carriageway

Noun
  1. One of the two sides of a motorway where traffic travels in one direction only usually in two or three lanes (synset 102972782)
    domain region: britain, great britain, u.k., uk, united kingdom, united kingdom of great britain and northern ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
    is a type of: roadway - a road (especially that part of a road) over which vehicles travel
    is a part of: expressway, freeway, motorway, pike, state highway, superhighway, throughway, thruway - a broad highway designed for high-speed traffic

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