BREAKING NEWS: A jackknifed tractor-trailer is causing heavy delays on the New Jersey Turnpike. The incident appears to be on the northbound side of the highway south of Interchange 13. Watch News 12 and tune into our stories for more. . . . #News12 #NewJersey #BreakingNews #TrafficAlert #NJTurnpike #JackknifedTractorTrailer #LocalNews