Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Emergency road repairs.
Period : from 22:09 on 23 January 2026 to 01:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.89 miles from Wernrheolydd.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Emergency road repairs.
Period : from 22:11 on 23 January 2026 to 01:00 on 24 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.71 miles from Wernrheolydd.

Location: northbound between the A4137 and the junction with the A466 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 24 January 2026.
Nearest town: 12.73 miles from Wernrheolydd.

Location: southbound between the A466 and the junction with the A4137 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 24 January 2026.
Nearest town: 14.27 miles from Wernrheolydd.

Location: southbound between the junctions with the A4137 and the A40 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2026.
Nearest town: 13.83 miles from Wernrheolydd.

Location: northbound between the junctions with the A40 and the A4137 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2026.
Nearest town: 13.98 miles from Wernrheolydd.

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: 11.39 miles from Wernrheolydd.

Location: westbound.
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 28 February 2026.
Nearest town: 11.39 miles from Wernrheolydd.

Location: southbound between the M4 and the junction with the M5 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.9 miles from Wernrheolydd.

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 30 January 2026 to 06:00 on 2 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.73 miles from Wernrheolydd.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 2 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.69 miles from Wernrheolydd.

Location: eastbound entry slip at junction J3 (Newent) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.29 miles from Wernrheolydd.

Location: eastbound between junctions J4 (S.
Wales) and J2 (Hereford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.38 miles from Wernrheolydd.

Location: eastbound between junctions J4 (S.
Wales) and J2 (Hereford) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 14 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 February 2026 to 20 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.86 miles from Wernrheolydd.

Location: eastbound exit slip at junction J3 (Newent) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.28 miles from Wernrheolydd.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.88 miles from Wernrheolydd.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.19 miles from Wernrheolydd.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.27 miles from Wernrheolydd.

Location: westbound between junctions J21 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.22 miles from Wernrheolydd.

Location: northbound between the junctions with the A465 and the A438 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.52 miles from Wernrheolydd.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 26 January 2026 to 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.25 miles from Wernrheolydd.

Location: southbound between the A4137 and the junction with the A40 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 26 January 2026 to 30 January 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 2 February 2026 to 6 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 9 February 2026 to 13 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 16 February 2026 to 20 February 2026.
Nearest town: 12.55 miles from Wernrheolydd.

Location: northbound between the A40 and the junction with the A4137 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 26 January 2026 to 30 January 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 2 February 2026 to 6 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 9 February 2026 to 13 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 16 February 2026 to 20 February 2026.
Nearest town: 14.44 miles from Wernrheolydd.

Location: eastbound at junction J22 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 January 2026 to 01:00 on 26 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.73 miles from Wernrheolydd.

Location: westbound at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 January 2026 to 01:00 on 26 January 2026.
Nearest town: 18.78 miles from Wernrheolydd.

Location: eastbound between junctions J4 (S.
Wales) and J2 (Hereford) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 26 January 2026 to 06:00 on 15 April 2026.
Nearest town: 16.38 miles from Wernrheolydd.
