 Other intercity bus services include Megabus with stops at 30th Street Station and the visitor center for Independence Hall, BoltBus (operated by Greyhound) at 30th Street Station, OurBus at various stops in the city.Since the early days of rail transportation in the United States, Philadelphia has served as a hub for several major rail companies, particularly the Pennsylvania Railroad and the Reading Railroad.The Pennsylvania Railroad first operated Broad Street Station, then 30th Street Station and Suburban Station, and the Reading Railroad operated Reading Terminal, now part of the Pennsylvania Convention Center.