The Tokyo Metro Tozai Line is a major subway line in Tokyo, Japan. It runs from Nakano Station in the west to Takeshiba Station in the east, covering a distance of about 30 kilometers. The line is known for connecting various important districts, including Shinjuku and Tokyo Station, making it a vital transportation route for commuters. Opened in 1964, the Tozai Line features 23 stations and operates on a standard gauge track. It is part of the Tokyo Metro network and is recognized for its efficiency and punctuality. The line is also equipped with modern amenities, enhancing the travel experience for passengers.