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  2. Dual carriageway - Wikipedia

    en.wikipedia.org/wiki/Dual_carriageway

    Dual carriageways have improved road traffic safety over the years and over single carriageways and typically have higher speed limits as a result. In some places, express lanes and local or collector lanes are used within a local-express-lane system to provide more capacity and to smooth out traffic flows for longer-distance travel.

  3. 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 ...

  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

    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 ...

  6. 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.

  7. Types of road - Wikipedia

    en.wikipedia.org/wiki/Types_of_road

    Asphalt road in Norway. A road is a thoroughfare, route, or way on land between two places that has been surfaced or otherwise improved to allow travel by foot or some form of conveyance, including a motor vehicle, cart, bicycle, or horse.

  8. 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 ...

  9. Road hierarchy - Wikipedia

    en.wikipedia.org/wiki/Road_hierarchy

    Bundesautobahn 9 near by Garching bei Muenchen, Germany. At the top of the hierarchy in terms of traffic flow and speed are controlled-access highways; their defining characteristic is the control of access to and from the road, meaning that the road cannot be directly accessed from properties or other roads, but only from specific connector roads.