The Shanghai Metro is a rapid transit system in Shanghai, China, operating urban and suburban rail transit services to 13 of its 16municipal districts. Opening in 1993 with full-scale construction extending back to 1986, Shanghai Metro is the third oldest rapid transit system in China, after the Beijing Subway and the Tianjin Metro. It has seen substantial growth, significantly during the years leading up to the 2010 Shanghai World Expo, and is still expanding, with its most recent expansions having opened in December 2015. 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 Cityin Pudong. The metro system is also heavily tied with other forms of public transport in Shanghai.
Currently, the Shanghai Metro system is the world’s largest rapid transit system by route length and second largest by number of stations with 14 lines and 364 stations totaling 588 kilometres (365 mi). It also ranks second in the world by annual ridership after the Beijing Subway, with 3.4 billion rides delivered in 2016. The daily ridership record was set at 11.867 million on April 28, 2017, while over 10 million people use the system on an average workday.