Pentwyn Interchange

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Pentwyn Interchange
Cyfnewidfa Pen-twyn
Location Map ( geo)
M4 Motorway - westbound exit slip road, junction 30 - Geograph - 2079077.jpg
Cameraicon.png View gallery (3)
Location
Ingleside
County
Glamorgan
Highway Authority
Welsh Government
Junction Type
Roundabout Interchange
Roads Joined
M4, A4232
Junctions related to the A4232
Cardiff West Interchange • Culverhouse Cross roundabout

Pentwyn Interchange is junction 30 of the M4.

Routes

Route To Notes

M4

Bridgend/Pen-y-bont

M4

Newport/Casnewydd

A4232

Cardiff (E)/Caerdydd (Dn)
Rudry/Rhydri, Draethen
Services/Gwasanaethau, Cardiff Gate Business Park/Parc Busnes Porth Caerdydd

Cardiff Gate services

Cardiff Gate services

Links




Pentwyn Interchange
Related Pictures
View gallery (3)
M4 Motorway - westbound exit slip road, junction 30 - Geograph - 2079077.jpgM4 widening J29-33 - Coppermine - 15533.jpgM4 widening J29-33 - Coppermine - 15536.jpg
Other nearby junctions
CardiffAdamsdown Interchange • Albany Road Interchange • Butetown Interchange • Cardiff West Interchange • Coryton Interchange • Culverhouse Cross roundabout • Fairoak Interchange • Gabalfa Interchange • Grangetown Interchange • Heathwood Road Interchange • Llanishen Interchange • M4 J31 • Mynachdy Interchange • Newport Road Interchange • Radyr Interchange • Splott Interchange • St Mellons Junction • The Flourish • The Magic Roundabout (Cardiff) • Ty Glas Interchange
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