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
A470 : Southbound : Taff's Well to Coryton : Southbound : Roadworks : Closed : Diversions in place : 16/10/25-17/10/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 9 months 2 weeks ago
Description: A470 : Southbound : Taff's Well to Coryton : Southbound : Roadworks : Closed : Diversions in place : 16/10/25-17/10/25 2000-0600 :, Start time: 16/10/2025 20:00 , End Date: 17/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/10/2025 20:00
M4 : Eastbound : J32 Coryton : Roadworks : Offslip closed : Diversions in place : 14/10/25-16/10/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 9 months 2 weeks ago
Description: M4 : Eastbound : J32 Coryton : Roadworks : Offslip closed : Diversions in place : 14/10/25-16/10/25 2000-0600 :, Start time: 14/10/2025 20:00 , End Date: 16/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/10/2025 20:00
M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Incident : Accident : Delays possible :
Cleared Roadworks Traffic WalesCleared 9 months 2 weeks ago
Description: M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Incident : Accident : Delays possible :, Start time: 15/10/2025 15:51 , Expected end time: 15/10/2025 16:10, Severity: Moderate, Source: Welsh Government, Last updated: 15/10/2025 15:51
A470 : Now clear : Westbound : Coryton to Nantgarw
Cleared Roadworks Traffic WalesCleared 9 months 3 weeks ago
Description: A470 : Now clear : Westbound : Coryton to Nantgarw, Start time: 06/10/2025 17:40 , Expected end time: 06/10/2025 17:45, Severity: Moderate, Source: Welsh Government, Last updated: 06/10/2025 17:40
M4 : Eastbound : J33 Capel Llanilltern : Carriageway maintenance : Entry slip road closed : 05/10/25-06/10/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 9 months 3 weeks ago
Description: M4 : Eastbound : J33 Capel Llanilltern : Carriageway maintenance : Entry slip road closed : 05/10/25-06/10/25 2000-0600 :, Start time: 05/10/2025 20:00 , End Date: 06/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/10/2025 20:00
M4 : Eastbound : J33 Capel Llanilltern : Onslip closed : Environmental work : Diversions in place : 05/10/25-06/10/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 9 months 3 weeks ago
Description: M4 : Eastbound : J33 Capel Llanilltern : Onslip closed : Environmental work : Diversions in place : 05/10/25-06/10/25 2000-0600 :, Start time: 05/10/2025 20:00 , End Date: 06/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/10/2025 20:00
M4 : Westbound : J32 Coryton : onslip : Flooding : Lane closed : Delays possible :
Cleared Roadworks Traffic WalesCleared 9 months 4 weeks ago
Description: M4 : Westbound : J32 Coryton : onslip : Flooding : Lane closed : Delays possible :, Start time: 03/10/2025 18:27 , Expected end time: 03/10/2025 22:27, Severity: Slight, Source: Welsh Government, Last updated: 03/10/2025 18:27
M4 : Westbound : J33 Capel Llanilltern : Offslip closed : Environmental work : Diversions in place : 01/10/25-03/10/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 9 months 4 weeks ago
Description: M4 : Westbound : J33 Capel Llanilltern : Offslip closed : Environmental work : Diversions in place : 01/10/25-03/10/25 2000-0600 :, Start time: 01/10/2025 20:00 , End Date: 03/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/10/2025 20:00
A470 : Now clear : Northbound : Taff's Well
Cleared Roadworks Traffic WalesCleared 9 months 4 weeks ago
Description: A470 : Now clear : Northbound : Taff's Well, Start time: 02/10/2025 11:03 , Expected end time: 02/10/2025 11:08, Severity: Road closure, Source: Welsh Government, Last updated: 02/10/2025 11:03
A470 : Northbound : Taff's Well to Nantgarw : Surveys : Diversions in place : 01/10/25-02/10/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 9 months 4 weeks ago
Description: A470 : Northbound : Taff's Well to Nantgarw : Surveys : Diversions in place : 01/10/25-02/10/25 2000-0600 :, Start time: 01/10/2025 20:00 , End Date: 02/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/10/2025 20:00
M4 : Westbound : J33 Capel Llanilltern : Onslip closed : and roundabout Diversions in place : 01/10/25-02/10/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 9 months 4 weeks ago
Description: M4 : Westbound : J33 Capel Llanilltern : Onslip closed : and roundabout Diversions in place : 01/10/25-02/10/25 2000-0600 :, Start time: 01/10/2025 20:00 , End Date: 02/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/10/2025 20:00
M4 : Westbound : J32 Coryton : Onslip closed : Environmental work : Diversions in place : 28/09/25-30/09/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 10 months 2 days ago
Description: M4 : Westbound : J32 Coryton : Onslip closed : Environmental work : Diversions in place : 28/09/25-30/09/25 2000-0600 :, Start time: 28/09/2025 20:00 , End Date: 30/09/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/09/2025 20:00
A470 : Southbound : Taff's Well to Coryton : Resurfacing work : Diversions in place : 29/09/25-30/09/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 10 months 2 days ago
Description: A470 : Southbound : Taff's Well to Coryton : Resurfacing work : Diversions in place : 29/09/25-30/09/25 2000-0600 :, Start time: 29/09/2025 20:00 , End Date: 30/09/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/09/2025 20:00
M4 : Westbound : J32 Coryton : Onslip closed : Environmental work : Diversions in place : 28/09/25-29/09/25 2000-0600 :
Cleared Roadworks Traffic WalesCleared 10 months 3 days ago
Description: M4 : Westbound : J32 Coryton : Onslip closed : Environmental work : Diversions in place : 28/09/25-29/09/25 2000-0600 :, Start time: 28/09/2025 20:00 , End Date: 29/09/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/09/2025 20:00
M4 : Westbound : J32 Coryton : 28/09/25-29/09/25 2000-0600 : Clearance work : Onslip closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 10 months 3 days ago
Description: M4 : Westbound : J32 Coryton : 28/09/25-29/09/25 2000-0600 : Clearance work : Onslip closed : Diversions in place :, Start time: 28/09/2025 20:00 , End Date: 29/09/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/09/2025 20:00
A470 : Southbound : Taff's Well to Coryton : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 10 months 5 days ago
Description: A470 : Southbound : Taff's Well to Coryton : Congestion : Delays possible :, Start time: 26/09/2025 16:12 , Expected end time: 26/09/2025 18:12, Severity: Moderate, Source: Welsh Government, Last updated: 26/09/2025 16:12
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