Multiple U.S. Counties Plan Roundabout Projects to Improve Road Safety

Several roundabout projects are underway or planned across the United States to improve traffic flow and enhance safety at key intersections. In Berks County, Pennsylvania, PennDOT plans to widen Route 222 to four lanes and add two new roundabouts at Richmond Road and Pleasant Hill Road, aiming to reduce crashes and congestion along the busy corridor between Reading and Allentown. In Clifton, Colorado, construction is progressing on a second roundabout at the intersection of U.S. Highway 6 and Fifth Street, with traffic recently shifted to accommodate ongoing work that is expected to continue into spring 2026. In Gorst, Washington, WSDOT is seeking public input on a proposed single-lane roundabout at the intersection of Highway 3 and Division Avenue to replace stop signs and reduce the incidence of dangerous T-bone crashes; construction could start in 2027. These projects highlight a broader trend of using roundabouts to improve road safety by calming traffic and minimizing severe collisions, while also incorporating pedestrian and bicycle infrastructure in some locations. The efforts reflect transportation authorities’ commitment to modernizing roadways with safer, more efficient designs.