M4 : Westbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :
ActiveDescription: M4 : Westbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :, Start time: 19/10/2026 17:25 , Expected end time: 19/10/2026 18:30, Severity: Moderate, Source: Welsh Government, Last updated: 19/10/2026 17:25
- Start time
- To be confirmed
- Expected end
- Awaiting update
- Duration
- Live incident
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- First published
- Mon, Oct 19, 2026 5:25 PM
- Coordinates
- 51.506802, -3.308591
- Feed provider
- Traffic Wales
- Coordinate source
- Georss Point
Source: Traffic Wales data feed
Related incidents
A470 : Southbound : Coryton : Onslip closed : 18/10/26-22/10/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: A470 : Southbound : Coryton : Onslip closed : 18/10/26-22/10/26 2000-0600 : Diversions in place :, Start time: 18/10/2026 20:00 , End Date: 22/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/10/2026 20:00
A470 : Southbound : Taff's Well : Onslip closed : Diversions in place : 19/10/26-20/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Southbound : Taff's Well : Onslip closed : Diversions in place : 19/10/26-20/10/26 2000-0600 :, Start time: 19/10/2026 20:00 , End Date: 20/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/10/2026 17:30
A470 : Now clear : Northbound : Coryton to Nantgarw
Cleared Roadworks Traffic WalesCleared 24 minutes 1 second ago
Description: A470 : Now clear : Northbound : Coryton to Nantgarw, Start time: 19/10/2026 17:44 , Expected end time: 19/10/2026 17:29, Severity: Moderate, Source: Welsh Government, Last updated: 19/10/2026 17:44
A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 24 minutes 1 second ago
Description: A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern, Start time: 19/10/2026 17:44 , Expected end time: 19/10/2026 17:29, Severity: Moderate, Source: Welsh Government, Last updated: 19/10/2026 17:44
A4232 : Now clear : Southbound : M4 J33 Capel Llanilltern to St Fagans
Cleared Roadworks Traffic WalesCleared 7 hours 19 minutes ago
Description: A4232 : Now clear : Southbound : M4 J33 Capel Llanilltern to St Fagans, Start time: 19/10/2026 10:45 , Expected end time: 19/10/2026 9:41, Severity: Moderate, Source: Welsh Government, Last updated: 19/10/2026 10:45
M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 9 hours 34 minutes ago
Description: M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 19/10/2026 7:51 , Expected end time: 19/10/2026 9:30, Severity: Moderate, Source: Welsh Government, Last updated: 19/10/2026 7:51