M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Congestion : Delays possible :
ActiveDescription: M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Congestion : Delays possible :, Start time: 19/08/2026 16:19 , Expected end time: 19/08/2026 18:19, Severity: Moderate, Source: Welsh Government, Last updated: 19/08/2026 16:19
- Start time
- To be confirmed
- Expected end
- Awaiting update
- Duration
- Live incident
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- First published
- Wed, Aug 19, 2026 4:19 PM
- Coordinates
- 51.517441, -3.277246
- Feed provider
- Traffic Wales
- Coordinate source
- Georss Point
Source: Traffic Wales data feed
Related incidents
A470 : Northbound : Coryton to Taff's Well : Congestion : Delays possible :
Active Roadworks Traffic WalesDescription: A470 : Northbound : Coryton to Taff's Well : Congestion : Delays possible :, Start time: 19/08/2026 16:21 , Expected end time: 19/08/2026 18:21, Severity: Moderate, Source: Welsh Government, Last updated: 19/08/2026 16:21
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 : Now clear : Southbound : Nantgarw to Coryton
Active Roadworks Traffic WalesDescription: A470 : Now clear : Southbound : Nantgarw to Coryton, Start time: 19/08/2026 17:48 , Expected end time: 19/08/2026 17:53, Severity: Moderate, Source: Welsh Government, Last updated: 19/08/2026 17:48
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