M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Incident : Abnormal load : Delays

Cleared

Description: M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Incident : Abnormal load : Delays, Start time: 15/08/2026 9:32 , Expected end time: 15/08/2026 10:02, Severity: Moderate, Source: Welsh Government, Last updated: 15/08/2026 9:32

Start time
To be confirmed
Expected end
Sat, Aug 15, 2026 9:15 AM
Duration
Live incident
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
First published
Sat, Aug 15, 2026 9:32 AM
Cleared
Sat, Aug 15, 2026 9:15 AM
Coordinates
51.546021, -3.191528
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

A470 : Northbound : Coryton to Nantgarw : Incident : Abnormal load : Delays possible

Active Roadworks Traffic Wales
Cardiff
Started Start time TBC

Description: A470 : Northbound : Coryton to Nantgarw : Incident : Abnormal load : Delays possible, Start time: 15/08/2026 10:28 , Expected end time: 15/08/2026 11:13, Severity: Moderate, Source: Welsh Government, Last updated: 15/08/2026 10:28

View update

A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :

Active Roadworks Traffic Wales
Cardiff
Started Start time TBC

Description: A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/08/2026 10:22

View update

A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :

Active Roadworks Traffic Wales
Cardiff
Started Start time TBC

Description: A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/08/2026 10:23

View update

M4 : Northbound : A4054 Merthyr Rd, Total Closure Northbound from Birch Hill to Taffs Wells Roundabout : Diversions in place : 17/08/26-07/09/26 2000-0600 :

Active Roadworks Traffic Wales
Cardiff
Started Start time TBC

Description: M4 : Northbound : A4054 Merthyr Rd, Total Closure Northbound from Birch Hill to Taffs Wells Roundabout : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/08/2026 10:27

View update

M4 : Westbound : J32 Coryton : Structural inspections : Entry slip road closed : Diversions in place : 17/08/26-18/08/26 2200-0600 :

Active Roadworks Traffic Wales
Cardiff
Started Start time TBC

Description: M4 : Westbound : J32 Coryton : Structural inspections : Entry slip road closed : Diversions in place : 17/08/26-18/08/26 2200-0600 :, Start time: 17/08/2026 22:00 , End Date: 18/08/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/08/2026 10:31

View update

M4 : Westbound : J32 Coryton : Offslip closed : 16/05/26-17/05/26 2000-0600 : Diversions in place :

Cleared Roadworks Traffic Wales
Cardiff

Cleared 2 months 4 weeks ago

Started Start time TBC Ended 17 May 2026, 05:05

Description: M4 : Westbound : J32 Coryton : Offslip closed : 16/05/26-17/05/26 2000-0600 : Diversions in place :, Start time: 16/05/2026 20:00 , End Date: 17/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/05/2026 20:00

View update