The line connects Airport North with the Convention & Exhibition City.

[2] The National Development and Reform Commission approved the project in March 2020.

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.