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Definition of Dual carriageway
1. Noun. A highway divided down the middle by a barrier that separates traffic going in different directions. "In Britain they call a divided highway a dual carriageway"
Definition of Dual carriageway
1. Noun. (U.K.) A road in which the two directions of traffic are separated by a central barrier or strip of land, known as a central reservation or median. ¹
¹ Source: wiktionary.com