County Route 539 (CR 539) is a county highway in the U.S. state of New Jersey. The highway extends from Main Street (U.S. Route 9 or US 9) in Tuckerton to CR 535 in Cranbury Township. Much of the two-lane route passes through isolated areas of the Pine Barrens and the eastern end of the Fort Dix entity of Joint Base McGuire–Dix–Lakehurst. In these stretches, the route has a speed limit of , one of the few two-lane roads in the state to carry a 55 mph limit. CR 539 passes through three boroughs: Tuckerton, Allentown, and Hightstown. Other than those boroughs, the route travels mainly through rural townships. Route description CR 539 begins at an intersection with US 9 in Tuckerton, Ocean County, heading north on two-lane undivided North Green Street. South of US 9, the road continues as CR 603. The route passes through residential areas as it becomes the border between Little Egg Harbor Township to the west and Tuckerton to the east before fully entering Little Egg Harbor Township. CR 539 heads through decreasing residential development as it heads into the densely forested Pine Barrens and intersects CR 602 prior to an interchange with the Garden State Parkway. Following this interchange, the speed limit of the road rises to , the route comes to a junction with CR 606, and passes through the rural Pine Barrens for several miles. Upon crossing into Stafford Township, the road passes through the small residential community of Warren Grove, where it intersects CR 608. From here, CR 539 passes through more forest, intersecting CR 610 before becoming Warren Grove-Whiting Road entering Barnegat Township and crossing Route 72/CR 532. After this intersection, the road continues north and passes through Lacey Township as Cedar Bridge-Whiting Road before entering Manchester Township and becoming Roosevelt City Road. The route passes near a few wooded areas of homes before running through more forest, crossing a New Jersey Seashore Lines railroad line, and passing housing developments and businesses in the community of Whiting. Here, CR 539 intersects CR 530 and forms a brief concurrency with that route, passing businesses as it comes to the Route 70 junction. At this point, CR 530 turns west along Route 70 and CR 539 heads northwest into more of the Pine Barrens on Whiting-New Egypt Road, becoming Pinehurst Road at the CR 14 junction. The route briefly passes through Jackson