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.
380 archived incidents found
Filters applied: Region: cardiff • Status: Cleared
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 6 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 6 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 1 week 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 1 week 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 1 week 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
Looking for live updates?
Return to the live incident feed for in-progress closures, or combine archive trends with CrashView reports to brief stakeholders.