Location: northbound entry slip at junction J20 (Nailsea) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 14.63 miles from Roath.

Location: northbound at junction J19 (Portishead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 13 December 2025 to 10:00 on 14 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 15 December 2025 to 19 December 2025.
Schedule : From 22:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.56 miles from Roath.

Location: southbound between junctions J20 (Nailsea) and J22 (Burnham on Sea) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 14.77 miles from Roath.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Nearest town: 14.77 miles from Roath.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.77 miles from Roath.

Location: northbound entry slip at junction J21 (Weston super Mare) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.69 miles from Roath.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.99 miles from Roath.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.31 miles from Roath.

Location: southbound at junction J19 (Portishead) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 7 January 2026 to 06:00 on 8 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.82 miles from Roath.

Location: northbound between junctions J22 (Burnham on Sea) and J20 (Nailsea) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 20:01 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 15.72 miles from Roath.

Location: northbound between junctions J22 (Burnham on Sea) and J20 (Nailsea) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 14 December 2025 to 06:00 on 15 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.08 miles from Roath.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 16 December 2025 to 06:00 on 17 December 2025.
Nearest town: 19.43 miles from Roath.

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 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.43 miles from Roath.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 13 December 2025 to 10:00 on 14 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 15 December 2025 to 19 December 2025.
Schedule : From 22:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.92 miles from Roath.

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 13 December 2025 to 28 March 2026.
Schedule : From 20:00 on 28 March 2026 to 04:00 on 29 March 2026.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 29 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.66 miles from Roath.
