“进博会5G+智慧地铁平台”上线 首次实现5G网络的民用化 - 2019年11月01日

The closest Metro station to the National Exhibition and Convention Center, venue for the second China International Import Expo, is expecting around 150,000 passengers a day during the event.
Staff numbers at the East Xujing station on Line 2 have been doubled and they will be assisted by 5G technology.
In the station's control room, six large screens have been installed. Each screen has a unique feature to help staff organize passenger flow.