New Jersey State Highway 19 is a state highway in New Jersey, United States. It runs from an intersection with United States Highway 46 in Paterson, New Jersey to Main Street in Paterson. It mainly serves as a connector between the Garden State Parkway and Interstate 80, and was once planned as the GSP Paterson Spur (explaining why it is exit 155P off the GSP). It was part of New Jersey State Highway 20 until January 5, 1988, when it was determined that the gap between it and NJ 20 would never be filled.