The Yokohama Municipal Subway is a rapid transit system serving the city of Yokohama, Japan. It consists of two main lines: the Blue Line and the Green Line, which connect various neighborhoods and key locations within the city. The subway is known for its efficiency, cleanliness, and punctuality, making it a popular choice for commuters and visitors alike. Opened in 1972, the subway has expanded over the years to accommodate the growing population of Yokohama. It features modern trains and well-maintained stations, providing easy access to attractions such as Yokohama Chinatown and the Minato Mirai district.