Characteristics of Urban Subway Systems and Introduction to Famous Subway Systems

The subway is a type of urban rail transit tool that has advantages such as speed, large capacity, and punctuality. Different cities' subway systems have their own characteristics. Here are some common features.

Beijing Subway is the urban rail transit system of Beijing, the capital of China, with extensive network coverage and multiple lines, facilitating citizens' travel.
Shanghai Metro is the urban rail transit system of Shanghai, China, known for its extensive network coverage and multiple lines, meeting different travel needs.
Guangzhou Metro is the urban rail transit system of Guangzhou, China, with extensive network coverage and various lines, facilitating citizens' travel.