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Caerleon Interchange

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Caerleon Interchange
Cyfnewidfa Caerllion
Location Map ( geo)
M4 junction 25 - Geograph - 109163.jpg
Cameraicon.png View gallery (2)
Location
St Julians, Newport
County
Monmouthshire
Highway Authority
Welsh Government
Junction Type
Modified Roundabout Interchange
Roads Joined
M4, A4042, B4596
Junctions related to the A4042

Caerleon Interchange is junction 25 of the M4 motorway.

The interchange is often referred to as "Caerleon Road", being situated on the road of that name, some 2.5 route kilometres from Caerleon itself.

This junction was originally with the primary A449, before that was rerouted to J24 as part of the dualling and realignment of that road. The old A449 is now the B4596.

Since the Brynglas Tunnels and Malpas Road Relief scheme, it has been a limited-access junction providing direct access to the motorway's eastbound carriageway only and exit from its westbound carriageway only. Previously it was full-access.

Routes

Route To Notes

M4

London, Chepstow

A4042

Cardiff / Caerdydd (M4 (W)), Newport / Casnewydd, Cwmbran via 550-m long western branch of B4596 (not signed as such)

B4596

Caerleon, University Caerleon Campus 2½ formerly A449

B4596

St. Julians formerly A449

Links



Caerleon Interchange
Related Pictures
View gallery (2)
M4 motorway viewed from Caerleon Road, Newport - Geograph - 1588224.jpgM4 junction 25 - Geograph - 109163.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