Philadelphia is one of the most walkable cities in the United States — Old City, Center City, and the Benjamin Franklin Parkway attractions are all accessible on foot. For longer trips, SEPTA's Market-Frankford Line (east-west) and Broad Street Line (north-south) cover the major visitor corridors. The PHLASH bus connects major attractions from March through December for a low flat fare. SEPTA's Airport Line connects Philadelphia International Airport (PHL) to Center City stations in about 25 minutes for a flat fare — it is by far the fastest, cheapest, and most reliable way to get from the airport to your hotel. Rideshares from the airport during peak hours can cost several times as much and