South San Francisco is a Bay Area Rapid Transit station located in suburban South San Francisco, California in northern San Mateo County. It consists of two main tracks and a shared underground island platform.Station layoutService at the station began on June 22, 2003, as part of the BART San Mateo County Extension project that extended BART service southward from Colma to Millbrae and San Francisco International Airport.El Camino High School is located near the station along the opposite side of Mission Road, and Solaire Village, a 361-unit, mixed-use transit village that includes a Trader Joe's supermarket, is nearby. The station forms the current northern terminus of the Centennial Way Trail.