The New York State Thruway in Ulster County is jammed up Monday, due to an overturned tractor-trailer.

The southbound side of the NYS Thruway is backed up about 3 miles, roughly 2 miles south of Exit 18.

Our traffic reporter states that a tractor-trailer has overturned, and there are injuries invovlved. You are advised to take alternate routes: 208, Route 32, and Route 9W.

We will update when more information becomes avaialble.