Featured Projects

Here you will find a small sample of existing roundabouts designed by Ourston Roundabout Engineering, Inc. or Ourston Roundabouts Engineering Canada. Many of the roundabouts are on highways, at interchanges, or in succession along corridors, and have entries on one or more high-speed approaches.

For in-depth information on some of the important roundabout designs we have completed, please view our case studies. For more information on these and other projects we have completed, please Contact Us.

Projects in the USA

STH 114 / Winneconne Ave., In Progress (Neenah, WI)

Feasibility study and final design of four roundabouts in a high traffic area with tight right-of-way constraints.

US 41 Roundabouts, In Progress (Winnebago County, WI)

Design and construction of sixteen multilane roundabouts along USH 41 from STH 26 to Breezewood Lane

E. Pershing Blvd Corridor, In Progress (Cheyenne, WY)

Design of a five-legged, two-lane modern roundabout to address safety concerns.

Veterans Memorial, 2010 (Los Angeles, CA)

Initial study and final design for a five-leg roundabout with a landscaped center island.

Balch Springs Roundabout, 2010 (Dallas County, TX)

Five-leg, multi-lane roundabout with extensive public involvement

SR 89 / Road 4 South, 2009 (Chino Valley, AZ)

Intersection Control Study and construction of a two-lane roundabout

SR 179 Corridor, 2009 (Oak Creek & Sedona, AZ)

Eleven roundabouts along a nine-mile stretch of SR 179 - a “distinct and diverse road" designated by the U.S. DOT.

I-19/Canoa Ranch Interchange, 2009 (Pima County, AZ)

Design review of the roundabouts at the interchange of I-19 and Canoa Ranch Road

Cony Rotary, 2009 (Augusta, ME)

Rotary converted to to adhere to modern roundabout operating characteristics, addressing safety and capacity limitations.

STH 164/CTH Q Intersection, 2009 (Washington County, WI)

Rural high speed intersection redesigned for crash reduction.

I-70 / Edwards Interchange, 2008 (Edwards, CO)

Design and review of a roundabout interchange to ensure the proper implementation of roundabout technology.

Marquette Road Roundabouts, 2008 (Prairie du Chien, WI)

Design and review of three closely spaced roundabout intersections

Los Alamitos Circle, 2006 (Long Beach, CA)

Alternative improvement concepts and marking options for a very large four-leg urban hybrid (1934 traffic circle/1992 roundabout).

Britton Parkway, 2006 (Hilliard, OH)

3 roundabout corridor extension for Britton Parkway into a prestige office employment area.

Projects in Canada

Armdale Rotary, 2008 (Halifax, NS)

Five leg rotary modified to conform to modern roundabout principles.

Ira Needles Blvd, 2004 (Waterloo Region, ON)

Six roundabout corridor - first roundabout completed in 2004 with others in construction.

Wilson St / Meadowbrook Dr, 2002 (Ancaster, ON)

Single-lane roundabout located between the low-speed village of Ancaster and the high-speed approach from Highway 403.

Sort projects by state/province.