The
Shanghai Metro is a
rapid transit system in
Shanghai, China, operating urban and suburban rail transit services to 14 of its 17
municipal districts (except
Fengxian,
Jinshan and
Chongming) and to Huaqiao Town,
Kunshan,
Jiangsu Province. Opening in 1993 with full-scale construction extending back to 1986, Shanghai Metro is the third oldest rapid transit system in
mainland China, after the
Beijing Subway and the
Tianjin Metro. It has seen substantial growth over the decades, especially during the years leading up to the
2010 Shanghai World Expo, and is still expanding, with its most recent expansions having opened in . It is the largest component of the Shanghai metropolitan rail transit network, together with the
Shanghai Maglev Train, the
Zhangjiang Tram and the
China Railway-operated commuter rail services to
Jinshan and to
Lingang New City in
Pudong.