Take Route 80 to Route 280 East to Exit 9 for West Orange.  Take the service road across Mt. Pleasant Avenue to the second light.  Turn right on to Northfield Avenue and, after proceeding through one light, you will see Seton Hall Prep on the left.  Continue PAST the school (up the hill) to the second light and turn left on to Prospect Avenue.  The parking area for the complex will be 400 yards ahead on the right.