also: ジェーシーティー
noun
junction; highway interchange
Used in road signs, maps, and traffic reports to refer to highway junctions or interchanges. Often combined with a name or number, e.g., 〇〇JCT.
次のJCTで高速道路を降りてください。
Please exit the expressway at the next junction.
カーナビに「まもなく〇〇JCTです」と表示された。
The car navigation displayed 'Approaching XX Junction.'