...By using advanced design standards such as access control, grade separation, two-way separation, and other features, they enable high-speed, non-stop, large, long-distance vehicle travel, and are the backbone of the nation. National highways complement expressways to form a national trunk road network, and are infrastructure facilities that connect prefectural capitals, important cities, cities with populations of 100,000 or more, important ports, airports, international tourist destinations, etc. Prefectural roads form regional trunk road networks, connecting cities or towns with populations of 5,000 or more, important ports, regional ports, second and third-class fishing ports, regional airports, major train stations, major tourist destinations, etc. *Some of the terms mentioned in the "main road network" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…出入制限,立体交差,往復分離,その他の高度な設計基準によって,高速,ノンストップ,大型,長距離の自動車走行を可能とし,国土の骨格となるものである。 一般国道は高速道路を補完して全国幹線道路網を構成し,都道府県庁所在地,重要都市,人口10万以上の市,重要な港湾,空港,国際観光地等を相互に結ぶ国土の基盤施設である。 都道府県道は地方的な幹線道路網を形成し,市または人口5000以上の町,重要港湾,地方港湾,第2・3種漁港,地方空港,主要鉄道駅,主要観光地などを相互に結ぶものである。… ※「幹線道路網」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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