 It is one of two stations from which Petco Park can be reached (the other being Gaslamp Quarter station).The station has historically been used as a major transfer point between the various Trolley lines, and is the only station that is directly served by all four Trolley lines.The Blue Line and the Orange Line are served by the station's island platforms, and the two lines split just south of this station to serve South Bay and East County, respectively.