Dual carriageway and Dead end

Dual carriageway noun - A highway divided down the middle by a barrier that separates traffic going in different directions.

Dead end and dual carriageway are semantically related. In some cases you can use "Dead end" instead a noun phrase "Dual carriageway".

Dead end noun - A passage with access only at one end.

Dual carriageway and dead end are semantically related. Sometimes you can use "Dual carriageway" instead a noun phrase "Dead end".