Governments mull funding of Tokyo metro extensions
https://www.railwaygazette.com/projects-and-planning/governments-mull-funding-of-tokyo-metro-extensions/59533.article
Though Shinagawa has been one of the important terminal stations in Tokyo, subway is not available from the station except for Keikyu's through service to Asakusa Line. So, extension of Namboku Line to Shinagawa will be welcomed.
