- A48 road
UK road routebox
caption=The A48 (Eastern Avenue, Cardiff)
direction=East - West
euroroute= European route number small sign|30
The A48 is a major
trunk roadin Great Britain. It runs from the A40 at Highnam convert|3|mi|km west of Gloucesterto the A40 at Carmarthen. Before the construction of the M4 motorwayand the first Severn Bridgein 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.
Gloucesterthe A48 runs through the villages of Minsterworth, Westbury-on-Severn, connects to a link road to Cinderfordin the Forest of Deanthen through Newnham, Blakeney and bypassing the town of Lydney(the bypass was built in the 1990s) on the west bank of the River Severn. Continuing west along the South Wales coast, it connects Chepstow(also bypassed), Newport, Cardiff, Cowbridge, Bridgend, Pyle, Port Talbot, Neath, Swanseabefore 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.
History of the road number
The original (1923) route of the A48 was
Worcesterto Carmarthenvia Malvern, Ledbury, Ross-on-Wye, Monmouth, Newport, Cardiff, Bridgend, Neathand 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).
In June 2008, a 44km stretch of the A48 between Chepstow - Gloucester was named as the most dangerous road in the South West of England. [ [http://www.eurorap.org/library/pdfs/20080627_GB_High_RISK_Regional.pdf Highest risk road sections in each UK Government Office Region (2004-2006)] ] This single carriageway stretch had 45 fatal and serious injury
Car accidentcollisions between 2004 and 2006, and was rated as medium risk in the EuroRAPreport publish by the Road Safety Foundation.
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