dual carriageway

American

noun

British.

divided highway.

dual carriageway British

noun

US and Canadian name: divided highway. a road on which traffic travelling in opposite directions is separated by a central strip of turf, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dual carriageway

First recorded in 1930–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An electric scooter rider who died at the scene of a late-night crash had been travelling in the middle of lane one of a dual carriageway.

From BBC • Oct. 21, 2025

Investigators said under no circumstances would a driver expect to see an e-scooter on a dual carriageway in the dark, in BBC show The Crash Detectives.

From BBC • Oct. 21, 2025

Entry to the park via the A414 dual carriageway entrance will only be available for pre-authorised access.

From BBC • Sep. 4, 2025

Stormont's infrastructure minister is to appeal a judgement that ruled construction of the new A5 dual carriageway should not go ahead in its current form.

From BBC • Aug. 4, 2025

The dual carriageway scheme was first announced back in 2007, but has been beset by a number of delays.

From BBC • Jun. 24, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023