Glan Llyn Junction

Glan Llyn Junction

Location Map ( geo)

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Location

Glan Llyn

County

Monmouthshire

Junction Type

Roundabout Interchange

Roads Joined

M4

Routes

Route	To	Notes
M4	Cardiff/Caerdydd, Newport (E)/Casnewydd (Dn)
M4	London/Llundain, Bristol/Bryste, Chepstow/Cas-gwent
	Glan Llyn, Newport (W)/Casnewydd (Gn) (A4810)

Glan Llyn Junction

Other nearby junctions

Newport

Junctions on the M4

Main Route

1 Chiswick • 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 Spur

Cherry Lane • 4 Heathrow • 4A Concord

Former Routes

8 Bray • 9A Cox Green • 9B The Thicket // 19 Hambrook • 19A Frenchay // 20 Almondsbury • 21 Aust • 22 Newhouse • 23 Magor // 28 Tredegar Park • 29 St Mellons

Future Route

23 Rogiet • 25 Glan Llyn • 27 Dock Way • 29 Castleton