How can Nanjing inquire about subway outage information?

The official WeChat account of the subway or the official WeChat account of Nanjing.

When the subway stops running, the staff will post information on the official WeChat account or the official WeChat account of a local city to remind users whether the subway is running normally or has stopped running.

When the subway stops serving the outside world, it means that the subway is temporarily suspended. You can't travel by subway. This usually happens because the subway needs to be overhauled.