In the fiscal year 2020, the Tozai Line was the strongest subway line of Tokyo Metro Co., Ltd. in terms of passenger payload distance, with *** billion passenger-kilometers approximately. It was followed by the Chiyoda Line, which had traffic of around *** billion passenger-kilometers. The total passenger payload distance amounted to roughly billion passenger-kilometers.
Public transportation in Tokyo is provided by numerous private, privatized, and government-owned enterprises. The two subway operators in the capital, Tokyo Metro and Toei Subway, are both public enterprises. While Tokyo Metro's tracks spanned over roughly *** kilometers, Toei Subway operated around *** kilometers in 2020.
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Tokyo Metropolitan Government. (April 25, 2022). Passenger payload distance of Tokyo Metro Co., Ltd. in Japan in fiscal year 2020, by subway line (in billion passenger-kilometers) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 03, 2026, from /statistics/1178167/japan-tokyo-metro-subway-passenger-transport-distance-by-line/
Tokyo Metropolitan Government. "Passenger payload distance of Tokyo Metro Co., Ltd. in Japan in fiscal year 2020, by subway line (in billion passenger-kilometers)." Chart. April 25, 2022. ÌÇÐÄÆÆ½â°æ. Accessed August 03, 2026. /statistics/1178167/japan-tokyo-metro-subway-passenger-transport-distance-by-line/
Tokyo Metropolitan Government. (2022). Passenger payload distance of Tokyo Metro Co., Ltd. in Japan in fiscal year 2020, by subway line (in billion passenger-kilometers). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 03, 2026. /statistics/1178167/japan-tokyo-metro-subway-passenger-transport-distance-by-line/
Tokyo Metropolitan Government. "Passenger Payload Distance of Tokyo Metro Co., Ltd. in Japan in Fiscal Year 2020, by Subway Line (in Billion Passenger-kilometers)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 25 Apr 2022, /statistics/1178167/japan-tokyo-metro-subway-passenger-transport-distance-by-line/
Tokyo Metropolitan Government, Passenger payload distance of Tokyo Metro Co., Ltd. in Japan in fiscal year 2020, by subway line (in billion passenger-kilometers) ÌÇÐÄÆÆ½â°æ, /statistics/1178167/japan-tokyo-metro-subway-passenger-transport-distance-by-line/ (last visited August 03, 2026)
Passenger payload distance of Tokyo Metro Co., Ltd. in Japan in fiscal year 2020, by subway line (in billion passenger-kilometers) [Graph], Tokyo Metropolitan Government, April 25, 2022. [Online]. Available: /statistics/1178167/japan-tokyo-metro-subway-passenger-transport-distance-by-line/