 After crossing the mountain, CR 517 runs through a mix of farm fields and residential neighborhoods.Upon crossing the Musconetcong River, CR 517 enters Hackettstown in Warren County and immediately intersects the eastern terminus of Route 57.At this intersection, Route 24 signage along CR 517 ends and the county route continues north along with Route 182 on Mountain Avenue, a four-lane undivided road that passes several businesses.