December 18, 2019
A55 : Westbound : Pen-y-Clip tunnel : Contraflow via Headland : Width limit 3.2m : 03/02/26-10/02/26 1900-0700 :
January 24, 2026
Description: A55 : Westbound : Pen-y-Clip tunnel : Contraflow via Headland : Width limit 3.2m : 03/02/26-10/02/26 1900-0700 :, Start time: 03/02/2026 19:00 , End Date: 10/02/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 13:26
A487 : Both directions : Aberystwyth Commins Coch : Improvement work : Temporary traffic lights : 02/02/26-23/06/26 0900-1600 :
January 26, 2026
Description: A487 : Both directions : Aberystwyth Commins Coch : Improvement work : Temporary traffic lights : 02/02/26-23/06/26 0900-1600 :, Start time: 02/02/2026 9:00 , End Date: 23/06/2026 16:00, Severity: Moderate, Source: Welsh Government, Last updated: 26/01/2026 14:06
A4076 : Both directions : Steynton to Harmeston : Road closed : 02/02/26-03/02/26 2000-0600 : Diversions in place :
January 25, 2026
Description: A4076 : Both directions : Steynton to Harmeston : Road closed : 02/02/26-03/02/26 2000-0600 : Diversions in place :, Start time: 02/02/2026 20:00 , End Date: 03/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/01/2026 8:52
A470 : Eastbound : Pontypridd to Abercynon : Road closed : 02/02/26-20/02/26 2000-0600 : Diversions in place :
January 24, 2026
Description: A470 : Eastbound : Pontypridd to Abercynon : Road closed : 02/02/26-20/02/26 2000-0600 : Diversions in place :, Start time: 02/02/2026 20:00 , End Date: 20/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 13:48
A55 : Eastbound : Pen-y-Clip Headland : 02/02/26-03/02/26 1900-0700 : Contraflow via Tunnel : Width limit 3.2m :
January 24, 2026
Description: A55 : Eastbound : Pen-y-Clip Headland : 02/02/26-03/02/26 1900-0700 : Contraflow via Tunnel : Width limit 3.2m :, Start time: 02/02/2026 19:00 , End Date: 03/02/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 13:25
A494 : Westbound : Queensferry : Onslip closed : 26/01/26-30/01/26 1930-0600 : Diversions in place :
January 26, 2026
Description: A494 : Westbound : Queensferry : Onslip closed : 26/01/26-30/01/26 1930-0600 : Diversions in place :, Start time: 26/01/2026 19:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/01/2026 19:00
A4042 : Northbound : Little Mill : Closed : 29/01/26 0930-1530 :
January 25, 2026
Description: A4042 : Northbound : Little Mill : Closed : 29/01/26 0930-1530 :, Start time: 29/01/2026 9:30 , End Date: 29/01/2026 15:30, Severity: Road closure, Source: Welsh Government, Last updated: 25/01/2026 7:43
M4 : Westbound : J41 Pentyla/Baglan to J43 Llandarcy : Road closed : 31/01/26-02/02/26 2000-0600 : Diversions in place :
January 24, 2026
Description: M4 : Westbound : J41 Pentyla/Baglan to J43 Llandarcy : Road closed : 31/01/26-02/02/26 2000-0600 : Diversions in place :, Start time: 31/01/2026 20:00 , End Date: 02/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 8:10
M4 : Eastbound : J40 Taibach : Onslip closed : 25/01/26-30/01/26 2000-0600 :
January 25, 2026
Description: M4 : Eastbound : J40 Taibach : Onslip closed : 25/01/26-30/01/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/01/2026 20:00
M4 : Eastbound : J38 Margam : Offslip closed : 25/01/26-04/02/26 2000-0600 :
January 25, 2026
Description: M4 : Eastbound : J38 Margam : Offslip closed : 25/01/26-04/02/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 04/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/01/2026 20:00
M4 : Eastbound : J26 Malpas to J24 Coldra : Road closed : 28/01/26-29/01/26 2000-0600 :
January 24, 2026
Description: M4 : Eastbound : J26 Malpas to J24 Coldra : Road closed : 28/01/26-29/01/26 2000-0600 :, Start time: 28/01/2026 20:00 , End Date: 29/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 8:02
M4 : Westbound : J26 Malpas : Offslip closed : 28/01/26-29/01/26 2000-0600 :
January 24, 2026
Description: M4 : Westbound : J26 Malpas : Offslip closed : 28/01/26-29/01/26 2000-0600 :, Start time: 28/01/2026 20:00 , End Date: 29/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 8:01
M4 : Westbound : Prince of Wales Bridge to J23 Rogiet : 28/01/26-30/01/26 2100-0600 : Road closed : Diversions in place :
January 24, 2026
Description: M4 : Westbound : Prince of Wales Bridge to J23 Rogiet : 28/01/26-30/01/26 2100-0600 : Road closed : Diversions in place :, Start time: 28/01/2026 21:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:51
A487 : Both directions : Dinas Cross to Newport : Road closed : 26/01/26-31/01/26 0600 :
January 26, 2026
Description: A487 : Both directions : Dinas Cross to Newport : Road closed : 26/01/26-31/01/26 0600 :, Start time: 26/01/2026 6:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/01/2026 6:00
A48 : Eastbound : Briton Ferry to SunnyCroft Roundabout : Road closed : 26/01/26-30/01/26 2000-0600 :
January 26, 2026
Description: A48 : Eastbound : Briton Ferry to SunnyCroft Roundabout : Road closed : 26/01/26-30/01/26 2000-0600 :, Start time: 26/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/01/2026 20:00
A470 : Southbound : Taff's Well : Offslip closed : 28/01/26-30/01/26 2000-0600 :
January 24, 2026
Description: A470 : Southbound : Taff's Well : Offslip closed : 28/01/26-30/01/26 2000-0600 :, Start time: 28/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:36
A465 : Eastbound : Ebbw Vale to Brynmawr : 29/01/26-31/01/26 2000-0600 : Road closed : Diversions in place :
January 24, 2026
Description: A465 : Eastbound : Ebbw Vale to Brynmawr : 29/01/26-31/01/26 2000-0600 : Road closed : Diversions in place :, Start time: 29/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:33
A465 : Eastbound : Cefn Coed : 29/01/26-30/01/26 2000-0600 : Road closed : Diversions in place :
January 24, 2026
Description: A465 : Eastbound : Cefn Coed : 29/01/26-30/01/26 2000-0600 : Road closed : Diversions in place :, Start time: 29/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:28
A465 : Westbound : Cefn Coed : 28/01/26-29/01/26 2000-0600 : Road closed : Diversions in place :
January 24, 2026
Description: A465 : Westbound : Cefn Coed : 28/01/26-29/01/26 2000-0600 : Road closed : Diversions in place :, Start time: 28/01/2026 20:00 , End Date: 29/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:27
A465 : Northbound : Rhigos to Hirwaun : 29/01/26-30/01/26 1900-0100 : Closed : Diversions in place :
January 24, 2026
Description: A465 : Northbound : Rhigos to Hirwaun : 29/01/26-30/01/26 1900-0100 : Closed : Diversions in place :, Start time: 29/01/2026 19:00 , End Date: 30/01/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:26
M4 : Eastbound : J25A Grove Park to J25 Caerleon : Inside lane : Closed : 16/01/26-30/01/26
January 23, 2026
Description: M4 : Eastbound : J25A Grove Park to J25 Caerleon : Inside lane : Closed : 16/01/26-30/01/26, Start time: 16/01/2026 3:15 , End Date: 30/01/2026 6:00, Severity: Slight, Source: Welsh Government, Last updated: 23/01/2026 20:37
M4 : Eastbound : J25A Grove Park : Onslip : Closed : 16/01/26-30/01/26
January 23, 2026
Description: M4 : Eastbound : J25A Grove Park : Onslip : Closed : 16/01/26-30/01/26, Start time: 16/01/2026 3:20 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/01/2026 20:36
A458 : Both directions : Middletown to Shropshire : 28/01/26-06/02/26 1900-0600 : Both directions : Resurfacing work : Diversions in place :
January 23, 2026
Description: A458 : Both directions : Middletown to Shropshire : 28/01/26-06/02/26 1900-0600 : Both directions : Resurfacing work : Diversions in place :, Start time: 28/01/2026 19:00 , End Date: 06/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/01/2026 16:43
A40 : Eastbound : Mill Brook : Eastbound : Carriageway maintenance : Closed : Diversions in place : 29/01/26-31/01/26 2000-0600 :
January 20, 2026
Description: A40 : Eastbound : Mill Brook : Eastbound : Carriageway maintenance : Closed : Diversions in place : 29/01/26-31/01/26 2000-0600 :, Start time: 29/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/01/2026 15:44
A483 : Both directions : Builth Wells High St : Road closed : Contraflow in place : 05/01/26-30/01/26
January 05, 2026
Description: A483 : Both directions : Builth Wells High St : Road closed : Contraflow in place : 05/01/26-30/01/26, Start time: 05/01/2026 0:00 , End Date: 30/01/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/01/2026 0:00
A40 : Westbound : Mill Brook : Westbound : Carriageway maintenance : Closed : Diversions in place : 27/01/26-29/01/26 2000-0600 :
January 27, 2026
Description: A40 : Westbound : Mill Brook : Westbound : Carriageway maintenance : Closed : Diversions in place : 27/01/26-29/01/26 2000-0600 :, Start time: 27/01/2026 20:00 , End Date: 29/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/01/2026 20:00
A483 : Both directions : Bronllys to Dolwen Wood : Maintenance works : Closed : Diversions in place : 26/01/26-30/01/26 1900-0600 :
January 26, 2026
Description: A483 : Both directions : Bronllys to Dolwen Wood : Maintenance works : Closed : Diversions in place : 26/01/26-30/01/26 1900-0600 :, Start time: 26/01/2026 19:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/01/2026 19:00
M4 : Westbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :
January 22, 2026
Description: M4 : Westbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :, Start time: 22/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/01/2026 20:00
M4 : Eastbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :
January 22, 2026
Description: M4 : Eastbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :, Start time: 22/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/01/2026 20:00
M4 : Both directions : J37 Pyle to J42 Earlswood : Cyclic maintenance : 1 lane closed on M4 : Entry/Exit slip roads closed : Diversions in place : 25/01/26-01/04/26 2000-0600 :
January 25, 2026
Description: M4 : Both directions : J37 Pyle to J42 Earlswood : Cyclic maintenance : 1 lane closed on M4 : Entry/Exit slip roads closed : Diversions in place : 25/01/26-01/04/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 01/04/2026 6:00, Severity: Moderate, Source: Welsh Government,...
A483 : Both directions : Llandovery : Road closed : Construction work : 04/01/26-30/01/26 2000-0600 : Diversions in place :
January 12, 2026
Description: A483 : Both directions : Llandovery : Road closed : Construction work : 04/01/26-30/01/26 2000-0600 : Diversions in place :, Start time: 04/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/01/2026 13:48
A483 : Both directions : Llandovery to Cynghordy : Carriageway maintenance : Road closed : Diversions in place : 12/01/26-07/02/26 2000-0500 :
January 12, 2026
Description: A483 : Both directions : Llandovery to Cynghordy : Carriageway maintenance : Road closed : Diversions in place : 12/01/26-07/02/26 2000-0500 :, Start time: 12/01/2026 20:00 , End Date: 07/02/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/01/2026 20:00
A483 : Both directions : Llandovery : Resurfacing work : Road closed : Diversions in place : 12/01/26-07/02/26 1900-0500 :
January 12, 2026
Description: A483 : Both directions : Llandovery : Resurfacing work : Road closed : Diversions in place : 12/01/26-07/02/26 1900-0500 :, Start time: 12/01/2026 19:00 , End Date: 07/02/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/01/2026 19:00
