Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme.
Period : from 20:12 on 15 June 2026 to 06:00 on 27 June 2026.
Nearest town: 7.82 miles from Llanwern.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 16 June 2026 to 22 August 2026.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 26 August 2026 to 6 January 2027.
Schedule : From 21:00 on 6 January 2027 to 04:00 on 7 January 2027.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 7 January 2027 to 27 March 2027.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.33 miles from Llanwern.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 17 June 2026 to 06:00 on 19 June 2026.
Nearest town: 7.82 miles from Llanwern.

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 : Expect disruption everyday between 21:00 and 06:00 from 17 June 2026 to 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.82 miles from Llanwern.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 07:00 and 17:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 07:00 and 17:00 from 22 June 2026 to 26 June 2026.
Schedule : Expect disruption everyday between 07:00 and 17:00 from 29 June 2026 to 3 July 2026.
Schedule : Expect disruption everyday between 07:00 and 17:00 from 6 July 2026 to 8 July 2026.
Nearest town: 11.15 miles from Llanwern.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 7 July 2026 to 06:00 on 8 July 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.21 miles from Llanwern.
