The Toei Subway is a rapid transit system in Tokyo, Japan, operated by the Tokyo Metropolitan Bureau of Transportation. It consists of four lines: the Asakusa Line, Mita Line, Shinjuku Line, and Oedo Line, serving various districts and connecting with other train services. Opened in 1960, the Toei Subway plays a crucial role in Tokyo's public transportation network, providing efficient travel for millions of passengers daily. The system is known for its punctuality, cleanliness, and accessibility, making it a vital component of urban mobility in the bustling metropolis.