The following traffic incidents and congestion for Llanblethian have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:
NANTGARWDescription: A470NorthboundNantgarwCongestionoffslip
Delay: s possible :, Start time: 28/04/2026 16:03 , Expected end time: 28/04/2026 19:03, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:03
Nearest town: 10.83 miles from Llanblethian.
A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERNDescription: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternCongestion
Delay: s possible :, Start time: 28/04/2026 15:26 , Expected end time: 28/04/2026 18:26, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 15:26
Nearest town: 7.52 miles from Llanblethian.
CLEARED @ 15:42 EASTBOUNDDescription: M4Now clearEastboundJ33 (Cardiff) Capel Llanilltern, Start time: 28/04/2026 9:38 , Expected end time: 28/04/2026 9:43, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 9:38
Nearest town: 7.22 miles from Llanblethian.
CLEARED @ 10:54 SOUTHBOUNDDescription: A470Now clearSouthboundNantgarw to Coryton, Start time: 28/04/2026 9:38 , Expected end time: 28/04/2026 9:43, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 9:38
Nearest town: 10.24 miles from Llanblethian.
CLEARED @ 10:54 NORTHBOUNDDescription: A4232Now clearNorthboundA48 Interchange to M4 J33 Capel Llanilltern, Start time: 28/04/2026 9:29 , Expected end time: 28/04/2026 9:34, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 9:29
Nearest town: 7.52 miles from Llanblethian.
CLEARED @ 10:42 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: 27/04/2026 20:00
Nearest town: 16 miles from Llanblethian.
CLEARED @ 12:30 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: 27/04/2026 20:00
Nearest town: 14.85 miles from Llanblethian.
CLEARED @ 12:30 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: 27/04/2026 20:00
Nearest town: 16.54 miles from Llanblethian.
CLEARED @ 12:30 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: 27/04/2026 20:00
Nearest town: 17.11 miles from Llanblethian.
CLEARED @ 12:30 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: 27/04/2026 20:00
Nearest town: 10.23 miles from Llanblethian.
CLEARED @ 12:18 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: 27/04/2026 20:00
Nearest town: 8.75 miles from Llanblethian.
CLEARED @ 12:18 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: 27/04/2026 20:00
Nearest town: 4.58 miles from Llanblethian.
CLEARED @ 12:18 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: 10.29 miles from Llanblethian.
CLEARED @ 12:06 TAFF'S WELLDescription: A470NorthboundTaffs WellRoadworksRoad closedDiversions in placeEntry slip road closed28/04/26-29/04/26 2000-0100 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/04/2026 7:54
Nearest town: 10.1 miles from Llanblethian.
CLEARED @ 12:06 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: 27/04/2026 20:00
Nearest town: 7.16 miles from Llanblethian.
CLEARED @ 11:54