New Jersey State Route 68 is a north-south highway in Northern Burlington County. It runs from U.S. Rt. 206, near Mansfield, to Fort Dix. NJ St Rt 68 passes through the following town in Burlington County. Georgetown NJ St Rt 68 is not multi-plexed in Burlington County. NJ St Rt 68 intersects the following highway in Burlington County. U.S. Rt. 206, near Mansfield.