One of the sites became study area with an introduced weevil to see how much of the plant the weevil might eat. A few holes in the leaves, but it doesn't look that significant.
Mile-A-Minute Vine, also called MAM or "Kudzu of the North", grows up to 6 inches a day, smothering everything in it's wake, including trees. It arrived in southwest Connecticut a few years ago and has spread to several other towns, including five known locations in Newtown, where the pictures below were taken by Ann Astarita:
Please keep your eye out for this plant and report any findings to the state or your local conservation office. MadGardeners.com has a great website about this terrible weed.