December 18, 2019
M4 : Westbound : J41 Pentyla/Baglan to J42 Earlswood : Carriageway maintenance : Road closed : Diversions in place : 03/03/26-07/03/26 2000-0600 :
February 27, 2026
Description: M4 : Westbound : J41 Pentyla/Baglan to J42 Earlswood : Carriageway maintenance : Road closed : Diversions in place : 03/03/26-07/03/26 2000-0600 :, Start time: 03/03/2026 20:00 , End Date: 07/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:52
M4 : Eastbound : J41 Pentyla/Baglan to J40 Taibach : Carriageway maintenance : Road closed : Diversions in place : 01/03/26-02/03/26 2000-0600 :
February 27, 2026
Description: M4 : Eastbound : J41 Pentyla/Baglan to J40 Taibach : Carriageway maintenance : Road closed : Diversions in place : 01/03/26-02/03/26 2000-0600 :, Start time: 01/03/2026 20:00 , End Date: 02/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:51
M4 : Both directions : J37 Pyle to J38 Margam : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :
February 27, 2026
Description: M4 : Both directions : J37 Pyle to J38 Margam : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 07/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:50
M4 : Westbound : J36 Sarn : Carriageway maintenance : Onslip closed : Diversions in place : 01/03/26-02/03/26 2000-0600 :
February 27, 2026
Description: M4 : Westbound : J36 Sarn : Carriageway maintenance : Onslip closed : Diversions in place : 01/03/26-02/03/26 2000-0600 :, Start time: 01/03/2026 20:00 , End Date: 02/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:48
M4 : Eastbound : J36 Sarn : Cyclic maintenance : Onslip closed : Diversions in place : 02/03/26-21/03/26 2000-0600 :
February 27, 2026
Description: M4 : Eastbound : J36 Sarn : Cyclic maintenance : Onslip closed : Diversions in place : 02/03/26-21/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 21/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:47
M4 : Westbound : J35 Pencoed : Carriageway maintenance : Onslip closed : Diversions in place : 01/03/26-02/03/26 2000-0600 :
February 27, 2026
Description: M4 : Westbound : J35 Pencoed : Carriageway maintenance : Onslip closed : Diversions in place : 01/03/26-02/03/26 2000-0600 :, Start time: 01/03/2026 20:00 , End Date: 02/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:46
M4 : Westbound : J25 Caerleon to J26 Malpas : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-04/03/26 2000-0600 :
February 27, 2026
Description: M4 : Westbound : J25 Caerleon to J26 Malpas : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-04/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 04/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:35
M4 : Eastbound : J26 Malpas : Carriageway maintenance : Onslip closed : Diversions in place : 02/03/26-06/03/26 2000-0600 :
February 27, 2026
Description: M4 : Eastbound : J26 Malpas : Carriageway maintenance : Onslip closed : Diversions in place : 02/03/26-06/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 06/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:37
M4 : Eastbound : J28 Tredegar Park to J24 Coldra : Carriageway maintenance : Road closed : Diversions in place : 04/03/26-06/03/26 2000-0600 :
February 27, 2026
Description: M4 : Eastbound : J28 Tredegar Park to J24 Coldra : Carriageway maintenance : Road closed : Diversions in place : 04/03/26-06/03/26 2000-0600 :, Start time: 04/03/2026 20:00 , End Date: 06/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:38
M4 : Westbound : J24 Coldra to J28 Tredegar Park : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-04/03/26 2000-0600 :
February 27, 2026
Description: M4 : Westbound : J24 Coldra to J28 Tredegar Park : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-04/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 04/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:14
M4 : Westbound : J23A Magor : Carriageway maintenance : Entry slip road closed : Diversions in place : 02/03/26-05/03/26 2100-0600 :
February 27, 2026
Description: M4 : Westbound : J23A Magor : Carriageway maintenance : Entry slip road closed : Diversions in place : 02/03/26-05/03/26 2100-0600 :, Start time: 02/03/2026 21:00 , End Date: 05/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:13
A470 : Southbound : Pontypridd to Nantgarw : Carriageway maintenance : Road closed : Diversions in place : 05/03/26-06/03/26 2000-0600 :
February 27, 2026
Description: A470 : Southbound : Pontypridd to Nantgarw : Carriageway maintenance : Road closed : Diversions in place : 05/03/26-06/03/26 2000-0600 :, Start time: 05/03/2026 20:00 , End Date: 06/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:08
A465 : Westbound : Abergavenny Hardwick R/bout to Gilwern : Resurfacing work : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :
February 27, 2026
Description: A465 : Westbound : Abergavenny Hardwick R/bout to Gilwern : Resurfacing work : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 07/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:07
A465 : Westbound : Rhymney : Carriageway maintenance : Onslip closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :
February 27, 2026
Description: A465 : Westbound : Rhymney : Carriageway maintenance : Onslip closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 07/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:05
A465 : Westbound : Aberdulais to Neath : Surveys : Road closed : Diversions in place : 04/03/26-06/03/26 2000-0600 :
February 27, 2026
Description: A465 : Westbound : Aberdulais to Neath : Surveys : Road closed : Diversions in place : 04/03/26-06/03/26 2000-0600 :, Start time: 04/03/2026 20:00 , End Date: 06/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 16:04
A465 : Eastbound : Aberdulais to Resolven : Surveys : Road closed : Diversions in place : 02/03/26-04/03/26 2000-0600 :
February 27, 2026
Description: A465 : Eastbound : Aberdulais to Resolven : Surveys : Road closed : Diversions in place : 02/03/26-04/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 04/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 15:59
A465 : Southbound : Neath to Llandarcy : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-03/03/26 2000-0100 :
February 27, 2026
Description: A465 : Southbound : Neath to Llandarcy : Carriageway maintenance : Road closed : Diversions in place : 02/03/26-03/03/26 2000-0100 :, Start time: 02/03/2026 20:00 , End Date: 03/03/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 14:45
A4232 : Eastbound : M4 J33 Capel Llanilltern : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :
February 27, 2026
Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 07/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 14:41
A55 : Westbound : J9 Treborth : Onslip closed : Electrical work : Diversions in place : 16/02/26-04/03/26 2000-0500 :
February 27, 2026
Description: A55 : Westbound : J9 Treborth : Onslip closed : Electrical work : Diversions in place : 16/02/26-04/03/26 2000-0500 :, Start time: 16/02/2026 20:00 , End Date: 04/03/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 14:12
A487 : Both directions : Porthmadog Bypass : Emergency work : Road closed : Diversions in place : 01/03/26 0700-1900 :
February 27, 2026
Description: A487 : Both directions : Porthmadog Bypass : Emergency work : Road closed : Diversions in place : 01/03/26 0700-1900 :, Start time: 01/03/2026 7:00 , End Date: 01/03/2026 19:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 14:08
A55 : Both directions : J19 Glan Conwy : Resurfacing work : Offslip closed : Onslip closed : Local lanes closed : Diversions in place : 28/02/26-05/03/26 1900-0600 :
February 26, 2026
Description: A55 : Both directions : J19 Glan Conwy : Resurfacing work : Offslip closed : Onslip closed : Local lanes closed : Diversions in place : 28/02/26-05/03/26 1900-0600 :, Start time: 28/02/2026 19:00 , End Date: 05/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last...
A487 : Both directions : Tre Taliesin : Closed : Diversions in place : 04/03/26-13/03/26 1900-0600 :
February 26, 2026
Description: A487 : Both directions : Tre Taliesin : Closed : Diversions in place : 04/03/26-13/03/26 1900-0600 :, Start time: 04/03/2026 19:00 , End Date: 13/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/02/2026 10:59
M4 : Eastbound : J33 Capel Llanilltern : Overbridge : Carriageway maintenance : Closed : 02/03/26-05/03/26 2000-0600 :
February 23, 2026
Description: M4 : Eastbound : J33 Capel Llanilltern : Overbridge : Carriageway maintenance : Closed : 02/03/26-05/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 05/03/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 23/02/2026 14:37
A55 : Eastbound : J34 Ewloe Loop to J35 Dobs Hill : 28/02/26-01/03/26 : Closed : Diversions in place :
February 27, 2026
Description: A55 : Eastbound : J34 Ewloe Loop to J35 Dobs Hill : 28/02/26-01/03/26 : Closed : Diversions in place :, Start time: 27/02/2026 20:00 , End Date: 02/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 20:00
A55 : Eastbound : J34 Ewloe Loop to J35 Dobs Hill : 22/02/26-16/03/26 2000-0600 : Closed : Diversions in place : Resurfacing work :
February 23, 2026
Description: A55 : Eastbound : J34 Ewloe Loop to J35 Dobs Hill : 22/02/26-16/03/26 2000-0600 : Closed : Diversions in place : Resurfacing work :, Start time: 22/02/2026 20:00 , End Date: 16/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 8:14
A55 : Eastbound : J35 Dobs Hill : onslip : Resurfacing work : Closed : Diversions in place : 22/02/26-16/03/26 2000-0600 :
February 23, 2026
Description: A55 : Eastbound : J35 Dobs Hill : onslip : Resurfacing work : Closed : Diversions in place : 22/02/26-16/03/26 2000-0600 :, Start time: 22/02/2026 20:00 , End Date: 16/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 8:04
A494 : Eastbound : Ewloe : onslip : Closed : Diversions in place : Resurfacing work : 22/02/26-16/03/26 2000-0600 :
February 23, 2026
Description: A494 : Eastbound : Ewloe : onslip : Closed : Diversions in place : Resurfacing work : 22/02/26-16/03/26 2000-0600 :, Start time: 22/02/2026 20:00 , End Date: 16/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 7:59
M4 : Eastbound : J36 Sarn : 23/02/26-28/02/26 2000-0600 : Clearance work : Entry slip road closed : Diversions in place :
February 23, 2026
Description: M4 : Eastbound : J36 Sarn : 23/02/26-28/02/26 2000-0600 : Clearance work : Entry slip road closed : Diversions in place :, Start time: 23/02/2026 20:00 , End Date: 28/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 20:00
M4 : Eastbound : J35 Pencoed : 23/02/26-28/02/26 2000-0600 : Clearance work : Exit slip road closed : Diversions in place :
February 23, 2026
Description: M4 : Eastbound : J35 Pencoed : 23/02/26-28/02/26 2000-0600 : Clearance work : Exit slip road closed : Diversions in place :, Start time: 23/02/2026 20:00 , End Date: 28/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 20:00
M4 : Eastbound : J47 Penllergaer : 27/02/26-28/02/26 1900-0900 : Carriageway maintenance : Offslip closed : Diversions in place :
February 27, 2026
Description: M4 : Eastbound : J47 Penllergaer : 27/02/26-28/02/26 1900-0900 : Carriageway maintenance : Offslip closed : Diversions in place :, Start time: 27/02/2026 19:00 , End Date: 28/02/2026 9:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 19:00
M4 : Eastbound : J45 Ynysforgan : 26/02/26-04/03/26 2000-0600 : Surveys : Entry slip road closed : Diversions in place :
February 26, 2026
Description: M4 : Eastbound : J45 Ynysforgan : 26/02/26-04/03/26 2000-0600 : Surveys : Entry slip road closed : Diversions in place :, Start time: 26/02/2026 20:00 , End Date: 04/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/02/2026 20:00
M48 : Eastbound : J2 Newhouse to J1 Aust : 27/02/26-02/03/26 2000-0600 : Maintenance work : Closed : Diversions in place :
February 27, 2026
Description: M48 : Eastbound : J2 Newhouse to J1 Aust : 27/02/26-02/03/26 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 27/02/2026 20:00 , End Date: 02/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 20:00
A465 : Westbound : Rhymney : 24/02/26-28/02/26 2000-0600 : Maintenance work : Entry slip road closed : Exit slip road closed : Diversions in place :
February 24, 2026
Description: A465 : Westbound : Rhymney : 24/02/26-28/02/26 2000-0600 : Maintenance work : Entry slip road closed : Exit slip road closed : Diversions in place :, Start time: 24/02/2026 20:00 , End Date: 28/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/02/2026 20:00
A465 : Both directions : Dowlais Top to Tredegar : Carriageway maintenance : Road closed : Diversions in place : 24/02/26-03/03/26 2000-0600 :
February 24, 2026
Description: A465 : Both directions : Dowlais Top to Tredegar : Carriageway maintenance : Road closed : Diversions in place : 24/02/26-03/03/26 2000-0600 :, Start time: 24/02/2026 20:00 , End Date: 03/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/02/2026 20:00
A470 : Both directions : Mallwyd : Carriageway maintenance : Road closed : Diversions in place : 23/02/26-13/03/26 1900-0600 :
February 23, 2026
Description: A470 : Both directions : Mallwyd : Carriageway maintenance : Road closed : Diversions in place : 23/02/26-13/03/26 1900-0600 :, Start time: 23/02/2026 19:00 , End Date: 13/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 19:00
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
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,...
