CR 517 runs concurrent with Route 182 to its north end at US 46, and turns west with US 46 before splitting in downtown Hackettstown.

Immediately at that intersection, CR 517 becomes concurrent with Route 182, but is maintained by the New Jersey Department of Transportation.

The highway progresses northward, passing some small commercial buildings and arriving at the largest free-standing shopping center in Hackettstown, across from Shelley Drive.

[2] Route 182 continues northward, passing several small businesses and side streets, as well as the main entrance to the Union Cemetery.

CR 604 is also signed as Willow Grove Street, and heads northwest out of the intersection.

[2] Route 182 was originally defined as a segment of a spur of the Washington Turnpike.

The stretch of road was later signed as the head of the Lackawanna Trail, running from Hackettstown to Binghamton, NY.

The final change in highway alignment around Hackettstown occurred on October 9, 1969.