27
NJ-27's Northern Terminus is at NJ-21 in Newark.
A view of NJ-27's north end. There used to to be a Milepost END at Broad St. and NJ-21 before construction of the new viaduct began.
NJ-27's Southern Terminus is at US-206 in Princeton.
NJ-27 ends here at US-206. Milepost zero can be seen to the right.