From Route 80, take exit 34B for Route 15 North. Continue traveling North on Route 15 until the exit for Weldon Road, Oak Ridge, Milton. Follow Weldon Road through the Mahlon Dickerson Park Reservation. As you come out of the Reservation you will see the Jefferson Middle School on the right, followed by the Jefferson High School. The Library is the second driveway on the left after the High School.
From Route 23, exit at Oak Ridge Road in West Milford. Oak Ridge Road will become Berkshire Valley Road. At the first traffic light on Oak Ridge Road turn right on to Ridge Road. Follow Ridge Road for about 3 miles and turn left on to Russia Road. There will be signs for the Jefferson Township Municipal Complex. Follow Russia Road until it ends into Weldon Road. Turn right on to Weldon Road and travel about a half mile. The library is the next driveway on the right, once you pass Wiegand Farms.