What practical facilities can be added to the subway?

The subway can add the following convenience facilities:

1. Add USB charging sockets: Set up USB charging sockets in stations and carriages to facilitate passengers to charge during the journey.

2. Increase recyclable trash cans: Increase recyclable trash cans at stations and trains to encourage people to reduce the amount of waste.

3. Provide WiFi service: Provide public WiFi in carriages and stations for passengers to use, so that they can obtain network information at any time.

4. Set up vending machines: Set up vending machines in stations to sell water, drinks, small foods, snacks and other consumer goods to facilitate the needs of passengers.

5. Set up self-service terminals: such as self-service inquiry machines, self-service ticket vending machines, etc., to facilitate passengers to inquire about subway information, purchase tickets, and swipe cards to enter and exit the station.

6. Add independent washing rooms and changing rooms: provide changing and restroom facilities for the convenience of travelers and people dining out.

7. Add instruction signs: Broadcast real-time subway information, and set up instruction signs at stations, carriages and platforms to facilitate passengers to find more accurate entrances and exits.

8. Set up a small library: Set up a small library to provide passengers with reading materials and leave the noisy environment of the carriage.

In short, the subway needs some practical and targeted convenience facilities, which can be added or improved according to different social needs and usage habits.