The following traffic incidents and congestion for Abercynon have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:
J26 MALPAS TO J23 ROGIETDescription: M4EastboundJ26 (Newport) Malpas to J23 (Chepstow) RogietCongestionDue to Broken down vehicle
Delay: s possible :, Start time: 25/04/2026 13:22 , Expected end time: 25/04/2026 17:22, Severity: Severe, Source: Welsh Government, Last updated: 25/04/2026 13:22
Nearest town: 19.09 miles from Abercynon.
CLEARED @ 13:30 WESTBOUNDDescription: A40EastboundWestboundAbergavenny Hardwick R/bout to Abergavenny04/03/26-25/06/26 0930-1530RoadworksSTOP/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
Nearest town: 17.96 miles from Abercynon.
CLEARED @ 13:54 J38 MARGAM TO J41 PENTYLA/BAGLANDescription: M4WestboundJ38 (Port Talbot) Margam to J41 (Port Talbot) Pentyla/BaglanRoadworksRoad closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:40
Nearest town: 19.12 miles from Abercynon.
CLEARED @ 12:06 J39 GROESDescription: M4WestboundJ39 GroesEntry slip road closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:41
Nearest town: 18.63 miles from Abercynon.
CLEARED @ 12:06 J40 TAIBACHDescription: M4WestboundJ40 (Port Talbot) TaibachEntry slip road closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:43
Nearest town: 19.27 miles from Abercynon.
CLEARED @ 12:06 J40 TAIBACH TO J41 PENTYLA/BAGLANDescription: M4EastboundJ40 (Port Talbot) Taibach to J41 (Port Talbot) Pentyla/BaglanResurfacing workRoad closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:44
Nearest town: 19.57 miles from Abercynon.
CLEARED @ 12:06 J25A GROVE PARK TO J26 MALPASDescription: M4Both directionsJ25A (Newport) Grove Park to J26 (Newport) MalpasRoadworksRoad closedDiversions in place29/04/26-01/05/26 2000-0600 :, Start time: 29/04/2026 20:00 , End Date: 01/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:36
Nearest town: 14.66 miles from Abercynon.
CLEARED @ 11:54 J32 CORYTONDescription: M4EastboundJ32 (Cardiff) CorytonExit slip road closedDiversions in place27/04/26-01/05/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 01/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:35
Nearest town: 9.08 miles from Abercynon.
CLEARED @ 11:54 J33 CAPEL LLANILLTERN TO J32 CORYTONDescription: M4EastboundJ33 (Cardiff) Capel Llanilltern to J32 (Cardiff) CorytonResurfacing workRoad closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:38
Nearest town: 9.19 miles from Abercynon.
CLEARED @ 11:54 J35 PENCOEDDescription: M4WestboundJ35 (Pen-coed) PencoedExit slip road closedDiversions in place27/04/26-01/05/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 01/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:38
Nearest town: 11.72 miles from Abercynon.
CLEARED @ 11:54 BRYNMAWRDescription: A465WestboundBrynmawrExit slip road closedDiversions in place28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:25
Nearest town: 12.94 miles from Abercynon.
CLEARED @ 11:42 CORYTONDescription: A470NorthboundCorytonEntry slip road closedDiversions in place29/04/26-30/04/26 2000-0100 :, Start time: 29/04/2026 20:00 , End Date: 30/04/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:27
Nearest town: 8.97 miles from Abercynon.
CLEARED @ 11:42 TAFF'S WELLDescription: A470SouthboundTaffs WellEntry slip road closedDiversions in place28/04/26-29/04/26 2000-0100 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:28
Nearest town: 8.15 miles from Abercynon.
CLEARED @ 11:42 M4 J33 CAPEL LLANILLTERNDescription: A4232EastboundM4 J33 Capel LlanillternRoadworksExit slip road closed27/04/26-01/05/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 01/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:13
Nearest town: 9.75 miles from Abercynon.
CLEARED @ 11:30