A 61-year-old Newtonville man drove his Jeep off an overpass in Foxboro but survived yesterday afternoon, state police said.Once on the road below, the 2015 Jeep Cherokee collided with a utility pole, knocking it down, cops said.The driver, who was the only person in the vehicle, sustained non-life-threatening injuries, according to a Foxboro Fire Department statement.The statement said the driver suffered a minor medical emergency about 4:40 p.m.