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Route 1 or the Ring Road ((アイスランド語:Þjóðvegur 1 or Hringvegur)) is a national road in Iceland that runs around the island and connects most of the inhabited parts of the country. The total length of the road is . Some of the most popular tourist attractions in Iceland, such as the Seljalandsfoss and Skógafoss waterfalls, and Jökulsárlón glacier lagoon, are also on or near the Ring Road.〔(【引用サイトリンク】url=http://www.guidetoiceland.is/about-iceland/article/best-attractions-by-the-ring-road-of-iceland )〕 The ring was completed in 1974, coinciding with the 1100th anniversary of the country's settlement when the longest bridge in Iceland,〔http://www.vegagerdin.is/vefur2.nsf/Files/Vegakerfid_english/$file/ATTRJY5V.pdf〕 crossing the Skeiðará river in the southeast, was opened. ==Characteristics== For almost all its length, the road is two lanes wide: one lane going in each direction. Where it passes through larger towns, the number of lanes may be increased, as also in the Hvalfjörður Tunnel. Many smaller bridges are single lane, especially in eastern Iceland, and constructed of wood and/or steel. The road is paved with asphalt for most of its length, but there are still stretches in eastern Iceland with an unpaved gravel surface. The Iceland Road Administration, Vegagerðin, oversees the maintenance and building of both main roads and minor roads. Although paved, some portions of the road are still the original 1940s country roads, and contain hazards such as blind curves and blind summits, single lane bridges, and narrow passes. In winter, icy roads and sheer winds, 15 m/s for cars with trailers, 25m/s for cars without trailers, can make travel hazardous, as elsewhere in Iceland. Currently, 32 km out of the 1,332 km are unpaved. The maximum speed on most of the road is , and on gravel. 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「Route 1 (Iceland)」の詳細全文を読む スポンサード リンク
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