Bradford Township Police say Kilby tried to avoid the collision, but the truck started to tip over and then landed on the back on the car in the east ditch on High Street.
Lannager and her passengers, 27-year-old Diana Causer and 4-year-old Alessia Norton, were taken to Bradford Regional Medical Center for treatment of moderate injuries. Kilby suffered minor injuries.
The Bradford Township Volunteer Fire Department, Bradford City Ambulance and PennDOT assisted at the scene.
Police are still investigating.
Photo provided to WESB by Bill Robinson