Crash View

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

Active

Description: M4 : Eastbound : J33 Capel Llanilltern : Congestion : offslip : Delays possible :, Start time: 22/10/2026 7:15 , Expected end time: 22/10/2026 11:15, Severity: Moderate, Source: Welsh Government, Last updated: 22/10/2026 7:15

Start time
To be confirmed
Expected end
Awaiting update
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
Get a property report
First published
Thu, Oct 22, 2026 7:15 AM
Coordinates
51.506802, -3.308591
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :

Active Roadworks Traffic Wales
Cardiff
Started Start time TBC

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 22/10/2026 7:25 , Expected end time: 22/10/2026 11:25, Severity: Moderate, Source: Welsh Government, Last updated: 22/10/2026 7:25

View update

A470 : Southbound : Nantgarw to Coryton : Congestion :

Active Roadworks Traffic Wales
Cardiff
Started Start time TBC

Description: A470 : Southbound : Nantgarw to Coryton : Congestion :, Start time: 22/10/2026 7:08 , Expected end time: 22/10/2026 10:08, Severity: Moderate, Source: Welsh Government, Last updated: 22/10/2026 7:08

View update

A470 : Now clear : Northbound : Coryton to Upper Boat

Cleared Roadworks Traffic Wales
Cardiff

Cleared 13 hours 21 minutes ago

Started Start time TBC Ended 21 Oct 2026, 19:05

Description: A470 : Now clear : Northbound : Coryton to Upper Boat, Start time: 21/10/2026 18:45 , Expected end time: 21/10/2026 18:09, Severity: Moderate, Source: Welsh Government, Last updated: 21/10/2026 18:45

View update

A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern

Cleared Roadworks Traffic Wales
Cardiff

Cleared 12 hours 21 minutes ago

Started Start time TBC Ended 21 Oct 2026, 20:05

Description: A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern, Start time: 21/10/2026 19:48 , Expected end time: 21/10/2026 18:50, Severity: Moderate, Source: Welsh Government, Last updated: 21/10/2026 19:48

View update

M4 : Now clear : Westbound : J33 Capel Llanilltern

Cleared Roadworks Traffic Wales
Cardiff

Cleared 21 hours 36 minutes ago

Started Start time TBC Ended 21 Oct 2026, 10:50

Description: M4 : Now clear : Westbound : J33 Capel Llanilltern, Start time: 21/10/2026 10:30 , Expected end time: 21/10/2026 9:28, Severity: Moderate, Source: Welsh Government, Last updated: 21/10/2026 10:30

View update

A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern

Cleared Roadworks Traffic Wales
Cardiff

Cleared 21 hours 46 minutes ago

Started Start time TBC Ended 21 Oct 2026, 10:40

Description: A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern, Start time: 21/10/2026 10:20 , Expected end time: 21/10/2026 9:19, Severity: Moderate, Source: Welsh Government, Last updated: 21/10/2026 10:20

View update