December 18, 2019
M4 : Westbound : J25A Grove Park to J28 Tredegar Park : 17/06/26-19/06/26 2000-0600 : Maintenance work : Road closed : Diversions in place : 17/06/26-19/06/26 2000-0600 :
June 17, 2026
Description: M4 : Westbound : J25A Grove Park to J28 Tredegar Park : 17/06/26-19/06/26 2000-0600 : Maintenance work : Road closed : Diversions in place : 17/06/26-19/06/26 2000-0600 :, Start time: 17/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last...
M4 : Westbound : J39 Groes : 18/06/26-19/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :
June 13, 2026
Description: M4 : Westbound : J39 Groes : 18/06/26-19/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 18/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/06/2026 8:10
M4 : Eastbound : J23 Rogiet : 17/06/26-19/06/26 2000-0600 : Maintenance work : Closed : Diversions in place :
June 17, 2026
Description: M4 : Eastbound : J23 Rogiet : 17/06/26-19/06/26 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/06/2026 20:00
A470 : Southbound : Taff's Well : 17/06/26-19/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :
June 17, 2026
Description: A470 : Southbound : Taff's Well : 17/06/26-19/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/06/2026 20:00
M48 : Eastbound : J2 Newhouse to J1 Aust : 17/06/26-19/06/26 2000-0600 : Improvement work : Offslip closed : Onslip closed : Diversions in place :
June 17, 2026
Description: M48 : Eastbound : J2 Newhouse to J1 Aust : 17/06/26-19/06/26 2000-0600 : Improvement work : Offslip closed : Onslip closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/06/2026 20:00
A55 : Westbound : J34 Ewloe Loop to J35 Dobs Hill : Maintenance work : Road closed : Diversions in place : 15/06/26-19/06/26 1930-0600 :
June 15, 2026
Description: A55 : Westbound : J34 Ewloe Loop to J35 Dobs Hill : Maintenance work : Road closed : Diversions in place : 15/06/26-19/06/26 1930-0600 :, Start time: 15/06/2026 19:30 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/06/2026 19:30
A494 : Both directions : Ewloe : Carriageway maintenance : Entry slip road closed : Eastbound : and Exit slip road closed : Both directions : 15/06/26-19/06/26 1930-0600 :
June 15, 2026
Description: A494 : Both directions : Ewloe : Carriageway maintenance : Entry slip road closed : Eastbound : and Exit slip road closed : Both directions : 15/06/26-19/06/26 1930-0600 :, Start time: 15/06/2026 19:30 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government,...
A483 : Northbound : Rhostyllen : Resurfacing work : Exit slip road closed : Diversions in place : 15/06/26-19/06/26 1900-0600 :
June 15, 2026
Description: A483 : Northbound : Rhostyllen : Resurfacing work : Exit slip road closed : Diversions in place : 15/06/26-19/06/26 1900-0600 :, Start time: 15/06/2026 19:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/06/2026 19:00
A483 : Southbound : Rhostyllen : Resurfacing work : Exit slip road closed : Diversions in place : 08/06/26-19/06/26 1900-0600 :
June 12, 2026
Description: A483 : Southbound : Rhostyllen : Resurfacing work : Exit slip road closed : Diversions in place : 08/06/26-19/06/26 1900-0600 :, Start time: 08/06/2026 19:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/06/2026 13:46
A40 : Both directions : Crickhowell : Resurfacing work : Road closed : Diversions in place : 15/06/26-19/06/26 1900-0700 :
June 15, 2026
Description: A40 : Both directions : Crickhowell : Resurfacing work : Road closed : Diversions in place : 15/06/26-19/06/26 1900-0700 :, Start time: 15/06/2026 19:00 , End Date: 19/06/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/06/2026 19:00
A458 : Both directions : Foel : Resurfacing work : Temporary traffic lights : Slow traffic : 15/06/26-30/07/26 0900-1800 :
June 15, 2026
Description: A458 : Both directions : Foel : Resurfacing work : Temporary traffic lights : Slow traffic : 15/06/26-30/07/26 0900-1800 :, Start time: 15/06/2026 9:00 , End Date: 30/07/2026 18:00, Severity: Moderate, Source: Welsh Government, Last updated: 15/06/2026 9:00
A470 : Westbound : Llanidloes : Resurfacing work : Temporary traffic lights : Slow traffic : 15/06/26-17/07/26 0830-1700 :
June 15, 2026
Description: A470 : Westbound : Llanidloes : Resurfacing work : Temporary traffic lights : Slow traffic : 15/06/26-17/07/26 0830-1700 :, Start time: 15/06/2026 8:30 , End Date: 17/07/2026 17:00, Severity: Moderate, Source: Welsh Government, Last updated: 15/06/2026 8:30
A470 : Both directions : A55 J19 Glan Conwy : Resurfacing work : Road closed : Diversions in place : 16/06/26-21/06/26 1900-0600 :
June 16, 2026
Description: A470 : Both directions : A55 J19 Glan Conwy : Resurfacing work : Road closed : Diversions in place : 16/06/26-21/06/26 1900-0600 :, Start time: 16/06/2026 19:00 , End Date: 21/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/06/2026 19:00
A458 : Both directions : Trewern : 15/06/26-23/06/26 1900-0600 : Resurfacing work : Closed : Diversions in place :
June 15, 2026
Description: A458 : Both directions : Trewern : 15/06/26-23/06/26 1900-0600 : Resurfacing work : Closed : Diversions in place :, Start time: 15/06/2026 19:00 , End Date: 23/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/06/2026 19:00
A487 : Both directions : Tan-y-bwlch : 10/06/26-19/06/26 0700-1600 : Resurfacing work : Temporary traffic lights : 10mph convoy : Slow traffic :
June 10, 2026
Description: A487 : Both directions : Tan-y-bwlch : 10/06/26-19/06/26 0700-1600 : Resurfacing work : Temporary traffic lights : 10mph convoy : Slow traffic :, Start time: 10/06/2026 7:00 , End Date: 19/06/2026 16:00, Severity: Moderate, Source: Welsh Government, Last updated: 10/06/2026 7:00
A487 : Both directions : Maentwrog : Resurfacing work : Temporary traffic lights : 10/06/26-19/06/26 0700-1600 :
June 10, 2026
Description: A487 : Both directions : Maentwrog : Resurfacing work : Temporary traffic lights : 10/06/26-19/06/26 0700-1600 :, Start time: 10/06/2026 7:00 , End Date: 19/06/2026 16:00, Severity: Moderate, Source: Welsh Government, Last updated: 10/06/2026 7:00
M4 : Eastbound : M4 St Julians Viaduct : 27/04/26-30/11/26 0600 :
April 27, 2026
Description: M4 : Eastbound : M4 St Julians Viaduct : 27/04/26-30/11/26 0600 :, Start time: 27/04/2026 6:00 , End Date: 30/11/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 27/04/2026 6:00
A40 : Eastbound : Monmouth Dixton R/bout to Servicebridge : 14/04/26-30/06/26 0600 : Contraflow :
April 14, 2026
Description: A40 : Eastbound : Monmouth Dixton R/bout to Servicebridge : 14/04/26-30/06/26 0600 : Contraflow :, Start time: 14/04/2026 6:00 , End Date: 30/06/2026 6:00, Severity: Severe, Source: Welsh Government, Last updated: 14/04/2026 6:00
A40 : Eastbound : Westbound : Abergavenny Hardwick R/bout to Abergavenny : 04/03/26-25/06/26 0930-1530 : Roadworks : STOP/GO in use :
April 03, 2026
Description: A40 : Eastbound : Westbound : Abergavenny Hardwick R/bout to Abergavenny : 04/03/26-25/06/26 0930-1530 : Roadworks : STOP/GO in use :, Start time: 04/03/2026 9:30 , End Date: 25/06/2026 15:30, Severity: Moderate, Source: Welsh Government, Last updated: 03/04/2026 11:10
A487 : Both directions : Aberystwyth Commins Coch : Improvement work : Temporary traffic lights : 02/02/26-23/06/26 0900-1600 :
February 02, 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: 02/02/2026 9:00
