Start Date : 24/06/25 | End Date: 29/08/25
Work to carry out essential carriageway resurfacing to the M4 carriageway between J30 Cardiff Gate – J32 Coryton Interchange will commence on 24/06/2025 for up to 35 nights.
The work will be carried out over 35 nights 20:00 – 06:00 under full carriageway closures between J30 and J32. The work in the westbound carriageway will start on 24/06/2025 and finish by 15/07/2025.
The work in the eastbound carriageway will start on 15/07/2025 and finish by 12/08/2025. No simultaneous closures of both carriageways are planned.
The works are being carried out overnight in June and July 2025 when traffic flows are historically lower to minimise disruption.
For further information, please contact Traffic Wales on 0300 123 1213 or via Twitter @TrafficWalesS