In-station navigation: Many subway systems have navigation systems at stations, including signs and electronic screens to help passengers find their destinations and exits. Barrier-free facilities: Many subway systems provide barrier-free access, wheelchair access, blind roads and other facilities for people with physical disabilities, so that they can get in and out of the station and take the train smoothly. Car arrangement: In order to facilitate passengers to get on and off the train, some subway systems will mark the station names on some cars of the train so that passengers can prepare in advance. Charging facilities: Some subway systems have charging facilities in stations or carriages for passengers to charge. Wi-Fi: Some subway systems provide free Wi-Fi, which is convenient for passengers to surf the Internet on trains or stations. Automatic ticket vending machines and self-service desks: Many subway systems are equipped with automatic ticket vending machines and self-service desks to facilitate passengers to purchase tickets and recharge their cards. Toilet and baby's room: Some subway systems have toilets and baby's rooms in stations or carriages to facilitate passengers to handle their personal needs. In addition to the above design and facilities, the subway can also add some convenience facilities, such as:
Free water dispenser: provide free drinking water for passengers to satisfy their thirst-quenching needs. Lounge: A place where passengers can rest, such as chairs and sofas. Air purification facilities: In order to improve the air quality in stations and carriages, air purification facilities can be added. Free luggage storage: provide free luggage storage service for passengers, so that passengers do not have to carry their luggage after sightseeing or shopping. Emergency medical facilities: provide passengers with emergency medical facilities, such as first aid kit, so that they can get help in an emergency. These are just some examples. There are many other possibilities for subway convenience facilities, depending on the needs of subway managers and passengers.