J37 PYLE TO J42 EARLSWOODDescription: M4Both directionsJ37 (Porthcawl) Pyle to J42 (Swansea) EarlswoodCyclic maintenance1 lane closed on M4Entry/Exit slip roads closedDiversions in place25/01/26-01/04/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 01/04/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 25/01/2026 20:00
Nearest town: 1.18m from Margam.
WESTBOUNDDescription: M4Now clearWestboundJ43 (Neath) Llandarcy to J44 (Swansea) Lon Las, Start time: 30/01/2026 10:30 , Expected end time: 30/01/2026 10:35, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 10:30
Nearest town: 0.8m from Llandarcy.
SOUTHBOUNDDescription: A470Now clearSouthboundNantgarw to Coryton, Start time: 30/01/2026 9:44 , Expected end time: 30/01/2026 9:49, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 9:44
Nearest town: 0.44m from Flynnon Taf.
CLEARED @ 10:18 EASTBOUNDDescription: M4Now clearEastboundJ33 (Cardiff) Capel Llanilltern, Start time: 30/01/2026 9:44 , Expected end time: 30/01/2026 9:49, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 9:44
Nearest town: 1.63m from Pentyrch.
CLEARED @ 10:18 WESTBOUNDDescription: M4Now clearWestboundJ42 (Swansea) Earlswood to J43 (Neath) Llandarcy, Start time: 30/01/2026 9:44 , Expected end time: 30/01/2026 9:49, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 9:44
Nearest town: 0.62m from Llandarcy.
CLEARED @ 10:18 SOUTHBOUNDDescription: A4232Now clearSouthboundM4 J33 Capel Llanilltern to A48 Interchange, Start time: 30/01/2026 9:44 , Expected end time: 30/01/2026 9:49, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 9:44
Nearest town: 1.37m from Peterston.
CLEARED @ 10:18 J43 LLANDARCY TO J44 LON LASDescription: M4WestboundJ43 (Neath) Llandarcy to J44 (Swansea) Lon LasIncidentBroken down vehicle
Delay: s possible :, Start time: 30/01/2026 10:13 , Expected end time: 30/01/2026 11:13, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 10:13
Nearest town: 0.8m from Llandarcy.
CLEARED @ 10:18 M4 J33 CAPEL LLANILLTERN TO A48 INTERCHANGEDescription: A4232SouthboundM4 J33 Capel Llanilltern to A48 InterchangeCongestion
Delay: s possible :, Start time: 30/01/2026 8:22 , Expected end time: 30/01/2026 11:22, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 8:22
Nearest town: 1.37m from Peterston.
CLEARED @ 08:30 J42 EARLSWOOD TO J43 LLANDARCYDescription: M4WestboundJ42 (Swansea) Earlswood to J43 (Neath) LlandarcyCongestion
Delay: s possible :, Start time: 30/01/2026 8:03 , Expected end time: 30/01/2026 10:03, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 8:03
Nearest town: 0.62m from Llandarcy.
CLEARED @ 08:18 J33 CAPEL LLANILLTERNDescription: M4EastboundJ33 (Cardiff) Capel LlanillternCongestionoffslip
Delay: s possible :, Start time: 30/01/2026 7:45 , Expected end time: 30/01/2026 10:45, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 7:45
Nearest town: 1.63m from Pentyrch.
CLEARED @ 07:54 NANTGARW TO CORYTONDescription: A470SouthboundNantgarw to CorytonCongestion
Delay: s possible :, Start time: 30/01/2026 7:12 , Expected end time: 30/01/2026 10:12, Severity: Moderate, Source: Welsh Government, Last updated: 30/01/2026 7:12
Nearest town: 0.44m from Flynnon Taf.
CLEARED @ 07:18 LLANDOVERYDescription: A483Both directionsLlandoveryResurfacing workRoad closedDiversions in place12/01/26-07/02/26 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
Nearest town: 4.77m from Halfway.
LLANDOVERY TO CYNGHORDYDescription: A483Both directionsLlandovery to CynghordyCarriageway maintenanceRoad closedDiversions in place12/01/26-07/02/26 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
Nearest town: 4.44m from Halfway.
J44 LON LASDescription: M4EastboundJ44 (Swansea) Lon LasRoadworksExit slip road closedDiversions in place22/01/26-31/01/26 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
Nearest town: 1.28m from Glais.
J44 LON LASDescription: M4WestboundJ44 (Swansea) Lon LasRoadworksExit slip road closedDiversions in place22/01/26-31/01/26 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
Nearest town: 1.28m from Glais.
J38 MARGAMDescription: M4EastboundJ38 (Port Talbot) MargamOffslip closed25/01/26-04/02/26 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
Nearest town: 0.13m from Margam.
CLEARED @ 09:18 DINAS CROSS TO NEWPORTDescription: A487Both directionsDinas Cross to NewportRoad closed26/01/26-31/01/26 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
Nearest town: 8.11m from Wallis.
CLEARED @ 08:42 LLANIDLOES TO CAERSWSDescription: A470Both directionsLlanidloes to Caersws01/02/26-02/02/26 1900-0600ClosedDiversions in place :, Start time: 01/02/2026 19:00 , End Date: 02/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/01/2026 8:27
Nearest town: 6.26m from Mochdre.
CLEARED @ 08:42 EBBW VALE TO BRYNMAWRDescription: A465EastboundEbbw Vale to Brynmawr29/01/26-31/01/26 2000-0600Road closedDiversions in place :, Start time: 29/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/01/2026 20:00
Nearest town: 0.77m from Brynmawr.
CLEARED @ 08:18