Line 23 (Shanghai Metro)

Line 23 is an under construction Shanghai Metro line that would run from in Xuhui District to  in Minhang District. Its It is planned to be 29 km in length, and is planned to have 22 stations. The line was announced by the Shanghai municipal government in 2016. It will adopt unmanned driving (GoA4).

The line will not utilise the existing branch Line 5 service between and  stations, with the line planned to be fully underground. Once complete, it will feature interchange stations with Lines 3, 4, 5, 15, and 19. The construction period of this project is expected to be 74 months.