Tokyo Metro eyes extending 2 subway lines to ease congestion | The Asahi Shimbun: Breaking News, Japan News and Analysis asahi.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from asahi.com Daily Mail and Mail on Sunday newspapers.
「品川～白金高輪地下鉄」「有楽町線延伸」いよいよ？ 期待と慎重論 [東京インサイド]：朝日新聞デジタル asahi.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from asahi.com Daily Mail and Mail on Sunday newspapers.
地下鉄有楽町線など延伸 東京メトロ主体で 審議会答申 nhk.or.jp - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nhk.or.jp Daily Mail and Mail on Sunday newspapers.