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A48(M)

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A48(M)
Location Map ( geo)
Cameraicon.png View gallery (9)
From:  Castleton (ST262842)
To:  St Mellons (ST230819)
Distance:  2.2 miles (3.5 km)
Meets:  M4, A48
Primary Destinations
Highway Authorities

Welsh Government


South Wales TRA
Traditional Counties

Monmouthshire

Route outline (key)
A48(M) Castleton - St Mellons
Junction List
Junc Northbound Southbound
29 M4 Start of Motorway
29A Start of Motorway A48
This article is about the spur running from junction 29 of the M4 towards Cardiff.
For the Port Talbot bypass, now M4 junctions 39 to 41, see A48(M) (Port Talbot Bypass)
.
For the Morriston bypass, now M4 junctions 44 to 46, see A48(M) (Morriston Bypass).
For the unbuilt Llantrisant Radial in Cardiff, see A48(M) (Llantrisant Radial).
Globe.png
For detailed information about this topic, see Roads.org.uk Motorway Database and Pathetic Motorways
Junction of the A48(M) and M4 before widening of the latter

The A48(M) is a motorway spur running from junction 29 of the M4 towards Cardiff. The road ends when it meets the A48 to the east of the city; there is no access to the eastbound A48 from here.

Opening dates

For detailed information about this section, see Roads.org.uk Motorway Database: A48(M) Timeline

Links

Videos

M4 motorway in 1972

A drive through of the M4 Morriston Bypass shortly after opening in 1972.

Watch video > >

Bill's Bridges - M4 Port Talbot

Construction of the A48(M) Port Talbot Bypass in 1965, showing part-opened section

Watch video > >




A48(M)
Junctions
Places
Related Pictures
View gallery (9)
M4 Toll - Coppermine - 144.JPGM4 junction 29 rebuild.pngM4J29 2014.jpgM4J29 2007.jpgM4 Junction 29 looking westbound at the A48(M) diverge - Coppermine - 12075.jpg
Other nearby roads
Cardiff
Newport
Motorways in Great Britain
Current MotorwaysM1 • M2 • M3 • M4 • M5 • M6 • M6 Toll • M8 • M9 • M11 • M18 • M20 • M23 • M25 • M26 • M27 • M32 • M40 • M42 • M45 • M48 • M49 • M50 • M53 • M54 • M55 • M56 • M57 • M58 • M60 • M61 • M62 • M65 • M66 • M67 • M69 • M73 • M74 • M77 • M80 • M90 • M180 • M181 • M271 • M275 • M602 • M606 • M621 • M876 • M898
A1(M) • A3(M) • A8(M) • A14(M) • A38(M) • A48(M) • A57(M) • A58(M) • A64(M) • A66(M) • A74(M) • A92(M) • A167(M) • A168(M) • A194(M) • A195(M) • A308(M) • A329(M) • A404(M) • A601(M) • A627(M) • A635(M) • A666(M) • A823(M) • A1058(M) • A1077(M)
Motorway Spurs • (M4 Heathrow Spur • M25 T5 Spur • Walton Summit M'way)
Former MotorwaysM10 • M15 • M16 • M30 • M41 • M52 • M62 • M63 • M64 • M65 • M68 • M85 • M110 • M111 • M270 • M274 • M531 • M600
A2(M) • A4(M) • A5(M) • A8(M) • A11(M) • A18(M) • A20(M) • A21(M) • A23(M) • A36(M) • A40(M) (Central London) • A40(M) (Buckinghamshire) • A41(M) • A46(M) • A48(M) (Morriston) • A48(M) (Port Talbot) • A65(M) • A102(M) (North) • A102(M) (South) • A423(M) • A446(M) • A604(M) • A638(M) • A696(M) • A1231(M) • A6127(M) • A6138(M) • A6144(M)
Unbuilt MotorwaysM4 Toll • M12 (Woodford - Brentford) • M12 (Woodford - Maplin) • M12 (Brentwood - -Chelmsford) • M13 • M17 • M19 • M31 • M58 • M59 • M60 • M62 RR • M64 • M81 • M82 • M83 • M100 • M272 • M601 • M650
A2(M) • A6(M) (West) • A6(M) (East) • A14(M) • A48(M) • A59(M) • A61(M) • A556(M) • A695(M)
A Ring • Bilston Link • Belmont Link • B-W M'way • CME Bypass • CMW • Central Spine • Chippenham Spur • Coventry N-S M'way • Cublington Airport M'way • Denham Spur • Derby Urban M'way • Droitwich-Leicester M'way • East Coast M'way • EXR • East Kilbride M'way • E-W Underground M'way • Eastern M'way • Euroroute • Friars Goose Xing • Furness Link • Glasgow IRR • GM Western Relief Road • Hamilton-Cumbernauld M'way • Hook Road • Johnstone M'way • Kendal Link • Liverpool Inner M'way • LOX M'way • Malvern Radial • Manchester IRR • Morecambe Link • NE Urban M'way • NXR • N&W M'way • Paisley-Hamilton M'way • POLO • Princess P'way M'way • Reading Urban M'way • Ringway 2 • Sheffield Spur • S Bristol Spur • SCRPDR • SXR • Stirling Corner Link • Strensham-Solihill M'way • Strensham-Solihill M'way • TGAAR • Townhill Link • Trafford Park M'way • Warndon Radial • Watford Urban M'Way • Western Orbital • Weston Spur

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