City skyline bus and subway line information?

Beijing Metro is an urban rail transit system serving China and Beijing, and it is also a member of the International Metro Union. Its first line was officially opened on June 5438+097115, making Beijing the first city in China to open a subway. As of February 202 1 65438, Beijing subway operation lines *. There are 1 1 lines under construction in Beijing subway. By 2025, Beijing Metro will form a rail transit network with 30 lines and a total length of 1 177 km. In 20 17, the annual passenger traffic of Beijing subway will reach 4.53 billion passengers, with an average daily passenger traffic of 12465438+. Maximum passenger traffic per day 13274600. As of 202165438+February, the maximum daily passenger volume of Beijing subway was 13753800.