The Shanghai Metro (Chinese: 上海地铁; pinyin: Shànghǎi Dìtiě; Shanghainese: Zaon6he5 Di6thiq7) is a rapid transit system in Shanghai, operating urban and suburban transit services to 14 of its 16 municipal districts and to the neighboring township of Huaqiao, in Kunshan, Jiangsu Province.

Line 16 is a rapid transit line serving the south-eastern suburban areas of Shanghai. The line was formerly known as the Lingang line. It was originally designated as Line 21 and was planned as the south part of line 11. The line runs entirely in Pudong New Area, starting from Longyang Road, via Shanghai Wild Animal Park, Huinan Town, ending at Dishui Lake in Nanhui New City. The line is 59 km (37 mi) long and has 13 stations of which three are underground and the rest elevated. Construction begun in early 2009, and the line opened on 29 December 2013. The second phase was completed at the end of 2014.