30th Street Station is a underground subway and trolley stop on SEPTA's Market-Frankford Line & the Subway-Surface Lines. Located below the intersection on Market Street between 30th and 31st Streets in the University City section of Philadelphia near Drexel University and the first station west of the Schuylkill River. The station has four tracks: two for the trolley side and the other two for the Market-Frankford trains. 30th Street Station is a free interchange station between the Subway-Surface Line & Market-Frankford Line by the mezzanine level which provides access to all four tracks. SEPTA buses serve 30th Street are Routes 9, 30, 31, 44, 62, 78, 124 & 125, as well as the LUCY Routes and access to all SEPTA's Regional Rail Lines at 30th Street Station, along with Amtrack.