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.

Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more

366 archived incidents found

Filters applied: Region: cardiff • Status: Cleared

A470 : Northbound : Taff's Well to Nantgarw : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 5 months 3 weeks ago

Started Start time TBC Ended 5 Feb 2026, 10:30

Description: A470 : Northbound : Taff's Well to Nantgarw : Congestion : Delays possible :, Start time: 05/02/2026 8:32 , Expected end time: 05/02/2026 10:31, Severity: Moderate, Source: Welsh Government, Last updated: 05/02/2026 8:32

View update

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

Cleared Roadworks Traffic Wales
Cardiff

Cleared 5 months 3 weeks ago

Started Start time TBC Ended 4 Feb 2026, 20:00

Description: A470 : Northbound : Coryton to Taff's Well : Congestion : Delays possible :, Start time: 04/02/2026 16:51 , Expected end time: 04/02/2026 19:51, Severity: Moderate, Source: Welsh Government, Last updated: 04/02/2026 16:51

View update

M4 : Eastbound : J32 Coryton to J30 Cardiff Gate : Accident earlier : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 5 months 4 weeks ago

Started Start time TBC Ended 3 Feb 2026, 13:40

Description: M4 : Eastbound : J32 Coryton to J30 Cardiff Gate : Accident earlier : Delays possible :, Start time: 03/02/2026 11:33 , Expected end time: 03/02/2026 13:33, Severity: Moderate, Source: Welsh Government, Last updated: 03/02/2026 11:33

View update

M4 : Now clear : Westbound : J30 Cardiff Gate

Cleared Roadworks Traffic Wales
Cardiff

Cleared 5 months 4 weeks ago

Started Start time TBC Ended 3 Feb 2026, 10:05

Description: M4 : Now clear : Westbound : J30 Cardiff Gate, Start time: 03/02/2026 9:22 , Expected end time: 03/02/2026 9:27, Severity: Moderate, Source: Welsh Government, Last updated: 03/02/2026 9:22

View update

A470 : Southbound : Taff's Well : Offslip closed : 28/01/26-30/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 2 days ago

Started Start time TBC Ended 30 Jan 2026, 06:05

Description: A470 : Southbound : Taff's Well : Offslip closed : 28/01/26-30/01/26 2000-0600 :, Start time: 28/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/01/2026 20:00

View update

A470 : Southbound : Glyntaff : Onslip closed : 25/01/26-26/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 6 days ago

Started Start time TBC Ended 26 Jan 2026, 06:05

Description: A470 : Southbound : Glyntaff : Onslip closed : 25/01/26-26/01/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 26/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/01/2026 20:00

View update

M4 : Now clear : Both directions : J32 Coryton to J34 Miskin

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 1 week ago

Started Start time TBC Ended 25 Jan 2026, 07:05

Description: M4 : Now clear : Both directions : J32 Coryton to J34 Miskin, Start time: 25/01/2026 5:39 , Expected end time: 25/01/2026 5:44, Severity: Severe, Source: Welsh Government, Last updated: 25/01/2026 5:39

View update

A4232 : Eastbound : M4 J33 Capel Llanilltern : 19/01/26-24/01/26 2000-0600 : roundabout 1 lane closed : Exit slip road closed : Maintenance work :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 1 week ago

Started Start time TBC Ended 24 Jan 2026, 06:05

Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : 19/01/26-24/01/26 2000-0600 : roundabout 1 lane closed : Exit slip road closed : Maintenance work :, Start time: 19/01/2026 20:00 , End Date: 24/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/01/2026 12:46

View update

M4 : Eastbound : J33 Capel Llanilltern : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 1 week ago

Started Start time TBC Ended 23 Jan 2026, 10:05

Description: M4 : Eastbound : J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 23/01/2026 7:59 , Expected end time: 23/01/2026 9:59, Severity: Moderate, Source: Welsh Government, Last updated: 23/01/2026 7:59

View update

M4 : Westbound : J29 Castleton to J30 Cardiff Gate : Accident : Lane closed : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 1 week ago

Started Start time TBC Ended 20 Jan 2026, 22:50

Description: M4 : Westbound : J29 Castleton to J30 Cardiff Gate : Accident : Lane closed : Delays possible :, Start time: 20/01/2026 20:42 , Expected end time: 20/01/2026 22:41, Severity: Moderate, Source: Welsh Government, Last updated: 20/01/2026 20:42

View update

M4 : Westbound : J32 Coryton : Roadworks : Entry slip road closed : Diversions in place : 19/01/26-20/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 1 week ago

Started Start time TBC Ended 20 Jan 2026, 06:05

Description: M4 : Westbound : J32 Coryton : Roadworks : Entry slip road closed : Diversions in place : 19/01/26-20/01/26 2000-0600 :, Start time: 19/01/2026 20:00 , End Date: 20/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/01/2026 20:00

View update

A4232 : Eastbound : M4 J33 Capel Llanilltern : Carriageway maintenance : Road closed : Diversions in place : 14/01/26-24/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 1 week ago

Started Start time TBC Ended 19 Jan 2026, 18:20

Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : Carriageway maintenance : Road closed : Diversions in place : 14/01/26-24/01/26 2000-0600 :, Start time: 14/01/2026 20:00 , End Date: 24/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/01/2026 11:12

View update

A470 : Northbound : Coryton : Clearance work : Entry slip road closed : Diversions in place : 13/01/26-16/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 2 weeks ago

Started Start time TBC Ended 16 Jan 2026, 06:05

Description: A470 : Northbound : Coryton : Clearance work : Entry slip road closed : Diversions in place : 13/01/26-16/01/26 2000-0600 :, Start time: 13/01/2026 20:00 , End Date: 16/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/01/2026 20:00

View update

M4 : Westbound : J32 Coryton : Congestion : offslip : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 2 weeks ago

Started Start time TBC Ended 15 Jan 2026, 18:45

Description: M4 : Westbound : J32 Coryton : Congestion : offslip : Delays possible :, Start time: 15/01/2026 17:04 , Expected end time: 15/01/2026 19:04, Severity: Moderate, Source: Welsh Government, Last updated: 15/01/2026 17:04

View update

M4 : Eastbound : J32 Coryton : Incident : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 2 weeks ago

Started Start time TBC Ended 14 Jan 2026, 21:20

Description: M4 : Eastbound : J32 Coryton : Incident : Delays possible :, Start time: 14/01/2026 18:59 , Expected end time: 14/01/2026 21:12, Severity: Severe, Source: Welsh Government, Last updated: 14/01/2026 18:59

View update

A4232 : Now clear : Southbound : M4 J33 Capel Llanilltern to Leckwith Road

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 2 weeks ago

Started Start time TBC Ended 13 Jan 2026, 11:30

Description: A4232 : Now clear : Southbound : M4 J33 Capel Llanilltern to Leckwith Road, Start time: 13/01/2026 10:04 , Expected end time: 13/01/2026 10:09, Severity: Moderate, Source: Welsh Government, Last updated: 13/01/2026 10:04

View update

A48 : Westbound : Castleton to St Mellons Course : Resurfacing work : Road closed : Diversions in place : 12/01/26-13/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 2 weeks ago

Started Start time TBC Ended 13 Jan 2026, 06:05

Description: A48 : Westbound : Castleton to St Mellons Course : Resurfacing work : Road closed : Diversions in place : 12/01/26-13/01/26 2000-0600 :, Start time: 12/01/2026 20:00 , End Date: 13/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/01/2026 20:00

View update

M4 : Eastbound : J33 Capel Llanilltern : Closed : 05/01/26-10/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 10 Jan 2026, 06:05

Description: M4 : Eastbound : J33 Capel Llanilltern : Closed : 05/01/26-10/01/26 2000-0600 :, Start time: 05/01/2026 20:00 , End Date: 10/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/01/2026 20:00

View update

A470 : Southbound : Taff's Well to Coryton : Congestion : offslip :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 9 Jan 2026, 09:50

Description: A470 : Southbound : Taff's Well to Coryton : Congestion : offslip :, Start time: 09/01/2026 8:08 , Expected end time: 09/01/2026 9:45, Severity: Moderate, Source: Welsh Government, Last updated: 09/01/2026 8:08

View update

A48M : Eastbound : M4 J29A St Mellons to M4 J29 Castleton : Closed : Local diversions in place 06/01/26-09/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 9 Jan 2026, 06:05

Description: A48M : Eastbound : M4 J29A St Mellons to M4 J29 Castleton : Closed : Local diversions in place 06/01/26-09/01/26 2000-0600 :, Start time: 06/01/2026 20:00 , End Date: 09/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 06/01/2026 20:00

View update

M4 : Westbound : J32 Coryton : Onslip closed : Local diversions in place 05/01/26-06/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 6 Jan 2026, 06:05

Description: M4 : Westbound : J32 Coryton : Onslip closed : Local diversions in place 05/01/26-06/01/26 2000-0600 :, Start time: 05/01/2026 20:00 , End Date: 06/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/01/2026 20:00

View update

A48M : Westbound : M4 J29 Castleton to M4 J29A St Mellons : Closed : Local diversions in place 05/01/26-06/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 6 Jan 2026, 06:05

Description: A48M : Westbound : M4 J29 Castleton to M4 J29A St Mellons : Closed : Local diversions in place 05/01/26-06/01/26 2000-0600 :, Start time: 05/01/2026 20:00 , End Date: 06/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/01/2026 20:00

View update

M4 : Westbound : J32 Coryton : 17/12/25-19/12/25 2000-0600 : Maintenance work : Onslip closed : Diversions in place :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 7 months 1 week ago

Started Start time TBC Ended 19 Dec 2025, 06:05

Description: M4 : Westbound : J32 Coryton : 17/12/25-19/12/25 2000-0600 : Maintenance work : Onslip closed : Diversions in place :, Start time: 17/12/2025 20:00 , End Date: 19/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/12/2025 20:00

View update

A4232 : Eastbound : M4 J33 Capel Llanilltern : 11/12/25-19/12/25 2000-0600 : Maintenance work : Exit slip road closed : Diversions in place :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 7 months 1 week ago

Started Start time TBC Ended 19 Dec 2025, 06:05

Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : 11/12/25-19/12/25 2000-0600 : Maintenance work : Exit slip road closed : Diversions in place :, Start time: 11/12/2025 20:00 , End Date: 19/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:38

View update

M4 : Westbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 7 months 2 weeks ago

Started Start time TBC Ended 18 Dec 2025, 09:35

Description: M4 : Westbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :, Start time: 18/12/2025 8:46 , Expected end time: 18/12/2025 11:46, Severity: Moderate, Source: Welsh Government, Last updated: 18/12/2025 8:46

View update

Looking for live updates?

Return to the live incident feed for in-progress closures, or combine archive trends with CrashView reports to brief stakeholders.