, Massachusetts’ busy Inman Square presents a familiar challenge for cities. Due to its low-angle skew,…

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