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UK road A48.svg
A48 road
A48 Eastern Avenue, Cardiff.jpg
The A48 (Eastern Avenue, in Cardiff near the University Hospital of Wales)
Direction East - West
Start Highnam
Primary
destinations1
Chepstow
Newport
Cardiff
Bridgend
Port Talbot
Neath
Swansea
End Carmarthen
Roads joined
Euroroute(s)
Notes
  1. Primary destinations as specified by the Department for Transport.


The A48 is a major trunk road in Great Britain. It runs from the A40 at Highnam 3 miles (4.8 km) west of Gloucester to the A40 at Carmarthen. Before the construction of the M4 motorway and the first Severn Bridge in the mid 1960s it was the principal route into South Wales. For most of its journey through Wales, it runs almost parallel to its successor. Before the construction of the Second Severn Crossing, during times of high winds at the Severn Bridge the A48 was used as part of the diversion route, and is still marked as a Holiday Route.

From Gloucester the A48 runs through the villages of Minsterworth, Westbury-on-Severn, connects to a link road to Cinderford in the Forest of Dean then through Newnham, Blakeney and bypassing the town of Lydney (the bypass was built in the 1990s) on the west bank of the River Severn. Crossing the Wales-England border at Chepstow and continuing west close to the South Wales coast, it connects Newport, Cardiff, Cowbridge, Bridgend, Pyle, Port Talbot, Neath, Swansea before terminating at Carmarthen.

There is a motorway section (the A48(M)) which is a spur of the M4 starting at junction 29 and ending with the main A48 at St Mellons, Cardiff.

Just before Junction 44 of the M4 motorway, there is an abandoned dual carrigeway trunk road, just to the left side of the motorway.[1] This formerly was home to two service stations, both of which have been demolished.

Part of the A48 forms a section of the unsigned Euroroute E30.

History of the road number

The original (1923) route of the A48 was Worcester to Carmarthen via Malvern, Ledbury, Ross-on-Wye, Monmouth, Newport, Cardiff, Bridgend, Neath and Llanelli. In 1935 it was rerouted east of Newport, replacing the A437 between Newport and Gloucester. The road from Worcester to Newport became part of the A449, apart from the section between Ross and Monmouth (which became part of the A40).

Road Safety

In June 2008, a 44 km stretch of the A48 between Chepstow - Gloucester was named as the most dangerous road in the South West of England.[2] This single carriageway stretch had 45 fatal and serious injury car accident collisions between 2004 and 2006, and was rated as medium risk in the EuroRAP report publish by the Road Safety Foundation.

References

  1. ^ Jeni (September 2006). "Abandoned A48 1". The abandoned A48 carriageway at Neath. Society for All British Road Enthusiasts (SABRE). http://www.sabre-roads.org.uk/wiki/index.php?title=Image:Abandoned_A48_1.JPG. Retrieved 2009-11-16.  
  2. ^ Highest risk road sections in each UK Government Office Region (2004–2006)







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