Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 05/12/2025 7:13 , Expected end time: 05/12/2025 10:13, Severity: Moderate, Source: Welsh Government, Last updated: 05/12/2025 7:13
Nearest town: 14.11 miles from Pontnewynydd.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.43 miles from Pontnewynydd.

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 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.64 miles from Pontnewynydd.

Location: westbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 8 December 2025 to 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.62 miles from Pontnewynydd.

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 7 December 2025 to 01:00 on 8 December 2025.
Schedule : From 20:00 on 14 December 2025 to 01:00 on 15 December 2025.
Schedule : From 19:00 on 19 December 2025 to 00:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.4 miles from Pontnewynydd.

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 7 December 2025 to 01:00 on 8 December 2025.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
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: 19.22 miles from Pontnewynydd.

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 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.22 miles from Pontnewynydd.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Nearest town: 15.85 miles from Pontnewynydd.

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 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.85 miles from Pontnewynydd.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.67 miles from Pontnewynydd.

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 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.67 miles from Pontnewynydd.
