Shenzhen driverless metro train unveiled
24 May 2021
https://www.railwaygazette.com/vehicles/shenzhen-driverless-metro-train-unveiled/59155.article
One of the reasons why China installs driverless metro trains on some branching lines would be an estimated population reduction. China also prepares for aging society.
Though driverless trains are just installed on rail lines where train diagram is not complicated, there should be more driverless trains on main lines and congested lines along with technological development.