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Rydym yn croesawu galwadau’n Gymraeg. We welcome calls in Welsh.
Rydym yn croesawu galwadau’n Gymraeg. We welcome calls in Welsh.

M4 J33 Parapet Repairs & Drainage Alterations

Start date: 17/03/2025| End date: 08/04/2025 

A4232 Capel Llanilltern

Work to carry out essential structural repairs on the westbound M4 between J33 Capel Llanilltern off slip – J33 Capel Llanilltern on slip will commence on 17/03/2025 for 18 nights.

The work will be carried out over an 18-night period between the hours of 20:00 – 06:00 under a alternating full and partial Westbound carriageway closure between J33 off slip and J33 on slip.

The works are being carried out overnight when traffic flows are historically lower to minimise disruption.

M4 Westbound Full Closure - Traffic will be diverted on and off the M4 at junction 33 Capel Llanilltern.

For further information, please contact Traffic Wales on 0300 123 1213 or via X or Facebook.