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

 

Our Software

ArcadyDue to unprecidented demand for the software we use, Ourston is proud to be an official resource and training center for state-of-the-art traffic modeling software.

Our dedication to these software packages is backed up by years of hands-on traffic engineering knowledge using these programs.

View our Webcams

Check out these live videos to see our roundabouts in action!