Douou Expressway
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| 道央自動車道, 道央道 | |
| Route information | |
| Length: | 413.6 km (257.0 mi) |
| Existed: | 1971 – present |
| Major junctions | |
| From: | Ōnuma Kōen Interchange in Mori, Hokkaido Pref. Route 149 |
| To: | Shibetsu-Kenbuchi Interchange in Kenbuchi, Hokkaido National Route 40
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| Location | |
| Major cities: | Muroran, Tomakomai, Chitose, Sapporo, Fukagawa, Asahikawa |
| Highway system | |
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National highways of Japan Expressways of Japan |
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The Hokkaido Expressway (道央自動車道 Dōō Jidōsha-dō) is a national expressway in Hokkaido, Japan. It is owned and operated by East Nippon Expressway Company.
The road is named the Dōō Expressway (lit. "Central Hokkaidō Expressway") in Japanese; however, its official English name is "the Hokkaido Expressway". It is the only national expressway in Japan in which the English name is not a direct romanization of the Japanese name (such as "Dōtō Expressway"). Its abbreviated name in Japanese is Dōō Dō (道央道, "[Hokkai]dō-Center Way").
Officially the expressway is designated as the Hakodate-Nayoro Route (函館名寄線) of the Hokkaidō Jūkan Expressway. The name Jūkan (縦貫, "lengthways") distinguishes it from the Trans-Hokkaido Expressway, the Ōdan (横断, "transverse").
The expressway connects the north of Hokkaido with the south via the city of Sapporo. Extension of the expressway in the north towards the city of Wakkanai and in the south towards the city of Hakodate is underway; although the Hokkaido Expressway itself is not planned to extend as far as these two cities, various expressway-standard roads (bypasses of National Route 40 to the north and National Route 5 to the south) will cover the remaining distances.
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