North America’s pre-eminent roundabout design team

We design roundabouts to relieve traffic congestion, achieve high capacity, increase safety, slow high-speed roads, and upgrade freeway-to-street interchanges.

Recent News

Ourston Roundabout Engineering, Inc. wins award for educational driving simulator on using roundabouts.

Lief Ourston receives the Frank Blackmore Award for Lifetime Service in Promoting Roundabouts