Tokyo Metro

Subway system in Greater Tokyo, Japan

The Tokyo Metro (Japanese: 東京メトロ) is a major rapid transit system in Tokyo, Japan, operated by the Tokyo Metro Co., Ltd. The system opened in 1927 as the Tokyo Underground Railway, becoming the first subway system in Asia. It is the larger of Tokyo's two subway operators, with an average daily ridership of 6.52 million; the other operator, the Toei Subway, carries approximately 2.85 million passengers per day as of 2023.

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