昌平区
Changping is served by four metro lines operated by Beijing Subway and one commuter line operated by Beijing Suburban Railway (BCR). Changping District is connected to the Beijing Subway System via Lines 5, 8, 13 and the Changping line. The Northern terminus of Changping line is Changping Xishankou, while at the other end the Changping line connects to Line 8 at Zhuxinzhuang and terminates at Xi'erqi on Line 13 in Haidian District. Moreover, Tiantongyuan has three stations on Line 5, while Huilongguan has three stations on Line 13 (Longze, Huilongguan, Huoying). Line 8 also contains five stations that lie in Changping District, one of which being the aforementioned Huoying. Future expansion will see the Changping line acquire seven more stations to the south, terminating on (the currently under construction) Line 12, as well as offering transfers to Line 15 and Line 10.