Wintry weather Sunday morning made roads slippery throughout the north country.
Four accidents were reported in St. Lawrence County, all within about an hour.
One was on State Route 68 in the town of Lisbon.
The driver of the Chevrolet Traverse was taken to Canton-Potsdam Hospital.
Her car was eastbound and struck a westbound Walmart tractor-trailer.
The driver of the SUV is expected to be ticketed for failure to keep right.