Road closure archive
Search previously cleared incidents, planned works and cancelled closures. Use precise date ranges or focus on a particular corridor to understand how the network has been disrupted recently.
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366 archived incidents found
Filters applied: Region: cardiff • Status: Cleared
M4 : Eastbound : J33 Capel Llanilltern : Congestion :
Cleared Roadworks Traffic WalesCleared 2 months 1 week ago
Description: M4 : Eastbound : J33 Capel Llanilltern : Congestion :, Start time: 21/05/2026 7:38 , Expected end time: 21/05/2026 7:55, Severity: Moderate, Source: Welsh Government, Last updated: 21/05/2026 7:38
M4 : Eastbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :
Cleared Roadworks Traffic WalesCleared 2 months 1 week ago
Description: M4 : Eastbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :, Start time: 20/05/2026 7:22 , Expected end time: 20/05/2026 10:22, Severity: Moderate, Source: Welsh Government, Last updated: 20/05/2026 7:22
A470 : Southbound : Upper Boat to Coryton : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 2 months 1 week ago
Description: A470 : Southbound : Upper Boat to Coryton : Congestion : Delays possible :, Start time: 20/05/2026 7:20 , Expected end time: 20/05/2026 9:20, Severity: Moderate, Source: Welsh Government, Last updated: 20/05/2026 7:20
A470 : Now clear : Both directions : Coryton
Cleared Roadworks Traffic WalesCleared 2 months 1 week ago
Description: A470 : Now clear : Both directions : Coryton, Start time: 20/05/2026 6:53 , Expected end time: 20/05/2026 6:58, Severity: Moderate, Source: Welsh Government, Last updated: 20/05/2026 6:53
A4232 : Southbound : St Fagans to A48 Interchange : Incident : Accident : Delays possible :
Cleared Roadworks Traffic WalesCleared 2 months 1 week ago
Description: A4232 : Southbound : St Fagans to A48 Interchange : Incident : Accident : Delays possible :, Start time: 19/05/2026 8:28 , Expected end time: 19/05/2026 10:28, Severity: Moderate, Source: Welsh Government, Last updated: 19/05/2026 8:28
M4 : Now clear : Eastbound : J34 Miskin to J32 Coryton
Cleared Roadworks Traffic WalesCleared 2 months 2 weeks ago
Description: M4 : Now clear : Eastbound : J34 Miskin to J32 Coryton, Start time: 18/05/2026 9:08 , Expected end time: 18/05/2026 9:13, Severity: Moderate, Source: Welsh Government, Last updated: 18/05/2026 9:08
M4 : Westbound : J32 Coryton : Offslip closed : 16/05/26-17/05/26 2000-0600 : Diversions in place :
Cleared Roadworks Traffic WalesCleared 2 months 2 weeks 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
M4 : Now clear : Eastbound : J32 Coryton to J30 Cardiff Gate
Cleared Roadworks Traffic WalesCleared 2 months 2 weeks ago
Description: M4 : Now clear : Eastbound : J32 Coryton to J30 Cardiff Gate, Start time: 14/05/2026 18:52 , Expected end time: 14/05/2026 18:57, Severity: Moderate, Source: Welsh Government, Last updated: 14/05/2026 18:52
M4 : Now clear : Westbound : J30 Cardiff Gate to J32 Coryton
Cleared Roadworks Traffic WalesCleared 2 months 2 weeks ago
Description: M4 : Now clear : Westbound : J30 Cardiff Gate to J32 Coryton, Start time: 14/05/2026 18:27 , Expected end time: 14/05/2026 18:32, Severity: Slight, Source: Welsh Government, Last updated: 14/05/2026 18:27
M4 : Eastbound : J32 Coryton : Offslip closed : 11/05/26-14/05/26 2200-0600 : Diversions in place :
Cleared Roadworks Traffic WalesCleared 2 months 2 weeks ago
Description: M4 : Eastbound : J32 Coryton : Offslip closed : 11/05/26-14/05/26 2200-0600 : Diversions in place :, Start time: 11/05/2026 22:00 , End Date: 14/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/05/2026 22:00
M4 : Eastbound : J32 Coryton : offslip : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 2 months 2 weeks ago
Description: M4 : Eastbound : J32 Coryton : offslip : Congestion : Delays possible :, Start time: 12/05/2026 16:38 , Expected end time: 12/05/2026 19:38, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 16:38
A470 : Now clear : Northbound : Taff's Well to Nantgarw
Cleared Roadworks Traffic WalesCleared 2 months 2 weeks ago
Description: A470 : Now clear : Northbound : Taff's Well to Nantgarw, Start time: 12/05/2026 15:47 , Expected end time: 12/05/2026 15:52, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 15:47
M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Road closed : 09/05/26-11/05/26 2000-0600 : Diversions in place :
Cleared Roadworks Traffic WalesCleared 2 months 3 weeks ago
Description: M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Road closed : 09/05/26-11/05/26 2000-0600 : Diversions in place :, Start time: 09/05/2026 20:00 , End Date: 11/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/05/2026 20:00
M4 : Westbound : J33 Capel Llanilltern : Offslip closed : Onslip closed : 07/05/26-09/05/26 2000-0600 : Diversions in place :
Cleared Roadworks Traffic WalesCleared 2 months 3 weeks ago
Description: M4 : Westbound : J33 Capel Llanilltern : Offslip closed : Onslip closed : 07/05/26-09/05/26 2000-0600 : Diversions in place :, Start time: 07/05/2026 20:00 , End Date: 09/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/05/2026 20:00
M4 : Eastbound : J32 Coryton : Offslip closed : 05/05/26-09/05/26 2000-0600 : Diversions in place :
Cleared Roadworks Traffic WalesCleared 2 months 3 weeks ago
Description: M4 : Eastbound : J32 Coryton : Offslip closed : 05/05/26-09/05/26 2000-0600 : Diversions in place :, Start time: 05/05/2026 20:00 , End Date: 09/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/05/2026 20:00
A4232 : Eastbound : M4 J33 Capel Llanilltern : 05/05/26-07/05/26 2000-0600 : Maintenance work : Exit slip road closed :
Cleared Roadworks Traffic WalesCleared 2 months 3 weeks ago
Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : 05/05/26-07/05/26 2000-0600 : Maintenance work : Exit slip road closed :, Start time: 05/05/2026 20:00 , End Date: 07/05/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 05/05/2026 20:00
M4 : Now clear : Westbound : J29 Castleton to J32 Coryton
Cleared Roadworks Traffic WalesCleared 2 months 3 weeks ago
Description: M4 : Now clear : Westbound : J29 Castleton to J32 Coryton, Start time: 05/05/2026 9:40 , Expected end time: 05/05/2026 9:45, Severity: Moderate, Source: Welsh Government, Last updated: 05/05/2026 9:40
M4 : Now clear : Eastbound : J30 Cardiff Gate
Cleared Roadworks Traffic WalesCleared 2 months 3 weeks ago
Description: M4 : Now clear : Eastbound : J30 Cardiff Gate, Start time: 05/05/2026 9:41 , Expected end time: 05/05/2026 9:46, Severity: Moderate, Source: Welsh Government, Last updated: 05/05/2026 9:41
M4 : Eastbound : J32 Coryton : Exit slip road closed : Diversions in place : 27/04/26-01/05/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 3 months 10 hours ago
Description: M4 : Eastbound : J32 Coryton : Exit slip road closed : Diversions in place : 27/04/26-01/05/26 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
A4232 : Eastbound : M4 J33 Capel Llanilltern : Roadworks : Exit slip road closed : 27/04/26-01/05/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 3 months 10 hours ago
Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : Roadworks : Exit slip road closed : 27/04/26-01/05/26 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
A470 : Northbound : Coryton : Entry slip road closed : Diversions in place : 29/04/26-30/04/26 2000-0100 :
Cleared Roadworks Traffic WalesCleared 3 months 2 days ago
Description: A470 : Northbound : Coryton : Entry slip road closed : Diversions in place : 29/04/26-30/04/26 2000-0100 :, Start time: 29/04/2026 20:00 , End Date: 30/04/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/04/2026 20:00
M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Resurfacing work : Road closed : Diversions in place : 27/04/26-29/04/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 3 months 3 days ago
Description: M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Resurfacing work : Road closed : Diversions in place : 27/04/26-29/04/26 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
A470 : Northbound : Taff's Well : Roadworks : Road closed : Diversions in place : Entry slip road closed : 28/04/26-29/04/26 2000-0100 :
Cleared Roadworks Traffic WalesCleared 3 months 3 days ago
Description: A470 : Northbound : Taff's Well : Roadworks : Road closed : Diversions in place : Entry slip road closed : 28/04/26-29/04/26 2000-0100 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/04/2026 20:00
A470 : Southbound : Taff's Well to Coryton Interchange : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 3 months 3 days ago
Description: A470 : Southbound : Taff's Well to Coryton Interchange : Congestion : Delays possible :, Start time: 28/04/2026 16:33 , Expected end time: 28/04/2026 19:33, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:33
M4 : Now clear : Eastbound : J30 Cardiff Gate to J29 Castleton
Cleared Roadworks Traffic WalesCleared 3 months 5 days ago
Description: M4 : Now clear : Eastbound : J30 Cardiff Gate to J29 Castleton, Start time: 27/04/2026 14:33 , Expected end time: 27/04/2026 14:38, Severity: Moderate, Source: Welsh Government, Last updated: 27/04/2026 14:33
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