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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699 archived incidents found
Filters applied: Region: cardiff • Status: Cleared
A48M : Now clear : Westbound : J29 Castleton to J29A St Mellons
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: A48M : Now clear : Westbound : J29 Castleton to J29A St Mellons, Start time: 22/09/2026 9:19 , Expected end time: 22/09/2026 9:22, Severity: Moderate, Source: Welsh Government, Last updated: 22/09/2026 9:19
A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 22/09/2026 7:07 , Expected end time: 22/09/2026 9:07, Severity: Moderate, Source: Welsh Government, Last updated: 22/09/2026 7:07
M4 : Now clear : Westbound : J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: M4 : Now clear : Westbound : J33 Capel Llanilltern, Start time: 22/09/2026 8:46 , Expected end time: 22/09/2026 8:42, Severity: Moderate, Source: Welsh Government, Last updated: 22/09/2026 8:46
M4 : Now clear : Eastbound : J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: M4 : Now clear : Eastbound : J33 Capel Llanilltern, Start time: 22/09/2026 8:46 , Expected end time: 22/09/2026 8:44, Severity: Moderate, Source: Welsh Government, Last updated: 22/09/2026 8:46
A470 : Now clear : Southbound : Nantgarw to Coryton
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: A470 : Now clear : Southbound : Nantgarw to Coryton, Start time: 22/09/2026 8:46 , Expected end time: 22/09/2026 8:46, Severity: Moderate, Source: Welsh Government, Last updated: 22/09/2026 8:46
A470 : Westbound : Coryton : 15/09/26-22/09/26 2000-0600 : J32 : M4 Resurfacing work : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: A470 : Westbound : Coryton : 15/09/26-22/09/26 2000-0600 : J32 : M4 Resurfacing work : Closed : Diversions in place :, Start time: 15/09/2026 20:00 , End Date: 22/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/09/2026 20:00
A470 : Now clear : Southbound : Taff's Well to Coryton
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: A470 : Now clear : Southbound : Taff's Well to Coryton, Start time: 21/09/2026 18:55 , Expected end time: 21/09/2026 17:51, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 18:55
M4 : Now clear : Eastbound : J32 Coryton
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: M4 : Now clear : Eastbound : J32 Coryton, Start time: 21/09/2026 18:50 , Expected end time: 21/09/2026 17:46, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 18:50
A470 : Now clear : Northbound : Coryton to Nantgarw
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: A470 : Now clear : Northbound : Coryton to Nantgarw, Start time: 21/09/2026 18:45 , Expected end time: 21/09/2026 17:44, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 18:45
A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 2 weeks 6 days ago
Description: A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern, Start time: 21/09/2026 17:37 , Expected end time: 21/09/2026 17:42, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 17:37
A470 : Now clear : Southbound : Nantgarw to Coryton
Cleared Roadworks Traffic WalesCleared 3 weeks 9 minutes ago
Description: A470 : Now clear : Southbound : Nantgarw to Coryton, Start time: 21/09/2026 10:40 , Expected end time: 21/09/2026 9:36, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 10:40
A48M : Now clear : Westbound : M4 J29 Castleton to M4 J29A St Mellons
Cleared Roadworks Traffic WalesCleared 3 weeks 44 minutes ago
Description: A48M : Now clear : Westbound : M4 J29 Castleton to M4 J29A St Mellons, Start time: 21/09/2026 10:05 , Expected end time: 21/09/2026 9:03, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 10:05
A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 3 weeks 49 minutes ago
Description: A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern, Start time: 21/09/2026 10:00 , Expected end time: 21/09/2026 8:56, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 10:00
M4 : Now clear : Eastbound : J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 3 weeks 59 minutes ago
Description: M4 : Now clear : Eastbound : J33 Capel Llanilltern, Start time: 21/09/2026 9:50 , Expected end time: 21/09/2026 8:45, Severity: Moderate, Source: Welsh Government, Last updated: 21/09/2026 9:50
A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Accident : Delays
Cleared Roadworks Traffic WalesCleared 3 weeks 1 day ago
Description: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Accident : Delays, Start time: 19/09/2026 15:05 , Expected end time: 19/09/2026 15:50, Severity: Moderate, Source: Welsh Government, Last updated: 19/09/2026 15:05
M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Heavy traffic :
Cleared Roadworks Traffic WalesCleared 3 weeks 1 day ago
Description: M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Heavy traffic :, Start time: 19/09/2026 12:26 , Expected end time: 19/09/2026 14:26, Severity: Moderate, Source: Welsh Government, Last updated: 19/09/2026 12:26
A470 : Southbound : Coryton to Taff's Well : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 3 weeks 1 day ago
Description: A470 : Southbound : Coryton to Taff's Well : Congestion : Delays possible :, Start time: 19/09/2026 12:14 , Expected end time: 19/09/2026 13:14, Severity: Moderate, Source: Welsh Government, Last updated: 19/09/2026 12:14
M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Accident : Lanes closed : Long delays
Cleared Roadworks Traffic WalesCleared 3 weeks 1 day ago
Description: M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Accident : Lanes closed : Long delays, Start time: 19/09/2026 11:49 , Expected end time: 19/09/2026 12:49, Severity: Moderate, Source: Welsh Government, Last updated: 19/09/2026 11:49
A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Incident : Lane closed : Delays possible :
Cleared Roadworks Traffic WalesCleared 3 weeks 2 days ago
Description: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Incident : Lane closed : Delays possible :, Start time: 18/09/2026 14:56 , Expected end time: 18/09/2026 18:55, Severity: Moderate, Source: Welsh Government, Last updated: 18/09/2026 14:56
A470 : Southbound : Taff's Well to Coryton : Heavy traffic : Delays possible :
Cleared Roadworks Traffic WalesCleared 3 weeks 3 days ago
Description: A470 : Southbound : Taff's Well to Coryton : Heavy traffic : Delays possible :, Start time: 18/09/2026 7:50 , Expected end time: 18/09/2026 8:35, Severity: Moderate, Source: Welsh Government, Last updated: 18/09/2026 7:50
M4 : Southbound : J32 Coryton : Resurfacing work : Offslip closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 3 weeks 3 days ago
Description: M4 : Southbound : J32 Coryton : Resurfacing work : Offslip closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/09/2026 20:00
M4 : Eastbound : J32 Coryton : Resurfacing work : Entry slip road closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 3 weeks 3 days ago
Description: M4 : Eastbound : J32 Coryton : Resurfacing work : Entry slip road closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/09/2026 20:00
A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 3 weeks 3 days ago
Description: A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern, Start time: 17/09/2026 19:06 , Expected end time: 17/09/2026 18:27, Severity: Moderate, Source: Welsh Government, Last updated: 17/09/2026 19:06
M4 : Eastbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :
Cleared Roadworks Traffic WalesCleared 3 weeks 4 days ago
Description: M4 : Eastbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :, Start time: 17/09/2026 8:26 , Expected end time: 17/09/2026 12:26, Severity: Moderate, Source: Welsh Government, Last updated: 17/09/2026 8:26
A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 3 weeks 4 days ago
Description: A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern, Start time: 17/09/2026 8:54 , Expected end time: 17/09/2026 8:59, Severity: Moderate, Source: Welsh Government, Last updated: 17/09/2026 8:54
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