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The Sakhalin–Hokkaido Tunnel (or potentially bridge) is a proposed connection to link the Russian island of Sakhalin with the Japanese island of Hokkaido. Cost estimates by Russia, in the year 2000, put the project to span the strait at $50bn (US$ billion in ).〔 == Overview == On 16 January 2009, the Russian Vice-Minister of Transport, Andrei Nedossekov, confirmed that proposals are now under consideration in regards to the Sakhalin–Hokkaido Tunnel. His decision to invite Japanese companies to bid to become consortium members of a wide array of Russian rail infrastructure work, particularly the Sakhalin Tunnel (or bridge) to the Russian mainland could be taken as a nod towards future rail cooperation between Russia and Japan.〔(【引用サイトリンク】 title=Sakhalin link proposed )〕 The tunnel would span roughly 40–45 km between Cape Crillon in Russia to Cape Sōya in Japan. In comparison, the completed Seikan Tunnel links the Japanese islands of Honshu and the island Hokkaido. A further bridge in the north of the island would have to be created. Already a proposal for the Sakhalin Tunnel, has been announced by the Russian Government. Once on the Russian mainland, the rail link could connect to the rest of the Russian (and hence European) rail network, allowing for gauge changes. Running south, from Hokkaido, the line would connect with the Seikan Tunnel between Hokkaido and Honshu, currently the longest undersea tunnel in the world. This would allow connections to the rest of the Japanese rail network. The project could be seen as an alternative to the Japan–Korea Undersea Tunnel, as Russia is already under way with planning and construction of many of the necessary linkages on the Russian side, whilst the tunnel itself would be considerably shorter than that between Japan and Korea. As well as the great cost and engineering difficulty, there may be political problems, particularly in regards to the Kuril Islands dispute between Russia and Japan. The Japanese government's initial reaction has been cool towards the idea.〔(【引用サイトリンク】 title=Plan for Tunnel to Sakhalin Unveiled )〕 Russian officials again raised the idea of a bridge or tunnel to connect Sakhalin with Hokkaido in 2013. When combined with a potential bridge between Sakhalin and the Russian mainland, if built, it would be one of the final fixed links needed for a continuous rail corridor between Europe and Japan. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sakhalin–Hokkaido Tunnel」の詳細全文を読む スポンサード リンク
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