"Shanghai Subway Humans" Project
Served as a part of Shanghai rail transit, the Shanghai Metro system is the world's biggest metro system by route length, totaling 802 kilometres (498 mi).[5][c] It is also the second biggest by the number of stations with 396 stations on 19 lines.[a][b] It ranks second in the world by annual ridership with 3.88 billion rides delivered in 2019.[1] The daily ridership record was set at 13.29 million on March 8, 2019.[2] Over 10 million people use the system on an average workday.
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