Fengtai District
The Fangshan Line of the Beijing Subway () is a rapid transit line in western Beijing that runs from in Fangshan District north and east to in Fengtai District. The line is . It is mainly elevated, including 10 elevated stations and 6 underground stations. It allows residents of Beijing's western suburbs to connect to the rest of the Beijing Subway network. It was opened on December 30, 2010.