County Route 571 (CR 571) is a county highway in the U.S. state of New Jersey. The highway extends 43.96 miles (70.75 km) from Route 37 in Toms River Township to Route 27 in Princeton. Though it is designated a north–south county route by the New Jersey Department of Transportation (NJDOT), it is signed both as north–south and east–west inconsistently.