1. Open platforms and carriages can make passengers get in and out of stations and carriages faster, and reduce the time of riding and queuing.

2. Barrier-free facilities, such as blind roads, barrier-free elevators and touch screens. , convenient for passengers with limited mobility.

3. Seat design, such as folding, rotating and adjustable height. , so that passengers of different sizes can sit comfortably.

4. Station broadcast system and electronic display screen enable passengers to know the arrival and departure information of the train in time.

5. Intelligent ride services, such as electronic maps, online navigation, station WiFi, charging facilities, etc. , making it easier for passengers to plan their trips and get information.

In addition to the above measures, you can also consider adding the following convenience measures:

1. Increase children's riding area and provide children's seats and toys to make parents and children ride more relaxed and happy.

2. Provide a self-service ticket vending machine to facilitate passengers to purchase tickets and recharge, and reduce the queuing time.

3. Add commercial facilities such as cafes, bookstores and canteens to facilitate passengers to shop, rest and read in subway stations.

4. Increase the number and frequency of trains, shorten train intervals and waiting time, and reduce congestion and queuing time.

5. Provide bicycle rental services and add bicycle parking areas to facilitate citizens to carry out multimodal transport.