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The is a Japanese Shinkansen high-speed train type operated by West Japan Railway Company (JR West) on the Hokuriku Shinkansen since it was extended from to in March 2015. Jointly developed alongside the similar JR East E7 series, a total of ten 12-car W7 series sets (120 vehicles) have been built. The first W7 series train was delivered in April 2014.〔 ==Design== Based on the earlier E2 series trains, the W7 series trains were designed with a "Japanese" theme inside and out, combining futuristic styling with traditional design elements overseen by industrial designer Ken Okuyama together with Kawasaki Heavy Industries. Externally, the roof is finished in a "sky blue" colour, and the bodysides are "ivory white" with "copper" and "sky blue" lining. The bodyside logos consist of a number "7" in silver stylized as an arrowhead, and include the lettering "West Japan Railway Company".〔 File:Shinkansen W7 logo.JPG|Bodyside logo on car 11 Manufacture of the W7 series sets was shared between Hitachi in Kudamatsu, Yamaguchi, Kawasaki Heavy Industries in Kobe, and Kinki Sharyo in Osaka. The trains have a maximum design speed of , but in service operate at a maximum speed of on the Hokuriku Shinkansen, limited to on the Joetsu Shinkansen tracks between Omiya and Takasaki, and to on the Tohoku Shinkansen tracks between Tokyo and Omiya.〔 Increased power output enables the trains to maintain speeds of at least on the steep gradients of the Hokuriku Shinkansen.〔 Car 12 (Gran Class) is equipped with full active suspension, and the other cars are equipped with semi-active suspension.〔 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「W7 Series Shinkansen」の詳細全文を読む スポンサード リンク
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