M4 : Eastbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :
ActiveDescription: M4 : Eastbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :, Start time: 19/08/2026 7:57 , Expected end time: 19/08/2026 9:57, Severity: Moderate, Source: Welsh Government, Last updated: 19/08/2026 7:57
- Start time
- To be confirmed
- Expected end
- Awaiting update
- Duration
- Live incident
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- First published
- Wed, Aug 19, 2026 7:57 AM
- Coordinates
- 51.506802, -3.308591
- Feed provider
- Traffic Wales
- Coordinate source
- Georss Point
Source: Traffic Wales data feed
Related incidents
A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :
Active Roadworks Traffic WalesDescription: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 19/08/2026 8:05 , Expected end time: 19/08/2026 10:05, Severity: Moderate, Source: Welsh Government, Last updated: 19/08/2026 8:05
A470 : Northbound : Taff's Well : 17/08/26-07/09/26 2000-0600 : Improvement work : Entry slip road closed : Diversions in place :
Active Roadworks Traffic WalesDescription: A470 : Northbound : Taff's Well : 17/08/26-07/09/26 2000-0600 : Improvement work : Entry slip road closed : Diversions in place :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :
Active Roadworks Traffic WalesDescription: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 19/08/2026 7:02 , Expected end time: 19/08/2026 9:02, Severity: Moderate, Source: Welsh Government, Last updated: 19/08/2026 7:02
M4 : Westbound : J32 Coryton : Offslip closed : 16/05/26-17/05/26 2000-0600 : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 2 days ago
Description: M4 : Westbound : J32 Coryton : Offslip closed : 16/05/26-17/05/26 2000-0600 : Diversions in place :, Start time: 16/05/2026 20:00 , End Date: 17/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/05/2026 20:00