Line 20 is a rapid transit line in the Shenzhen Metro system. The line connects with the .
Construction started on 24 November 2016. The National Development and Reform Commission approved the project in March 2020. It opened on 28 December 2021, after being delayed since 2018.
Stations
Phase 2
The under planning Phase 2 of Line 20 will add 11 stations from to . The line is 24.9 km in length. Construction is planned to begin in 2023.
Rolling stock
Line 20 currently uses 9 sets of Size A subway trains in eight car sets (no. 2001–2009) with a maximum speed of . It's the first time that Shenzhen Metro use GoA4 automatic train operation. The GoA4 construction standard is applied to Phase I of Shenzhen Metro Line 20, which can fully achieve the automatic operation of unattended trains after opening, and the trains can also automatically sleep, wake up and conduct self inspection. In addition, the train also has more than ten functions, such as train stop control, door platform door alignment isolation, etc.