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A48(M) motorway

Route map:
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This is an old revision of this page, as edited by Gareth Griffith-Jones (talk | contribs) at 10:35, 20 November 2018 (Fixing another error). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A48(M) shield
A48(M)
Route information
Maintained by South Wales Trunk Road Agency
Length2.0 mi (3.2 km)
Existed1977–present
Major junctions
East endCastleton, Newport
Major intersections
J29 → M4 motorway
West endSt Mellons, Cardiff
Location
CountryUnited Kingdom
Primary
destinations
Cardiff
Road network
Eastbound heading towards M4 junction 29

The A48(M) motorway in Wales links Cardiff with Newport. It is a 2 miles (3.2 km) long, M4 spur. At St Mellons, it runs continuously into the dual-carriageway A48, which also features (albeit narrow) hard shoulders. The A48(M) has no junctions and opened in 1977.[1] [2] The M4 was extended from junction 29 in 1980.

A48(M) motorway
Eastbound exits Junction Westbound exits
M4
London 		J29 M4 (Castleton) Start of motorway
Start of motorway
Newport 		J29A (St Mellons) A48 Cardiff

Previous A48(M) motorways

The 6-mile (9.7 km) Port Talbot bypass which opened in 1966,[2] was numbered A48(M) before its incorporation into the westward extension of the M4 in the 1970s.[3] Some maps show the Morriston bypass section of the M4 as also having been originally numbered A48(M), although whether this number was ever used on the ground has been questioned.[4]

References

  1. ^ Pathetic Motorways – A48(M)
  2. ^ a b The Motorway Archive – M4 Dates Archived 14 March 2007 at the Wayback Machine
  3. ^ Pathetic Motorways – A48(M) Port Talbot Bypass
  4. ^ Pathetic Motorways – A48(M) Morriston Bypass
KML file (edit • help)
Template:Attached KML/A48(M) motorway
KML is from Wikidata
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