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Rogiet Interchange

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Rogiet Interchange
Location Map ( geo)
Junction 23 on the M4 heading east - Geograph - 1460210.jpg
Cameraicon.png View gallery (6)
Location
Llanfihangel near Rogiet
County
Monmouthshire
Highway Authority
Welsh Government
Junction Type
Fork
Roads Joined
M4, M48
This article is about the current junction 23 of the M4.
For the original junction 23 of the M4, see Magor Interchange
.


Rogiet Interchange is junction 23 of the M4, the western of two fork junctions between that motorway and the M48.

History

The M48 was originally part of the M4, taking the motorway to the Severn Crossing. When the Second Severn Crossing was constructed in 1996, the M4 took a more southerly route, and the former M4 became the M48. This junction marks the western end where the old and new routes meet; the roads meet again at Awkley Interchange.

Since both the M4 and the M48 head for crossings over the Severn, there seemed to be no reason to build a link between the M4 westbound and M48 eastbound (and vice-versa) so this is a simple fork junction.

Newport Southern Bypass Proposals

In the 2010s, the junction was due to be rebuilt as part of the M4 Newport southern bypass. This would have consisted of a roundabout interchange between the M4, the B4245 and a link road to a new at-grade roundabout on the M48 and the existing M4 route north of Newport. However, these proposals were cancelled by the Welsh Government.

Routes

Route To Notes

M4

Bryste / Bristol, Llundain / London

M4

Casnewydd / Newport, Caerdydd / Cardiff

M48

Cas-gwent / Chepstow

M4

Cardiff/Caerdydd, Newport (S)/Casnewydd (D) Unbuilt route south of Newport




Rogiet Interchange
Related Pictures
View gallery (6)
Severn Bridge 1964 under construction - Coppermine - 177.jpgM4J23 2014.jpgJunction 23 on the M4 heading east - Geograph - 1460210.jpgJ23 - Coppermine - 6898.jpgJ23a - Coppermine - 6899.jpg
Junctions on the M4
Main RouteChiswick • 2 Brentford • 3 Cranford Parkway • 4 Heathrow • 4B Colnbrook • 5 Langley • 6 Tuns Lane • 7 Huntercombe • 8/9 Holyport • 10 Winnersh • 11 Three Mile Cross • 12 Theale • 13 Chieveley • 14 Wickham • 15 Plough Hill • 16 Spittleborough • 17 Stanton St Quinton • 18 Tormarton • 19 Hambrook • 20 Almondsbury • 21 Awkley • 22 Pilning • 23 Rogiet • 23A Magor • 24 Coldra • 25 Caerleon • 25A Grove Park • 26 Malpas • 27 High Cross • 28 Tredegar Park • 29 Castleton • 30 Pentwyn • 31 Junction 31 • 32 Coryton • 33 Cardiff West • 34 Miskin • 35 Pencoed • 36 Sarn • 37 Pyle • 38 Margam • 39 Groes • 40 Taibach • 41 Pentyla • 42 Earlswood • 43 Llandarcy • 44 Lon-Las • 45 Ynysforgan • 46 Llangyfelach • 47 Penllergaer • 48 Hendy • 49 Pont Abraham
Heathrow SpurCherry Lane • 4 Heathrow • 4A Concord
Former RoutesBray • 9A Cox Green • 9B The Thicket // 19 Hambrook • 19A Frenchay // 20 Almondsbury • 21 Aust • 22 Newhouse • 23 Magor // 28  Tredegar Park • 29 St Mellons
Defunct Newport
Bypass Proposal
23 Rogiet • 25 Glan Llyn • 27 Dock Way • 29 Castleton
Junctions on the M48
0 Awkley  • 1 Aust  • 2 Chepstow  • M4 (23) Rogiet

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