The roundabout at River and Roberts Rds. in Lake Barrington, IL is open ahead of schedule!
http://www.dailyherald.com/article/20151023/news/151029355/
MTJ Roundabout Engineering provided the roundabout and traffic analysis, horizontal design, signing and pavement markings for Phase I (IDS) and Phase II for this challenging and constrained intersection in this developing village of Lake Barrington in Lake County, IL.