Around 2100hrs, the BFC was dispatched to I-476 NB around MM 11.2 for an accident w/injuries.  First arriving units found a SUV overturned in the right shoulder with one subject trapped in the driver’s seat.  Rescue & Squad 53 responded and initiated extrication of the driver who was transported by Marple EMS to an area hospital for treatment.  Assisting on scene was Radnor Fire Co. and PSP is investigating the cause of the accident.