(Fairfield Township)---One person was Air Cared and two others taken to the hospital by life squad after a multi-vehicle crash Tuesday morning on Northbound Route 4 at Headgates Road. The wreck happened just before 7:30am near the entrance to the Walden Ponds golfing community. One of the cars ended up in a ditch, while at least two other cars sustained heavy damage. Route 4 was blocked for nearly an hour, with traffic being detoured through Walden Ponds.