Location : The M4 eastbound exit slip at junction J4B .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 9 March 2026 to 05:30 on 10 March 2026.
Lanes Closed : All lanes will be closed.
-data.webp?trim=0,0,0,0&width=1200&height=800&crop=1200:800 "Astronomers may have finally found where universe’s ‘missing’ hydrogen is hidden – UK Times")