Description: M4 : Now clear : Westbound : J23A (Magor) Magor to J26 (Newport) Malpas, Start time: 14/03/2026 15:06 , Expected end time: 14/03/2026 15:11, Severity: Moderate, Source: Welsh Government, Last updated: 14/03/2026 15:06
Nearest town: 16.84 miles from Gilwern.

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Nearest town: 19.4 miles from Gilwern.

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Nearest town: 19.5 miles from Gilwern.

Location: eastbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 2 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.75 miles from Gilwern.

Location: eastbound.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 30 March 2026 to 06:00 on 2 April 2026.
Nearest town: 17.75 miles from Gilwern.

Location: eastbound between the A466 and the junction with the A49 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 2 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.7 miles from Gilwern.

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 19.4 miles from Gilwern.

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 19.41 miles from Gilwern.

Location: eastbound between the A466 and the junction with the A49 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.44 miles from Gilwern.
