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A typical British dual carriageway with central barrier on the A63 near Hull, England Map by Cassius Ahenobarbus, zoomed in to show the Via Portuensis, with the dual carriageway splitting close to the city of Rome. This is a very early (perhaps the first) example of a dual carriageway.
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 ...
A dual carriageway road (North American English: divided highway) has two roadways separated by a central reservation (North American English: median). A local-express lane system (also called collector-express or collector-distributor) has more than two roadways, typically two sets of 'local lanes' or 'collector lanes' and also two sets of ...
Here, they meet the opposite carriageway and the side road. Traffic wishing to turn out of the side road, simply cross the intersecting carriageway and drive up the other "wing" of the seagull, and merge onto the other carriageway. Sealed road A road on which the surface has been permanently sealed by the use of a pavement treatment, such as ...
The pictogram of a dual carriageway traversed by an overpass is used in many European countries to indicate the start of motorway regulations. In this case the appropriate motorway number is shown and in accordance with Irish practice a continuous yellow line indicates a motorway rather than a high-quality dual carriageway (HQDC).
Speed limits on dual-carriageways are up to 70mph, whereas on single-carriageway roads they can be no more than 60mph. Halton, Cheshire, is the local authority area with the highest proportion of ...
A dual carriageway has been closed in both directions following a medical emergency. National Highways reported the A14 in Northamptonshire was shut between Junction 10 near Kettering, and J11 ...
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 ...