Colma is a Bay Area Rapid Transit station located in unincorporated northern San Mateo County, adjacent to the incorporated municipalities of Colma and Daly City. Situated in a small valley immediately adjacent to a BART rail yard, the station consists of three main tracks with a shared island platform and one side platform. Currently, only the island platform and two of the main tracks are in service.Before BART service was extended southward to Millbrae in 2003, Colma served as the southern terminal (now at Millbrae) on the San Francisco Peninsula for the BART system. The Pittsburg/Bay Point-SFO Line terminated there on all trips and Richmond-Millbrae line ended there at weekday rush hours.Service at this station began on February 24, 1996.Balboa Park became an official transfer station when Colma entered into service. On the way back to Dublin or Fremont, Daly City was a transfer point for Colma in 1996.
