Subway Japan refers to the extensive urban transit system found in various Japanese cities, most notably in Tokyo. The subway network is known for its punctuality, cleanliness, and efficiency, making it a popular choice for commuters and tourists alike. It consists of multiple lines that connect key areas, including business districts, shopping centers, and cultural sites. The Tokyo Metro and Toei Subway are the two main operators of the subway system in Tokyo. Together, they cover over 300 kilometers and serve millions of passengers daily. The system features clear signage in multiple languages, making it accessible for non-Japanese speakers.