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.
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
371 archived incidents found
Filters applied: Region: cardiff • Status: Cleared
A470 : Now clear : Northbound : Coryton to Taff's Well
Cleared Roadworks Traffic WalesCleared 4 months 2 days ago
Description: A470 : Now clear : Northbound : Coryton to Taff's Well, Start time: 01/04/2026 18:10 , Expected end time: 01/04/2026 18:15, Severity: Moderate, Source: Welsh Government, Last updated: 01/04/2026 18:10
A470 : Southbound : Coryton : Congestion : offslip : Delays possible :
Cleared Roadworks Traffic WalesCleared 4 months 4 days ago
Description: A470 : Southbound : Coryton : Congestion : offslip : Delays possible :, Start time: 31/03/2026 7:47 , Expected end time: 31/03/2026 11:47, Severity: Moderate, Source: Welsh Government, Last updated: 31/03/2026 7:47
M4 : Now clear : Westbound : J32 Coryton
Cleared Roadworks Traffic WalesCleared 4 months 4 days ago
Description: M4 : Now clear : Westbound : J32 Coryton, Start time: 30/03/2026 17:34 , Expected end time: 30/03/2026 17:39, Severity: Moderate, Source: Welsh Government, Last updated: 30/03/2026 17:34
M4 : Westbound : J33 Capel Llanilltern : 18/03/26-25/03/26 2000-0600 : onslip : Closed : Resurfacing work :
Cleared Roadworks Traffic WalesCleared 4 months 1 week ago
Description: M4 : Westbound : J33 Capel Llanilltern : 18/03/26-25/03/26 2000-0600 : onslip : Closed : Resurfacing work :, Start time: 18/03/2026 20:00 , End Date: 25/03/2026 6:00, Severity: Severe, Source: Welsh Government, Last updated: 18/03/2026 20:00
A4232 : Southbound : M4 J33 Capel Llanilltern to St Fagans : Road closed : Maintenance work : Diversions in place : 16/03/26-20/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 2 weeks ago
Description: A4232 : Southbound : M4 J33 Capel Llanilltern to St Fagans : Road closed : Maintenance work : Diversions in place : 16/03/26-20/03/26 2000-0600 :, Start time: 16/03/2026 20:00 , End Date: 20/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/03/2026 20:00
M4 : Eastbound : J32 Coryton : Offslip closed : 17/03/26-18/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 2 weeks ago
Description: M4 : Eastbound : J32 Coryton : Offslip closed : 17/03/26-18/03/26 2000-0600 :, Start time: 17/03/2026 20:00 , End Date: 18/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/03/2026 20:00
A4232 : Now clear : Northbound : A48 Interchange
Cleared Roadworks Traffic WalesCleared 4 months 2 weeks ago
Description: A4232 : Now clear : Northbound : A48 Interchange, Start time: 14/03/2026 15:19 , Expected end time: 14/03/2026 15:24, Severity: Severe, Source: Welsh Government, Last updated: 14/03/2026 15:19
A470 : Northbound : Taff's Well : Resurfacing work : Entry slip road closed : Diversions in place : 08/03/26-14/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 3 weeks ago
Description: A470 : Northbound : Taff's Well : Resurfacing work : Entry slip road closed : Diversions in place : 08/03/26-14/03/26 2000-0600 :, Start time: 08/03/2026 20:00 , End Date: 14/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 08/03/2026 20:00
A4232 : Now clear : Southbound : M4 J33 Capel Llanilltern to St Fagans
Cleared Roadworks Traffic WalesCleared 4 months 3 weeks ago
Description: A4232 : Now clear : Southbound : M4 J33 Capel Llanilltern to St Fagans, Start time: 12/03/2026 9:04 , Expected end time: 12/03/2026 9:09, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 9:04
A48M : Eastbound : M4 J29A St Mellons to M4 J29 Castleton : Roadworks : Road closed : Diversions in place : 09/03/26-12/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 3 weeks ago
Description: A48M : Eastbound : M4 J29A St Mellons to M4 J29 Castleton : Roadworks : Road closed : Diversions in place : 09/03/26-12/03/26 2000-0600 :, Start time: 09/03/2026 20:00 , End Date: 12/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/03/2026 20:00
A470 : Southbound : Nantgarw to Taff's Well : Roadworks : Road closed : Diversions in place : 11/03/26-12/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 3 weeks ago
Description: A470 : Southbound : Nantgarw to Taff's Well : Roadworks : Road closed : Diversions in place : 11/03/26-12/03/26 2000-0600 :, Start time: 11/03/2026 20:00 , End Date: 12/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/03/2026 20:00
A470 : Northbound : Taff's Well to Nantgarw : Resurfacing work : Road closed : Diversions in place : 10/03/26-11/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 3 weeks ago
Description: A470 : Northbound : Taff's Well to Nantgarw : Resurfacing work : Road closed : Diversions in place : 10/03/26-11/03/26 2000-0600 :, Start time: 10/03/2026 20:00 , End Date: 11/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 10/03/2026 20:00
A4232 : Eastbound : M4 J33 Capel Llanilltern : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 4 weeks ago
Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : Road closed : Diversions in place : 02/03/26-07/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 07/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 02/03/2026 20:00
M4 : Eastbound : J33 Capel Llanilltern : Overbridge : Carriageway maintenance : Closed : 02/03/26-05/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 4 weeks ago
Description: M4 : Eastbound : J33 Capel Llanilltern : Overbridge : Carriageway maintenance : Closed : 02/03/26-05/03/26 2000-0600 :, Start time: 02/03/2026 20:00 , End Date: 05/03/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 02/03/2026 20:00
M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Incident : Accident : Delays possible :
Cleared Roadworks Traffic WalesCleared 4 months 4 weeks ago
Description: M4 : Westbound : J32 Coryton to J33 Capel Llanilltern : Incident : Accident : Delays possible :, Start time: 04/03/2026 17:24 , Expected end time: 04/03/2026 19:24, Severity: Severe, Source: Welsh Government, Last updated: 04/03/2026 17:24
M4 : Now clear : Eastbound : J33 Capel Llanilltern to J32 Coryton
Cleared Roadworks Traffic WalesCleared 4 months 4 weeks ago
Description: M4 : Now clear : Eastbound : J33 Capel Llanilltern to J32 Coryton, Start time: 04/03/2026 17:16 , Expected end time: 04/03/2026 17:21, Severity: Moderate, Source: Welsh Government, Last updated: 04/03/2026 17:16
A48M : Now clear : Westbound : M4 J29 Castleton to M4 J29A St Mellons
Cleared Roadworks Traffic WalesCleared 5 months 5 hours ago
Description: A48M : Now clear : Westbound : M4 J29 Castleton to M4 J29A St Mellons, Start time: 04/03/2026 9:55 , Expected end time: 04/03/2026 10:00, Severity: Moderate, Source: Welsh Government, Last updated: 04/03/2026 9:55
M4 : Now clear : Westbound : J32 Coryton to J33 Capel Llanilltern
Cleared Roadworks Traffic WalesCleared 5 months 2 days ago
Description: M4 : Now clear : Westbound : J32 Coryton to J33 Capel Llanilltern, Start time: 01/03/2026 22:55 , Expected end time: 01/03/2026 23:00, Severity: Slight, Source: Welsh Government, Last updated: 01/03/2026 22:55
M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Congestion : Accident earlier : Delays possible :
Cleared Roadworks Traffic WalesCleared 5 months 1 week ago
Description: M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Congestion : Accident earlier : Delays possible :, Start time: 26/02/2026 15:52 , Expected end time: 26/02/2026 17:52, Severity: Moderate, Source: Welsh Government, Last updated: 26/02/2026 15:52
M4 : Eastbound : J30 Cardiff Gate : 23/02/26-26/02/26 2000-0600 : Cyclic maintenance : Onslip closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 5 months 1 week ago
Description: M4 : Eastbound : J30 Cardiff Gate : 23/02/26-26/02/26 2000-0600 : Cyclic maintenance : Onslip closed : Diversions in place :, Start time: 23/02/2026 20:00 , End Date: 26/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 20:00
A470 : Southbound : Nantgarw to Taff's Well : 25/02/26-26/02/26 1900-0100 : Carriageway maintenance : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 5 months 1 week ago
Description: A470 : Southbound : Nantgarw to Taff's Well : 25/02/26-26/02/26 1900-0100 : Carriageway maintenance : Closed : Diversions in place :, Start time: 25/02/2026 19:00 , End Date: 26/02/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/02/2026 19:00
A470 : Southbound : Bridge street Interchange to Glyntaff : 23/02/26-24/02/26 1900-0100 : Resurfacing work : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 5 months 1 week ago
Description: A470 : Southbound : Bridge street Interchange to Glyntaff : 23/02/26-24/02/26 1900-0100 : Resurfacing work : Closed : Diversions in place :, Start time: 23/02/2026 19:00 , End Date: 24/02/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/02/2026 19:00
M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Incident : Broken down vehicle : Lane closed : Delays possible :
Cleared Roadworks Traffic WalesCleared 5 months 2 weeks ago
Description: M4 : Eastbound : J33 Capel Llanilltern to J32 Coryton : Incident : Broken down vehicle : Lane closed : Delays possible :, Start time: 19/02/2026 9:12 , Expected end time: 19/02/2026 11:11, Severity: Moderate, Source: Welsh Government, Last updated: 19/02/2026 9:12
M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Resurfacing work : Road closed : Diversions in place : 13/02/26-14/02/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 5 months 3 weeks ago
Description: M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Resurfacing work : Road closed : Diversions in place : 13/02/26-14/02/26 2000-0600 :, Start time: 13/02/2026 20:00 , End Date: 14/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/02/2026 20:00
M4 : Eastbound : J30 Cardiff Gate : 09/02/26-14/02/26 2000-0600 : Cyclic maintenance : Entry slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 5 months 3 weeks ago
Description: M4 : Eastbound : J30 Cardiff Gate : 09/02/26-14/02/26 2000-0600 : Cyclic maintenance : Entry slip road closed : Diversions in place :, Start time: 09/02/2026 20:00 , End Date: 14/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/02/2026 20:00
Looking for live updates?
Return to the live incident feed for in-progress closures, or combine archive trends with CrashView reports to brief stakeholders.