Location : The M4 eastbound at junction J20 .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 22 April 2026 to 25 April 2026.
Lanes Closed : All lanes will be closed.
