Location : The M4 eastbound between junctions J4 and J3 .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 March 2026 to 05:30 on 31 March 2026.
Lanes Closed : There will be two of four lanes closed.
