Line 14 of the Beijing Subway is a rapid transit rail line in the south and east of Beijing. The line is operated by the Beijing MTR Corporation Limited. Line 14's color is silver pink.

Line 10 of the Beijing Subway is the second loop line in Beijing's rapid transit network as well as the second longest and most widely used line. The line is 57.024 km (35.433 mi) in length, and runs entirely underground through Haidian, Chaoyang and Fengtai Districts, either directly underneath or just beyond the 3rd Ring Road. The Line 10 loop is situated between 2 and 6 kilometres outside the Line 2 loop, which circumnavigates Beijing's old Inner City. Every subway line through the city centre intersects with Line 10, which has 24 transfer stations along route, and 45 stations in all. Line 10's color is capri.