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The is a national expressway in the Chūbu region on the island of Honshū in Japan. It is managed by Central Nippon Expressway Company. ==Overview== Tōkai and Hokuriku are the names of the two regions of Japan that are linked by the expressway. The expressway begins at a junction with the Meishin Expressway to the northwest of the Nagoya urban area and follows a northerly course into Gifu Prefecture, passing the capital Gifu and heading further north into the mountainous Hida region. The expressway also passes by Shirakawa-gō and Gokayama, two UNESCO World Heritage Sites straddling the border between Gifu Prefecture and Toyama Prefecture. The expressway continues north through western Toyama Prefecture to its terminus at a junction with the Hokuriku Expressway and the Nōetsu Expressway. The first section of the expressway was opened to traffic in 1986. The final section of the expressway (25 km between Hida-Kiyomi Interchange and Shirakawagō Interchange) was opened on July 5, 2008.〔(【引用サイトリンク】 title= Opening of Completed Expressway )〕 A major component of this section is the Hida Tunnel, the second longest road tunnel in Japan〔(【引用サイトリンク】 title= 2005 Activity Report )〕 after the Kan-Etsu Tunnel. A total of 1.22 trillion yen was spent on planning and construction of the expressway over 36 years. The expressway is 4 lanes from Ichinomiya Junction to Fukubegatake Parking Area, and 2 lanes on all other sections. Construction to expand the route to 4 lanes is currently underway on the section between Fukubegatake Parking Area and Shirotori Interchange.〔(【引用サイトリンク】 title= NEXCO-Central Business Outline )〕 The speed limit is 80 km/h on 4-laned sections and 70 km/h on 2-laned sections.〔 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「Tōkai-Hokuriku Expressway」の詳細全文を読む スポンサード リンク
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