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dual carriageway

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noun British.
  1. divided highway.
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Origin of dual carriageway

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for dual carriageway

dual carriageway

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