New Jersey State Route 15 is a north-south highway in Southern Sussex County. It runs from U.S. Rt. 206, near Branchville, to the Sussex/Morris County Line, near Sparta. NJ St Rt 15 passes through the following towns in Sussex County. Ackerson Woodruff's Gap Sparta NJ St Rt 15 is mutli-plexed in Sussex County. New Jersey State Route 94, near Ackerson. NJ St Rt 15 intersects the following highways in Sussex County. U.S. Rt. 206, near Branchville. New Jersey State Route 94, near Ackerson. New Jersey State Route 94, near Ackerson. New Jersey State Route 181, at Sparta.
