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  2. Dual carriageway - Wikipedia

    en.wikipedia.org/wiki/Dual_carriageway

    Plans for this type of dual carriageway on the N20 road have been superseded by newer plans to build a motorway, the M20, to replace most of this route. Traditionally this type of dual-carriageway had a mixture of at grade junctions (including roundabouts), grade separated junctions, and median crossings. Nowadays they are similar to HQDCs, but ...

  3. Road hierarchy - Wikipedia

    en.wikipedia.org/wiki/Road_hierarchy

    Most of these are single-carriageway 2 lane roads but a few of them are 4 lane dual-carriageway. E: These are main roads which go through multiple villages and small towns and are built similarly to B roads. A few of them can also be 4 lane dual-carriageways. F: The small village roads which normally only serve 1 or a few villages.

  4. Limited-access road - Wikipedia

    en.wikipedia.org/wiki/Limited-access_road

    The Veterans Memorial Parkway in London, Ontario is a modern at-grade limited-access road with intersections. A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, and partial controlled-access highway, is a highway or arterial road for high-speed traffic which has many or most characteristics of a controlled-access highway ...

  5. Fewer than one in 10 A-road miles are dual-carriageway in ...

    www.aol.com/fewer-one-10-road-miles-000100617.html

    But five London boroughs are in the same category, such as Islington (5.2%), Sutton (5.8%) and Lambeth (8.9%). The proportion of A-road miles that are dual-carriageway across Britain barely ...

  6. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    Despite popular opinion that "freeway" means a road with at least two carriageways, single carriageway freeways exist, as is evidenced by the statement that "[South Africa's] roads include 1,400 km (870 mi) of dual carriageway freeway, 440 km (270 mi) of single carriageway freeway and 5,300 km (3,300 mi) of single carriage main road with ...

  7. Single carriageway - Wikipedia

    en.wikipedia.org/wiki/Single_carriageway

    A single carriageway (British English) is a road with one, two or more lanes arranged within a one carriageway with no central reservation/median strip to separate opposing flows of traffic. A single-track road is a type of single carriageway with a single lane with passing places for traffic in both directions.

  8. Carriageway - Wikipedia

    en.wikipedia.org/wiki/Carriageway

    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 ...

  9. Trunk road - Wikipedia

    en.wikipedia.org/wiki/Trunk_road

    Trunk roads, like other "A" roads, can be either single-or dual-carriageway. Historically, trunk roads were listed on maps with a "T" in brackets after their number, to distinguish them from non-trunk parts of the same road, however this suffix is no longer included on current Ordnance Survey maps, which simply distinguish between primary and ...