The Oedo Line is a subway line in Tokyo, Japan, operated by the Toei Subway. It is known for its circular route, connecting various districts in the city, including Shinjuku, Shibuya, and Roppongi. The line is fully underground and features modern trains, making it a convenient option for commuters and tourists alike. Opened in 2000, the Oedo Line spans approximately 40 kilometers and has 38 stations. It is particularly popular for its accessibility to major attractions, such as the Tokyo Tower and Ueno Park. The line is also notable for its unique design, featuring wide platforms and spacious cars.