December 18, 2019
M4 : Eastbound : J23A Magor : Onslip closed : 06/09/26-07/09/26 2000-0600 :
September 06, 2026
Description: M4 : Eastbound : J23A Magor : Onslip closed : 06/09/26-07/09/26 2000-0600 :, Start time: 06/09/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 06/09/2026 20:00
A470 : Both directions : Builth Wells Ty Gwyn Bends : Resurfacing work : Diversions in place : 07/09/26-14/09/26 1900-0700 :
September 05, 2026
Description: A470 : Both directions : Builth Wells Ty Gwyn Bends : Resurfacing work : Diversions in place : 07/09/26-14/09/26 1900-0700 :, Start time: 07/09/2026 19:00 , End Date: 14/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/09/2026 6:59
A55 : Westbound : J35 Dobs Hill : Cyclic maintenance : Onslip closed : Diversions in place : 09/09/26-10/09/26 1900-0600 :
September 05, 2026
Description: A55 : Westbound : J35 Dobs Hill : Cyclic maintenance : Onslip closed : Diversions in place : 09/09/26-10/09/26 1900-0600 :, Start time: 09/09/2026 19:00 , End Date: 10/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/09/2026 6:57
M4 : Westbound : J34 Miskin : Resurfacing work : Exit slip road closed : Entry slip road closed : Diversion : 11/09/26-15/09/26 2000-0600 :
September 04, 2026
Description: M4 : Westbound : J34 Miskin : Resurfacing work : Exit slip road closed : Entry slip road closed : Diversion : 11/09/26-15/09/26 2000-0600 :, Start time: 11/09/2026 20:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 16:07
M4 : Westbound : J32 Coryton : Resurfacing work : Entry slip road closed : Diversion : 11/09/26-12/09/26 2000-0600 :
September 04, 2026
Description: M4 : Westbound : J32 Coryton : Resurfacing work : Entry slip road closed : Diversion : 11/09/26-12/09/26 2000-0600 :, Start time: 11/09/2026 20:00 , End Date: 12/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 16:01
M4 : Eastbound : J37 Pyle : Surveys : Entry slip road closed : Diversion : 10/09/26-11/09/26 2000-0600 :
September 04, 2026
Description: M4 : Eastbound : J37 Pyle : Surveys : Entry slip road closed : Diversion : 10/09/26-11/09/26 2000-0600 :, Start time: 10/09/2026 20:00 , End Date: 11/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 16:11
M4 : Eastbound : J36 Sarn : Clearance work : Entry slip road closed : Diversion : 07/09/26-14/09/26 2000-0600 :
September 04, 2026
Description: M4 : Eastbound : J36 Sarn : Clearance work : Entry slip road closed : Diversion : 07/09/26-14/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 14/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 16:08
M4 : Eastbound : J28 Tredegar Park to J24 Coldra : Maintenance work : Brynglas Tunnel Closed : Diversion : 09/09/26-11/09/26 2000-0600 :
September 04, 2026
Description: M4 : Eastbound : J28 Tredegar Park to J24 Coldra : Maintenance work : Brynglas Tunnel Closed : Diversion : 09/09/26-11/09/26 2000-0600 :, Start time: 09/09/2026 20:00 , End Date: 11/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 15:45
M4 : Westbound : J24 Coldra to J28 Tredegar Park : Maintenance work : Brynglas Tunnel Closed : Diversion : 07/09/26-09/09/26 2000-0600 :
September 04, 2026
Description: M4 : Westbound : J24 Coldra to J28 Tredegar Park : Maintenance work : Brynglas Tunnel Closed : Diversion : 07/09/26-09/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 09/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 15:44
M4 : Westbound : J28 Tredegar Park : Maintenance work : Entry slip road closed : Diversion : 06/09/26-07/09/26 2000-0600 :
September 06, 2026
Description: M4 : Westbound : J28 Tredegar Park : Maintenance work : Entry slip road closed : Diversion : 06/09/26-07/09/26 2000-0600 :, Start time: 06/09/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 06/09/2026 20:00
A470 : Northbound : Nantgarw : Cyclic maintenance : Exit slip road closed : Diversion : 07/09/26-19/09/26 2000-0600 :
September 04, 2026
Description: A470 : Northbound : Nantgarw : Cyclic maintenance : Exit slip road closed : Diversion : 07/09/26-19/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 14:27
A470 : Southbound : Pontypridd to Upper Boat : Resurfacing work : Road closed : Diversion : 09/09/26-12/09/26 2000-0600 :
September 04, 2026
Description: A470 : Southbound : Pontypridd to Upper Boat : Resurfacing work : Road closed : Diversion : 09/09/26-12/09/26 2000-0600 :, Start time: 09/09/2026 20:00 , End Date: 12/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 12:58
A470 : Southbound : Pentrebach to Abercynon : Carriageway maintenance : Road closed : Diversion : 06/09/26-09/09/26 2000-0600 :
September 06, 2026
Description: A470 : Southbound : Pentrebach to Abercynon : Carriageway maintenance : Road closed : Diversion : 06/09/26-09/09/26 2000-0600 :, Start time: 06/09/2026 20:00 , End Date: 09/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 06/09/2026 20:00
A465 : Both directions : Rhigos to Hirwaun : Clearance work : Road closed : Diversion : 10/09/26 1830-2355 :
September 04, 2026
Description: A465 : Both directions : Rhigos to Hirwaun : Clearance work : Road closed : Diversion : 10/09/26 1830-2355 :, Start time: 10/09/2026 18:30 , End Date: 10/09/2026 23:55, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 12:52
A465 : Westbound : Neath to Llandarcy : Surveys : Road closed : Diversion : 07/09/26-09/09/26 2000-0600 :
September 04, 2026
Description: A465 : Westbound : Neath to Llandarcy : Surveys : Road closed : Diversion : 07/09/26-09/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 09/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 12:50
A4060 : Both directions : End of A4060 to A4102 Junction : Surveys : Road closed : Diversion : 09/09/26-10/09/26 2000-0600 :
September 04, 2026
Description: A4060 : Both directions : End of A4060 to A4102 Junction : Surveys : Road closed : Diversion : 09/09/26-10/09/26 2000-0600 :, Start time: 09/09/2026 20:00 , End Date: 10/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 12:17
A4060 : Southbound : Pentrebach to A470 Pentrebach : Surveys : Road closed : Diversion : 08/09/26-09/09/26 2000-0600 :
September 04, 2026
Description: A4060 : Southbound : Pentrebach to A470 Pentrebach : Surveys : Road closed : Diversion : 08/09/26-09/09/26 2000-0600 :, Start time: 08/09/2026 20:00 , End Date: 09/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 12:16
A4060 : Northbound : A470 Pentrebach to Pentrebach : Surveys : Road closed : Diversion : 07/09/26-08/09/26 2000-0600 :
September 04, 2026
Description: A4060 : Northbound : A470 Pentrebach to Pentrebach : Surveys : Road closed : Diversion : 07/09/26-08/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 08/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 12:14
A40 : Northbound : A449 Interchange to Monmouth Dixton R/bout : Resurfacing work : Road closed : Diversions in place : 08/09/26-10/09/26 2000-0600 :
September 04, 2026
Description: A40 : Northbound : A449 Interchange to Monmouth Dixton R/bout : Resurfacing work : Road closed : Diversions in place : 08/09/26-10/09/26 2000-0600 :, Start time: 08/09/2026 20:00 , End Date: 10/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026 12:07
A40 : Southbound : Monmouth Dixton R/bout to Gibraltar Tunnels : Resurfacing work : Road closed : Diversions in place : 07/09/26-10/09/26 2000-0600 :
September 04, 2026
Description: A40 : Southbound : Monmouth Dixton R/bout to Gibraltar Tunnels : Resurfacing work : Road closed : Diversions in place : 07/09/26-10/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 10/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/09/2026...
M4 : Northbound : J32 Coryton : Resurfacing work : Exit slip road closed : Diversions in place : 08/09/26-09/09/26 2000-0600 :
September 03, 2026
Description: M4 : Northbound : J32 Coryton : Resurfacing work : Exit slip road closed : Diversions in place : 08/09/26-09/09/26 2000-0600 :, Start time: 08/09/2026 20:00 , End Date: 09/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:21
A55 : Eastbound : J16A Dwygyfylchi to J17 Conwy Morfa : Cyclic maintenance : Tunnel closed : Contraflow. Narrow lanes : Delays possible : 09/09/26-10/09/26 1900-0700 :
August 25, 2026
Description: A55 : Eastbound : J16A Dwygyfylchi to J17 Conwy Morfa : Cyclic maintenance : Tunnel closed : Contraflow. Narrow lanes : Delays possible : 09/09/26-10/09/26 1900-0700 :, Start time: 09/09/2026 19:00 , End Date: 10/09/2026 7:00, Severity: Severe, Source: Welsh Government, Last updated:...
A55 : Both directions : J16A Dwygyfylchi to J17 Conwy Morfa : Cyclic maintenance : Width limit 3.25m : HGV diversions in place : 07/09/26-10/09/26 1900-0700 :
August 25, 2026
Description: A55 : Both directions : J16A Dwygyfylchi to J17 Conwy Morfa : Cyclic maintenance : Width limit 3.25m : HGV diversions in place : 07/09/26-10/09/26 1900-0700 :, Start time: 07/09/2026 19:00 , End Date: 10/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated:...
A470 : Both directions : Llanrwst : Resurfacing work : 10mph convoy : Temporary traffic lights : Width limit 3.25m : 07/09/26-24/10/26 0700-0200 :
August 13, 2026
Description: A470 : Both directions : Llanrwst : Resurfacing work : 10mph convoy : Temporary traffic lights : Width limit 3.25m : 07/09/26-24/10/26 0700-0200 :, Start time: 07/09/2026 7:00 , End Date: 24/10/2026 2:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/08/2026 15:38
A55 : Westbound : J17 Conwy Morfa to J16A Dwygyfylchi : Cyclic maintenance : Tunnel closed : Temporary traffic lights : Delays possible : 07/09/26-09/09/26 1900-0700 :
August 25, 2026
Description: A55 : Westbound : J17 Conwy Morfa to J16A Dwygyfylchi : Cyclic maintenance : Tunnel closed : Temporary traffic lights : Delays possible : 07/09/26-09/09/26 1900-0700 :, Start time: 07/09/2026 19:00 , End Date: 09/09/2026 7:00, Severity: Severe, Source: Welsh Government, Last updated:...
A470 : Both directions : Llanrwst to A55 J19 Glan Conwy : Maenan : Resurfacing work : STOP/GO in use : Width limit 3.25m : 07/09/26-24/10/26 0700-0200 :
August 28, 2026
Description: A470 : Both directions : Llanrwst to A55 J19 Glan Conwy : Maenan : Resurfacing work : STOP/GO in use : Width limit 3.25m : 07/09/26-24/10/26 0700-0200 :, Start time: 07/09/2026 7:00 , End Date: 24/10/2026 2:00, Severity: Moderate, Source: Welsh Government, Last updated: 28/08/2026 10:30
A470 : Both directions : Ty-Gwyn East of Builth Wells : Road closed overnight : Resurfacing work : 07/09/26-14/09/26 1900-0700 :
August 28, 2026
Description: A470 : Both directions : Ty-Gwyn East of Builth Wells : Road closed overnight : Resurfacing work : 07/09/26-14/09/26 1900-0700 :, Start time: 07/09/2026 19:00 , End Date: 14/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 10:56
A487 : Both directions : Llanrhystud : Road closed : Resurfacing work : Diversions in place : 07/09/26-18/09/26 1900-0600 :
September 01, 2026
Description: A487 : Both directions : Llanrhystud : Road closed : Resurfacing work : Diversions in place : 07/09/26-18/09/26 1900-0600 :, Start time: 07/09/2026 19:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 16:09
A465 : Northbound : Aberdulais to Resolven : Road closed : Resurfacing work : Diversions in place : 01/09/26-07/09/26 2000-0600 :
September 03, 2026
Description: A465 : Northbound : Aberdulais to Resolven : Road closed : Resurfacing work : Diversions in place : 01/09/26-07/09/26 2000-0600 :, Start time: 01/09/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:40
A465 : Both directions : Resolven to Aberdulais : Improvement work : Lane closed : Speed restriction : 26/08/26-30/09/26 0000-2355 :
August 26, 2026
Description: A465 : Both directions : Resolven to Aberdulais : Improvement work : Lane closed : Speed restriction : 26/08/26-30/09/26 0000-2355 :, Start time: 26/08/2026 0:00 , End Date: 30/09/2026 23:55, Severity: Moderate, Source: Welsh Government, Last updated: 26/08/2026 7:41
A458 : Both directions : Buttington to A483 Interchange : Resurfacing work : Road closed : Diversions in place : 01/09/26-09/09/26 1900-0600 :
September 01, 2026
Description: A458 : Both directions : Buttington to A483 Interchange : Resurfacing work : Road closed : Diversions in place : 01/09/26-09/09/26 1900-0600 :, Start time: 01/09/2026 19:00 , End Date: 09/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 19:00
A470 : Northbound : Taff's Well : 17/08/26-07/09/26 2000-0600 : Improvement work : Entry slip road closed : Diversions in place :
August 17, 2026
Description: A470 : Northbound : Taff's Well : 17/08/26-07/09/26 2000-0600 : Improvement work : Entry slip road closed : Diversions in place :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :
August 17, 2026
Description: A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :
August 17, 2026
Description: A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
: Both directions : Abergavenny Hardwick R/bout to Raglan : Bridge closed Local lanes closed : 06/07/26-14/09/26 0600 :
July 07, 2026
Description: : Both directions : Abergavenny Hardwick R/bout to Raglan : Bridge closed Local lanes closed : 06/07/26-14/09/26 0600 :, Start time: 06/07/2026 6:00 , End Date: 14/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/07/2026 13:20
