Location: northbound between the junctions with the A466 and the A465 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 5 December 2025.
Nearest town: 19.6 miles from Llanover.

Location: westbound between the A49 and the junction with the A466 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 February 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.91 miles from Llanover.

Location: westbound.
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 28 February 2026.
Nearest town: 16.91 miles from Llanover.

Location: southbound between the junctions with the A4137 and the A40 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2025.
Nearest town: 19.34 miles from Llanover.

Location: northbound between the junctions with the A40 and the A4137 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2025.
Nearest town: 19.49 miles from Llanover.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 7 December 2025 to 01:00 on 8 December 2025.
Schedule : From 20:00 on 14 December 2025 to 01:00 on 15 December 2025.
Schedule : From 19:00 on 19 December 2025 to 00:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.98 miles from Llanover.

Location: eastbound at junction J22 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 7 December 2025 to 01:00 on 8 December 2025.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Schedule : From 20:00 on 14 December 2025 to 01:00 on 15 December 2025.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.83 miles from Llanover.

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.83 miles from Llanover.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Nearest town: 16.85 miles from Llanover.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.85 miles from Llanover.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.5 miles from Llanover.

Location: southbound between the junctions with the A4137 and the A40 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 10 December 2025 to 14:00 on 11 December 2025.
Nearest town: 19.7 miles from Llanover.

Location: northbound between the junctions with the A40 and the A4137 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 10 December 2025 to 14:00 on 11 December 2025.
Nearest town: 19.74 miles from Llanover.

Location: westbound between the A49 and the junction with the A4137 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.96 miles from Llanover.

Location: southbound between the A466 and the junction with the A40 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 9 December 2025 to 06:00 on 10 December 2025.
Nearest town: 17.92 miles from Llanover.

Location: northbound between the A40 and the junction with the A466 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 9 December 2025 to 06:00 on 10 December 2025.
Nearest town: 19.97 miles from Llanover.

Location: southbound between the junctions with the A4137 and the A40 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Nearest town: 18.32 miles from Llanover.

Location: northbound between the junctions with the A40 and the A4137 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Nearest town: 18.44 miles from Llanover.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.5 miles from Llanover.

Location: westbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.99 miles from Llanover.
