A48(M) (Morriston Bypass)

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A48(M)
Cameraicon.png View gallery (1)
From:Lôn-las (SS701977)
To:Llangyfelach (SS648992)
Length:3.9 miles (6.3 km)
Met: A48, A465, A4067, A48
Now part of:M4
Traditional Counties

Glamorgan

Route outline (key)
A48(M) Morriston Bypass
Junction List
Junc Westbound Eastbound
- Start of Motorway A48
- A4067 A4067
- A48 Start of Motorway
This article is about the Morriston bypass, now M4 junctions 44 to 46.
For spur towards Cardiff from M4 junction 29, see A48(M)
.
For the Port Talbot bypass, now M4 junctions 39 to 41, see A48(M) (Port Talbot Bypass).
For the unbuilt Llantrisant Radial in Cardiff, see A48(M) (Llantrisant Radial).
Globe.png
For detailed information about this topic, see Pathetic Motorways
The former A48(M) (now M4) near Ynysforgan

Morriston, to the north of Swansea, was bypassed in the early 1970s. As the road going through town was the A48 the bypass was planned to be the A48(M).

There is debate as to whether the road was ever open with this number. Certainly it had been renumbered M4 by the mid-1970s although it is not known whether the renumbering happened before or after the road was opened to traffic.



A48(M) (Morriston Bypass)
JunctionsLon-Las Interchange
RoadsE105 (London - Fishguard)
Related Pictures
View gallery (1)
Another services advisory east of J45, Ynysforgan. - Coppermine - 7385.jpg
Other nearby roads
SwanseaA4067 • A4068 (Morriston - Ystalyfera) • A4069 (Swansea) • A4070 • A4118 • A4216 • A4217 • A4230 • A465 • A475 (Swansea - Carmarthen) • A483 • A484 • B4247 • B4271 • B4290 • B4291 • B4292 • B4293 (Swansea) • B4294 (Gower) • B4295 • B4296 • B4433 • B4436 • B4489 • B4593 • B4603 • B4620 • B4625 • B5444 (Swansea) • E105 (London - Fishguard) • E30 • EuroVelo 1 • M4 • NCN4 • T10 (Britain) • T18 (Britain)
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)
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