When taking the subway, there are indeed many thoughtful designs, such as exit settings for users to get in and out of the station, avoiding congestion, clear platform signs and guidance systems. At the same time, there are a variety of seat types, as well as wheelchair access, barrier-free elevators and so on, which are convenient for different people. These designs not only facilitate people's travel, but also improve the safety and comfort of the subway.

However, what other convenience facilities can the subway add? Here are some possible suggestions:

1. Wireless charging equipment: With the popularity of electronic products such as smart phones, people's demand for charging is increasing. Therefore, adding some wireless charging devices, such as desktop wireless chargers or wireless charging devices on seats, will be very convenient for passengers and improve the service quality of the subway.

2. Fitness area: Some subway stations can be equipped with fitness facilities, such as hanging horizontal bars and sports equipment, to provide passengers with opportunities for exercise. This facility not only allows passengers to exercise while riding a car, but also provides a way for tired passengers to relax.

3. Art exhibition areas: some art exhibition areas are set up in some subway stations to provide a platform for the city's culture and art. Through the display of public art, people can feel the beauty and value of art during their travels, and at the same time provide artists with an opportunity to show their works.

4. Intelligent advertising screen: Set up some intelligent advertising screens in the subway station, which can play subway related information, city news, cultural propaganda films, etc. For the passengers. This facility can not only facilitate passengers to obtain information, but also improve the fashion sense and informatization level of subway stations.

Vending machines: In order to facilitate the shopping needs of passengers, some vending machines can be set up in the subway station, including selling drinks, snacks, books, daily necessities and so on. This facility can meet the shopping needs of tourists and provide new sales channels for businesses.

In a word, the subway, as a public transportation tool in the city, provides a convenient and quick way for everyone to travel. In order to better meet the needs of different groups, the subway still has a lot of room for development, which can increase more convenience facilities, further improve the service quality of the subway and improve the comprehensive competitiveness of the urban public transport system.