Pattison Avenue at South 11th Street, Philadelphia, PA 19148: From Bucks County, Doylestown, Hatboro, Warminster, Willow Grove, Northeast Philadelphia: Take I-95 South to Broad Street and Exit 17 from the right hand lane. From Delaware, Maryland, Delaware County, Chester: Take I-95 North past airport and Navy Yard to Broad Street and Exit 17 from the right hand lane.