Junction

Japanese: junction
Junction

…A facility that allows traffic to cross, branch off, or merge on roads efficiently and safely. It is generally known as an entrance or exit to a highway, but even if it is an intersection or connection between ordinary roads, it is an interchange if it is a grade-separated intersection and has a connecting road. When expressways cross or connect with each other, it is functionally an interchange, but in Japan's intercity expressways, it is called a junction to distinguish it from an entrance or exit to an ordinary road. In addition, entrances and exits to urban expressways are often simply called ramps because the connecting roads that rise and fall on parallel streets are installed separately and do not form a single unified shape. …

*Some of the terminology that mentions "junction" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…道路上で交差,分岐,合流する交通を能率よく安全に走行させるための施設で,一般には高速道路の出入口の呼称として知られているが,一般道路相互の交差,接続部であっても,立体交差し,連結路をもっていればインターチェンジである。高速道路が相互に交差,接続するときも,機能的にはインターチェンジであるが,一般道路への出入口と区別するため,日本の都市間高速道路では,これをジャンクションjunctionと呼んでいる。また都市高速道路の出入口は,並行する街路に昇降する連結路が分散して設置され,一つのまとまった形を形成していないことが多いので,単にランプrampと呼ばれている。…

※「junction」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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