05-08-2025
Live updates as crash blocks part of M4 around Cardiff causing long delays
There are long delays on the M4 near Cardiff this morning due to a crash. The eastbound carriageway is partially blocked between J32 Coryton and J30 Cardiff Gate.
There are severe delays of 26 minutes which are increasing according to AA Traffic planner. The collision is in the roadworks area.
There are also delays on the A470 southbound near Coryton Interchange. For our free daily briefing on the biggest issues facing the nation, sign up to the Wales Matters newsletter here
Traffic Wales South are asking motorists to allow extra travel time due to the incident.
