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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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 Wales
Cardiff

Cleared 10 months 6 days ago

Started Start time TBC Ended 30 Sep 2025, 05:10

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

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A470 : Southbound : Taff's Well to Coryton : Resurfacing work : Diversions in place : 29/09/25-30/09/25 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 10 months 6 days ago

Started Start time TBC Ended 30 Sep 2025, 05:10

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

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M4 : Westbound : J32 Coryton : Onslip closed : Environmental work : Diversions in place : 28/09/25-29/09/25 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 10 months 1 week ago

Started Start time TBC Ended 29 Sep 2025, 05:05

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

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M4 : Westbound : J32 Coryton : 28/09/25-29/09/25 2000-0600 : Clearance work : Onslip closed : Diversions in place :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 10 months 1 week ago

Started Start time TBC Ended 29 Sep 2025, 05:05

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

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A470 : Southbound : Taff's Well to Coryton : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 10 months 1 week ago

Started Start time TBC Ended 26 Sep 2025, 17:25

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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