New Jersey State Highway 59 is a very short state highway in New Jersey across the NJ Transit railroad on Lincoln Avenue in Cranford, New Jersey connecting Union County, New Jersey County Road 610 (South Avenue) with New Jersey State Highway 28 (North Avenue). It is 0.12 miles long, or about 630 feet. It was once proposed to extend southeast crossing the Garden State Parkway at exit 136 (Centennial Avenue) and then use Stiles Street to US 1/US 9; it was also planned north to Paterson. It is unsigned.