Description: A40 : Both directions : Pontargothi : 16/12/25-15/12/25 0900-1530 : Bridge : Emergency work : Closed : Diversions in place : 16/12/25 0900-1530 :, Start time: 16/12/2025 9:00 , End Date: 16/12/2025 15:30, Severity: Road closure, Source: Welsh Government, Last updated: 12/12/2025 9:03
Nearest town: 7.65 miles from Llandegfedd Reservoir.

Location: eastbound between junctions J22 (Avonmouth) and J21 (Chepstow) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 18:00 on 14 December 2025.
Nearest town: 18.93 miles from Llandegfedd Reservoir.

Location: eastbound between junctions J22 (Avonmouth) and J20 (Bristol) .
Due to: Roadworks scheme.
Period : from 07:00 on 14 December 2025 to 18:00 on 14 December 2025.
Nearest town: 18.93 miles from Llandegfedd Reservoir.

Location: eastbound between junctions J22 (Avonmouth) and J20 (Bristol) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 18:00 on 14 December 2025.
Nearest town: 19.49 miles from Llandegfedd Reservoir.

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 14 December 2025 to 01:00 on 15 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.39 miles from Llandegfedd Reservoir.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 14 December 2025 to 06:00 on 15 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.75 miles from Llandegfedd Reservoir.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 16:00 on 14 December 2025.
Nearest town: 19.33 miles from Llandegfedd Reservoir.

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: 19.16 miles from Llandegfedd Reservoir.

Location: westbound.
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 28 February 2026.
Nearest town: 19.16 miles from Llandegfedd Reservoir.

Location: eastbound between junctions J22 (Avonmouth) and J21 (Chepstow) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.17 miles from Llandegfedd Reservoir.

Location: eastbound between junctions J22 (Avonmouth) and J20 (Bristol) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.49 miles from Llandegfedd Reservoir.

Location: eastbound at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 15 December 2025 to 06:00 on 19 December 2025.
Nearest town: 16.22 miles from Llandegfedd Reservoir.

Location: westbound at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 15 December 2025 to 06:00 on 19 December 2025.
Nearest town: 16.28 miles from Llandegfedd Reservoir.

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.22 miles from Llandegfedd Reservoir.

Location: eastbound entry slip at junction J22 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.43 miles from Llandegfedd Reservoir.

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: 18.79 miles from Llandegfedd Reservoir.

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: 18.7 miles from Llandegfedd Reservoir.

Location: southbound at junction J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 15 December 2025 to 20 December 2025.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 5 January 2026 to 7 January 2026.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 8 January 2026 to 10 January 2026.
Schedule : From 21:00 on 10 January 2026 to 06:00 on 11 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.8 miles from Llandegfedd Reservoir.

Location: southbound at junction J18 (Bristol) .
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: 18.8 miles from Llandegfedd Reservoir.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 15 December 2025 to 20 December 2025.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 5 January 2026 to 7 January 2026.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 8 January 2026 to 10 January 2026.
Schedule : From 21:00 on 10 January 2026 to 06:00 on 11 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.75 miles from Llandegfedd Reservoir.

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 miles from Llandegfedd Reservoir.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : Lanes 3 and 4 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 two of four lanes closed.
Nearest town: 18.75 miles from Llandegfedd Reservoir.

Location: westbound between junctions J21 (Chepstow) and J22 (Avonmouth) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Nearest town: 16.82 miles from Llandegfedd Reservoir.

Location: southbound between the junctions with the M4 and the M5 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.4 miles from Llandegfedd Reservoir.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.67 miles from Llandegfedd Reservoir.

Location: northbound exit slip at junction J18A (South Wales) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.75 miles from Llandegfedd Reservoir.

Location: northbound at junction J18 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.71 miles from Llandegfedd Reservoir.

Location: southbound exit slip at junction J18 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.72 miles from Llandegfedd Reservoir.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Nearest town: 18.8 miles from Llandegfedd Reservoir.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.24 miles from Llandegfedd Reservoir.

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 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.8 miles from Llandegfedd Reservoir.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.42 miles from Llandegfedd Reservoir.

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 : 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: 16.69 miles from Llandegfedd Reservoir.

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 20:00 on 17 December 2025 to 21:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.55 miles from Llandegfedd Reservoir.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.42 miles from Llandegfedd Reservoir.

Location: westbound between junctions J1 (Avonmouth) and J2 (Chepstow) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 21:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.55 miles from Llandegfedd Reservoir.

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 : 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: 16.65 miles from Llandegfedd Reservoir.

Location: westbound between junctions J21 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.09 miles from Llandegfedd Reservoir.

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 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.22 miles from Llandegfedd Reservoir.

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: 12.9 miles from Llandegfedd Reservoir.

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: 12.9 miles from Llandegfedd Reservoir.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.57 miles from Llandegfedd Reservoir.

Location: eastbound between junctions J22 (Avonmouth) and J21 (Chepstow) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 16 December 2025 to 17:00 on 16 December 2025.
Nearest town: 18.93 miles from Llandegfedd Reservoir.

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 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: 16.22 miles from Llandegfedd Reservoir.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 10:00 on 14 December 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.01 miles from Llandegfedd Reservoir.

Location: northbound at junction J19 (Portishead) .
Due to: Roadworks.
Period : expect disruption until 10:00 on 14 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.89 miles from Llandegfedd Reservoir.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 15 December 2025 to 19 December 2025.
Nearest town: 19.09 miles from Llandegfedd Reservoir.

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 14 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: 18.99 miles from Llandegfedd Reservoir.
