Description: A470 : Northbound : Coryton to Nantgarw : Congestion : Delays possible :, Start time: 27/01/2026 15:55 , Expected end time: 27/01/2026 19:55, Severity: Moderate, Source: Welsh Government, Last updated: 27/01/2026 15:55
Nearest town: 17.14 miles from Croes y pant.

Location: eastbound between junctions J22 (Avonmouth) and J21 (Chepstow) .
Due to: Roadworks.
Period : from 20:03 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.57 miles from Croes y pant.

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 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.91 miles from Croes y pant.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.27 miles from Croes y pant.

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 21:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.91 miles from Croes y pant.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.7 miles from Croes y pant.

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: 18.03 miles from Croes y pant.

Location: westbound.
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 28 February 2026.
Nearest town: 18.03 miles from Croes y pant.

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 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.16 miles from Croes y pant.

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 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.27 miles from Croes y pant.

Location: westbound at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 2 February 2026 to 16:00 on 2 February 2026.
Nearest town: 18.51 miles from Croes y pant.

Location: eastbound at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 2 February 2026 to 16:00 on 2 February 2026.
Nearest town: 18.25 miles from Croes y pant.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 4 February 2026 to 6 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.57 miles from Croes y pant.

Location: eastbound exit slip at junction J1 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.46 miles from Croes y pant.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.16 miles from Croes y pant.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.68 miles from Croes y pant.

Location: westbound at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 1 February 2026 to 01:00 on 2 February 2026.
Nearest town: 18.26 miles from Croes y pant.

Location: eastbound at junction J22 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 1 February 2026 to 01:00 on 2 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.19 miles from Croes y pant.

Location: southbound between the M4 and the junction with the M5 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.42 miles from Croes y pant.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.39 miles from Croes y pant.

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 : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.64 miles from Croes y pant.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.87 miles from Croes y pant.

Location: southbound between the A4137 and the junction with the A40 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 28 January 2026 to 30 January 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 2 February 2026 to 6 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 9 February 2026 to 13 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 16 February 2026 to 20 February 2026.
Nearest town: 19.57 miles from Croes y pant.
