TILTON, N.H. — Authorities are cleaning up thousands of gallons of spilled milk in a tanker crash on Interstate 93 in New Hampshire.

State police say the tanker was traveling south early Tuesday when the driver attempted to take the exit 20 off-ramp. The tanker rolled over and came to rest on its side, spilling approximately 3,500 to 4,000 gallons of milk.

Police said the driver, 64-year-old Gregory Rogers, was taken to a hospital with non-life-threatening injuries.

The cause of the accident is under investigation.

The vehicle is registered to Mountain Milk, of North Haverhill, New Hampshire.