Construction of extensions of Tokyo Metro Yurakucho Line and Namboku Line begin, Japan November 5, 2024 | Asia Pacific News, News Tokyo Metro Company Limited has commenced construction of the extensions of Yurakucho Line and Namboku Line. Passenger services on these extensions are expected to commence in mid-2030s. Yurakucho Lin... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password