County Route 507, abbreviated CR 507, is a county highway in the U.S. state of New Jersey. The highway extends from Harrison Avenue (CR 508) on the Kearny-Harrison town line to the New York state line in Mahwah. Between Ho-Ho-Kus and Mahwah, this highway is known as Franklin Turnpike. At its northern terminus, County Route 507 continues north into New York as Orange Avenue, which is a portion of U.S. Route 202.