A "dual carriageway" is a road that has two separate lanes of traffic going in each direction, with a physical barrier or a wide median in the middle. Full definition
In the past he has advised on dual carriageways planning consents, swimming pool, projects by local authorities vetoed by HMG, road building public contract disputes, commercial disputes including: (elyplace.com)
Within 4 miles of my home is a stretch of dual carriageway that has zero pedestrian access yet has a 40 limit and speed cameras. (evo.co.uk)
Under the project, the Ring Road West from Ring Road flyover to the Obetsebi Lamptey Circle would be widened into a three - lane dual carriageway with provision for BRT facilities. (ghanapoliticsonline.com)