WPSG, channel 57, is a CW owned-and-operated television station located in Philadelphia, Pennsylvania, United States. The station is owned by the CBS Television Stations subsidiary of CBS Corporation, and is part of a duopoly with CBS owned-and-operated station KYW-TV (channel 3). The two stations share a studio and office facilities located on Hamilton Street north of Center City Philadelphia, WPSG's transmitter is located in the Roxborough section of Philadelphia.