An expressway that runs through the center of Honshu, connecting the Kanto, Chubu, and Kinki regions. It is managed by Central Nippon Expressway Co., Ltd. There are three routes: (1) the Fujiyoshida Line, which starts in Suginami Ward, Tokyo, passes through Hachioji City and Otsuki City, Yamanashi Prefecture, and ends in Fujiyoshida City (the interchange is in Fujikawaguchiko Town); (2) the Nishinomiya Line, which branches off from the Fujiyoshida Line in Otsuki City, passes through Kofu City, Suwa City, and Iida City in Nagano Prefecture, connects to the Tomei Expressway in Komaki City, Aichi Prefecture, and ends in Nishinomiya City, Hyogo Prefecture; and (3) the Nagano Line (Nagano Expressway), which branches off from the Nishinomiya Line in Okaya City, Nagano Prefecture, and connects to the Joetsu Line of the Kan'etsu Expressway in Chikuma City. The total length is 635 km, including 100 km between Suginami Ward and Fujikawaguchiko Town, 273 km between Otsuki City and Komaki City, 192 km between Komaki City and Nishinomiya City, and 76 km between Okaya City and Chikuma City. The sections between Uenohara City in Yamanashi Prefecture and Otsuki City, Kyoto City and Suita City in Osaka Prefecture, and Ritto City in Shiga Prefecture and Otsu City are six lanes, while the rest are four lanes. The Fujiyoshida Line was completed in 1976 (Showa 51), the Nishinomiya Line in 1982, and the Nagano Line in 1993 (Heisei 5). Among the routes, the Enasan Tunnel, which runs through the Central Alps on the border between Nagano and Gifu prefectures, is 8.6 kilometers long (the Kan'etsu Tunnel on the Kan'etsu Expressway is the longest in Japan at approximately 11.1 kilometers). The section of the Nishinomiya Line between Komaki City and Nishinomiya City is commonly known as the Meishin Expressway, and was completed in July 1965 (Showa 40) as Japan's first expressway. As of fiscal year 2010 (Heisei 23), the average number of vehicles using the expressway per day was 280,000. [Shimoho Osamu] [Reference items] | | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
本州中央部を通り、関東・中部・近畿の各地方を結ぶ高速道路。管理は中日本高速道路。(1)起点の東京都杉並区から、八王子市、山梨県大月市を経て、富士吉田市(インターチェンジは富士河口湖町)に至る富士吉田線、(2)大月市で富士吉田線と分岐し、甲府市、長野県諏訪(すわ)市、飯田(いいだ)市を経て、愛知県小牧市で東名高速道路に接続し、兵庫県西宮(にしのみや)市に至る西宮線、(3)長野県岡谷市で西宮線と分岐し、千曲(ちくま)市で関越自動車道上越線に接続する長野線(長野自動車道)の3路線がある。延長は、杉並区―富士河口湖町間100キロメートル、大月市―小牧市間273キロメートル、小牧市―西宮市間192キロメートル、岡谷市―千曲市間76キロメートルで、総延長は635キロメートル。山梨県上野原(うえのはら)市―大月市間、京都市―大阪府吹田(すいた)市間、滋賀県栗東(りっとう)市―大津市間は6車線、その他は4車線である。 富士吉田線は1976年(昭和51)に全通、西宮線は1982年に、長野線は1993年(平成5)に全通している。路線中、長野・岐阜県境の中央アルプスを貫く恵那(えな)山トンネルは、全長8.6キロメートルである(関越自動車道の関越トンネル約11.1キロメートルが日本で最長)。西宮線のうち、小牧市―西宮市間は名神高速道路と通称され、日本初の高速道路として1965年(昭和40)7月に全通している。2010年度(平成23)時点では、1日の利用台数は平均28万台であった。 [下保 修] [参照項目] | | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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