- Southern Terminus:
- New Jersey Turnpike (I-95) in Elizabeth
- Northern Terminus:
- US 1/US 9 in Elizabeth
- 1.18 miles
NJ 81 is a short expressway in Elizabeth that connects the New Jersey Turnpike (I-95) at exit 13A to the beginning of the expressway portion of US 1/US 9. It has only one interchange, a pair of exits for North Avenue and Dowd Avenue. It is signed solely in that there are begin and end shields along it and signage on the traffic lights on North Avenue and Dowd Avenue. Exit 13A of the turnpike is marked as being for Elizabeth Seaport and Newark Airport, while the split for NJ 81 on US 1/US 9 is marked as being for North Avenue, Dowd Avenue, and the turnpike.