Location: westbound at junction J1 (Avonmouth) .
Due to: Road Management.
Lanes Closed : All lanes are closed.
Nearest town: 18.29 miles from Llanfair Kilgeddin.

Description: M4 : Westbound : J29 (Cardiff) Castleton to J30 (Cardiff) Cardiff Gate : Congestion : Delays possible :, Start time: 15/12/2025 8:28 , Expected end time: 15/12/2025 9:58, Severity: Moderate, Source: Welsh Government, Last updated: 15/12/2025 8:28
Nearest town: 15.83 miles from Llanfair Kilgeddin.

Description: A48M : Westbound : J29 Castleton to J29A St Mellons : Congestion : Delays possible :, Start time: 15/12/2025 8:12 , Expected end time: 15/12/2025 10:12, Severity: Moderate, Source: Welsh Government, Last updated: 15/12/2025 8:12
Nearest town: 15.91 miles from Llanfair Kilgeddin.

Description: M4 : Eastbound : J28 (Newport) Tredegar Park to J24 (Newport) Coldra : Congestion : Delays possible :, Start time: 15/12/2025 7:16 , Expected end time: 15/12/2025 9:16, Severity: Moderate, Source: Welsh Government, Last updated: 15/12/2025 7:16
Nearest town: 10.79 miles from Llanfair Kilgeddin.

Description: A470 : Southbound : Pontypridd to Coryton : Congestion :, Start time: 15/12/2025 6:44 , Expected end time: 15/12/2025 12:44, Severity: Moderate, Source: Welsh Government, Last updated: 15/12/2025 6:44
Nearest town: 18.9 miles from Llanfair Kilgeddin.

Description: M4 : Westbound : J24 (Newport) Coldra to J26 (Newport) Malpas : 15/12/25-16/12/25 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 15/12/2025 20:00 , End Date: 16/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 12:09
Nearest town: 11.12 miles from Llanfair Kilgeddin.

Description: A470 : Northbound : Upper Boat : 18/12/25-20/12/25 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 18/12/2025 20:00 , End Date: 20/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:45
Nearest town: 18.96 miles from Llanfair Kilgeddin.

Description: A470 : Northbound : Upper Boat : 18/12/25-19/12/25 2000-0600 : Maintenance work : Exit slip road closed : Diversions in place :, Start time: 18/12/2025 20:00 , End Date: 19/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:48
Nearest town: 18.96 miles from Llanfair Kilgeddin.

Description: M4 : Eastbound : J23 (Chepstow) Rogiet to J22 (Avonmouth) Pilning/Prince of Wales Bridge : 16/12/25-17/12/25 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 16/12/2025 20:00 , End Date: 17/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:53
Nearest town: 15.42 miles from Llanfair Kilgeddin.

Description: M4 : Westbound : J23 (Chepstow) Rogiet : 17/12/25-18/12/25 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 17/12/2025 20:00 , End Date: 18/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 12:03
Nearest town: 13.33 miles from Llanfair Kilgeddin.

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: 4.37 miles from Llanfair Kilgeddin.

Description: M4 : Both directions : J22 (Avonmouth) Pilning/Second Severn Crossing to J30 (Cardiff) Cardiff Gate : Poor driving conditions : Speed restrictions, Start time: 15/12/2025 6:05 , Expected end time: 15/12/2025 16:00, Severity: Slight, Source: Welsh Government, Last updated: 15/12/2025 6:05
Nearest town: 11.03 miles from Llanfair Kilgeddin.

Location: eastbound at junction J22 (Avonmouth) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 19 December 2025.
Nearest town: 18.08 miles from Llanfair Kilgeddin.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 19 December 2025.
Nearest town: 18.14 miles from Llanfair Kilgeddin.

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: 15.5 miles from Llanfair Kilgeddin.

Location: westbound.
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 28 February 2026.
Nearest town: 15.5 miles from Llanfair Kilgeddin.

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: 18.16 miles from Llanfair Kilgeddin.

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: 18.3 miles from Llanfair Kilgeddin.

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: 18.08 miles from Llanfair Kilgeddin.

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: 18.25 miles from Llanfair Kilgeddin.

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Nearest town: 17.03 miles from Llanfair Kilgeddin.

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Nearest town: 17.03 miles from Llanfair Kilgeddin.

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: 18.59 miles from Llanfair Kilgeddin.

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 December 2025 to 20 December 2025.
Nearest town: 17.86 miles from Llanfair Kilgeddin.

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 December 2025 to 20 December 2025.
Nearest town: 17.91 miles from Llanfair Kilgeddin.

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: 18.34 miles from Llanfair Kilgeddin.

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: 18.26 miles from Llanfair Kilgeddin.

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: 18.59 miles from Llanfair Kilgeddin.

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: 18.26 miles from Llanfair Kilgeddin.

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: 17.64 miles from Llanfair Kilgeddin.

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: 18.54 miles from Llanfair Kilgeddin.

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: 18.81 miles from Llanfair Kilgeddin.

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: 18.08 miles from Llanfair Kilgeddin.

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: 15.21 miles from Llanfair Kilgeddin.

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: 15.21 miles from Llanfair Kilgeddin.

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: 15.64 miles from Llanfair Kilgeddin.

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 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.08 miles from Llanfair Kilgeddin.
