Live traffic alerts
A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :
Start 12/09/2026
End 12/09/2026
M4 : Eastbound : J28 Tredegar Park to J26 Malpas : Congestion : Delays possible :
Start 12/09/2026
End 12/09/2026
A4232 : Southbound : M4 J33 Capel Llanilltern to St Fagans : Congestion : Delays possible :
Start 12/09/2026
End 12/09/2026
A55 : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice
Start 12/09/2026
End 12/09/2026
M4 : Eastbound : J36 Sarn : 07/09/26-16/09/26 2000-0600 : Clearance work : Entry slip road closed : Diversions in place :
Start 07/09/2026
End 16/09/2026
M4 : Westbound : J34 Miskin : 11/09/26-15/09/26 2000-0600 : Resurfacing work : Closed : Diversions in place :
Start 11/09/2026
End 15/09/2026
M4 : Westbound : J34 Miskin : Resurfacing work : Exit slip road closed : Entry slip road closed : Diversion : 11/09/26-15/09/26 2000-0600 :
Start 11/09/2026
End 15/09/2026
M4 : Westbound : J38 Margam : 10/09/26-15/09/26 2000-0600 : Exit slip road closed : Clearance work : Diversions in place :
Start 10/09/2026
End 15/09/2026
M4 : Eastbound : J42 Earlswood : 08/09/26-15/09/26 2000-0600 : Exit slip road closed : 1 lane closed : Resurfacing work : Diversions in place :
Start 08/09/2026
End 15/09/2026
M4 : Eastbound : J38 Margam : 07/09/26-15/09/26 2000-0600 : Entry slip road closed : Clearance work : Diversions in place :
Start 07/09/2026
End 15/09/2026
: Both directions : Abergavenny Hardwick R/bout to Raglan : Bridge closed Local lanes closed : 06/07/26-14/09/26 0600 :
Start 06/07/2026
End 14/09/2026
A470 : Northbound : Nantgarw : 07/09/26-19/09/26 2000-0600 : Maintenance work : Exit slip road closed : Closed : Diversions in place :
Start 07/09/2026
End 19/09/2026
M4 : Eastbound : J36 Sarn : Clearance work : Entry slip road closed : Diversion : 07/09/26-14/09/26 2000-0600 :
Start 07/09/2026
End 14/09/2026
A470 : Northbound : Nantgarw : Cyclic maintenance : Exit slip road closed : Diversion : 07/09/26-19/09/26 2000-0600 :
Start 07/09/2026
End 19/09/2026
A470 : Both directions : Builth Wells Ty Gwyn Bends : Resurfacing work : Diversions in place : 07/09/26-14/09/26 1900-0700 :
Start 07/09/2026
End 14/09/2026
A487 : Both directions : Llanrhystud : Road closed : Resurfacing work : Diversions in place : 07/09/26-18/09/26 1900-0600 :
Start 07/09/2026
End 18/09/2026
A470 : Both directions : Ty-Gwyn East of Builth Wells : Road closed overnight : Resurfacing work : 07/09/26-14/09/26 1900-0700 :
Start 07/09/2026
End 14/09/2026
A470 : Both directions : Llanrwst : Resurfacing work : 10mph convoy : Temporary traffic lights : Width limit 3.25m : 07/09/26-24/10/26 0700-0200 :
Start 07/09/2026
End 24/10/2026
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