Broad Street is a major arterial street in Philadelphia, Pennsylvania. The street runs for approximately 13 miles (21 km), beginning at the intersection of Cheltenham Avenue on the border of Cheltenham Township and the West/East Oak Lane neighborhoods of North Philadelphia to the Philadelphia Navy Yard in South Philadelphia. It is Pennsylvania Route 611 along its entire length with the exception of its northernmost part between Old York Road and Pennsylvania Route 309 and the southernmost part south of Interstate 95.