Carriageway

Diagram showing different arrangements of the elements of a road
An intersection of the German A7 Autobahn near Hamburg showing slip roads as well as shoulders

A carriageway (British English)[1] or roadway (North American English)[2] consists of a width of road on which a vehicle is not restricted by any physical barriers or separation to move laterally. A carriageway generally consists of a number of traffic lanes together with any associated shoulder, but may be a sole lane in width (for example, a highway offramp).

  1. ^ "Multi-lane carriageways (133-143)". Highway Code. A dual carriageway is a road which has a central reservation to separate the carriageways.
  2. ^ "Railroad-Highway Grade Crossing Handbook - Revised Second Edition August 2007 - Glossary". Federal Highway Administration. The portion of a highway, including shoulders, for vehicular use. A divided highway has two or more roadways.

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