A48 road


A48 road

UK road routebox
road=A48


caption=The A48 (Eastern Avenue, Cardiff)
length-mi=
length-km=
direction=East - West
start= Highnam
destinations=Chepstow
Newport
Cardiff
Bridgend
Port Talbot
Neath
Swansea
end= Carmarthen
construction-date=
completion-date=
junctions=

ukroadsmall|40
ukroadsmall|4151
ukroadsmall|466
ukroadsmall|449
ukroadsmall|455
ukroadsmall|4042
ukmotorwaysmall|4 J28
ukroadsmall|4072
ukmotorwayAsmall|48 J29A
ukroadsmall|4232
ukroadsmall|4161
ukroadsmall|469
ukroadsmall|470
ukroadsmall|4119
ukroadsmall|4161
ukroadsmall|4232
ukroadsmall|4050
ukroadsmall|4226
ukroadsmall|4222
ukroadsmall|473
ukroadsmall|4106
ukroadsmall|4229
ukmotorwaysmall|4 J38
ukroadsmall|4107
ukroadsmall|4241
ukmotorwaysmall|4 J41
ukroadsmall|474
ukroadsmall|465
ukroadsmall|4230
ukmotorwaysmall|4 J44
ukroadsmall|4217
ukroadsmall|4067
ukroadsmall|4138
ukroadsmall|4240
ukmotorwaysmall|4 J49
ukroadsmall|483
ukroadsmall|476
ukroadsmall|40

euroroute= European route number small sign|30

The A48 is a major trunk road in Great Britain. It runs from the A40 at Highnam convert|3|mi|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. Continuing west along the South Wales coast, it connects Chepstow (also bypassed), 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.

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 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 accident collisions between 2004 and 2006, and was rated as medium risk in the EuroRAP report publish by the Road Safety Foundation.

References


Wikimedia Foundation. 2010.

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