CASCO — A tractor-trailer rollover closed Route 11 for more than four hours Tuesday afternoon.

Chief John Small of the Casco Fire Department said that the tanker truck belonging to Poland Spring Water Co. overturned about 11:30 a.m. The driver, whose name was not released, was taken to Central Maine Medical Center in Lewiston with minor injuries.

Small said the accident occurred in the area of Coffee Pond Road and traffic was diverted until after 4 p.m. as crews worked to right the tractor.