CR 524 continues into Upper Freehold Township in Monmouth County and runs through wooded areas of residences before crossing into Allentown. The route intersects CR 28 and turns northeast onto Main Street, passing more homes. After running near Connies Millpond, CR 524 forms a concurrency with CR 539, with the two routes continuing along Main Street to a short overlap with CR 526. The road leaves Allentown for Upper Freehold Township and enters farmland as it intersects CR 526 Spur. A short distance later, CR 524/CR 539 reaches an interchange with I-195. At this point, the name of the road becomes Stage Coach Road and it forms the border between Robbinsville Township, Mercer County to the west and Upper Freehold Township, Monmouth County to the east briefly before CR 524 splits from CR 539 by turning east and fully entering Upper Freehold Township, retaining the Stage Coach Road name. CR 524 continues through open agricultural areas with a few homes, intersecting CR 43. The road heads into a mix of farms, woods, and residences as it enters Millstone Township and comes to a junction with CR 571. At this point, CR 571 joins CR 524 and the two routes make a sharp turn to the southeast into wooded residential areas, turning east at an intersection with Red Valley Road/Spring Road. CR 571 splits from CR 524 by turning south on Millstone Road, with CR 524 heading northeast and entering areas of farmland. The route heads into wooded areas of homes before reaching an intersection with CR 537, at which point CR 524 joins CR 537. The two routes head northeast along Monmouth Road, forming the border between Millstone Township to the northwest and Freehold Township to the southeast. Upon crossing CR 527, the road forms the border between Manalapan Township and Freehold Township as passes near farms and homes.