Fire and EMS Units from Royersford joined multiple other agencies responding to an overturned vehicle on Route 422 in Upper Providence Township. Rescue 98 and 325-3 from RFD responding to the highway along with Upper Providence Department of Fire & Emergency Services, Black Rock Volunteer Fire Company, & Trappe EMS. Personnel arrived blocking the fast lane in each direction to find all occupants had self-extricated from the vehicle. Emergency apparatus remained onscene until the vehicle was up righted and towed from the median.