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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    Plans for this type of dual carriageway on the N20 road have been superseded by newer plans to build a motorway, the M20, to replace most of this route.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. Fewer than one in 10 A-road miles are dual-carriageway in ...

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

    The AA said converting single-carriageway A-roads into dual-carriageways can “improve traffic flows and air quality whilst reducing collisions”. Most of the 36 areas are largely rural, such as ...

  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. 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.

  6. A9 dualling project - Wikipedia

    en.wikipedia.org/wiki/A9_dualling_project

    The "A9 Dual Action Group" was established to bring attention to the statistics. It submitted a petition to the Scottish Parliament in December 2022, calling on the Scottish Government to follow through on its 2011 commitment to convert the remaining 77 miles (124 kilometres) [20] of single carriageway into dual carriageway by 2025. [21]

  7. 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 ...

  8. Road hierarchy - Wikipedia

    en.wikipedia.org/wiki/Road_hierarchy

    These link towns together and also include some ring-roads. 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.

  9. 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 ...