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: 13.17 miles from Ponthir.

Location: southbound between the M4 and the junction with the M5 .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 5 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.31 miles from Ponthir.

Location: southbound exit slip at junction J21 (Weston super Mare) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 05:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.15 miles from Ponthir.

Location: northbound exit slip at junction J21 (Weston super Mare) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 05:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.84 miles from Ponthir.

Location: northbound between the M5 and the junction with the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.74 miles from Ponthir.

Location: southbound exit slip at junction J15 (Almondsbury) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.42 miles from Ponthir.

Location: eastbound entry slip at junction J20 (Bristol) from M5 south.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.34 miles from Ponthir.

Location: eastbound entry slip at junction J20 (Bristol) from M5 north.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Nearest town: 19.25 miles from Ponthir.

Location: eastbound entry slip at junction J20 (Bristol) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Nearest town: 19.32 miles from Ponthir.

Location: eastbound entry slip at junction J20 (Bristol) from M5 south.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Nearest town: 19.31 miles from Ponthir.

Location: eastbound entry slip at junction J20 (Bristol) from M5 south.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.33 miles from Ponthir.

Location: southbound between junctions J14 (Dursley) and J15 (Almondsbury) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.81 miles from Ponthir.

Location: westbound entry slip at junction J20 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.34 miles from Ponthir.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme.
Period : from 20:10 on 4 December 2025 to 06:00 on 6 December 2025.
Nearest town: 14.26 miles from Ponthir.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.27 miles from Ponthir.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.26 miles from Ponthir.

Location: northbound between the M5 and the junction with the M4 .
Due to: Roadworks scheme.
Period : from 20:01 on 3 December 2025 to 06:00 on 6 December 2025.
Nearest town: 15.74 miles from Ponthir.

Location: southbound between the M4 and the junction with the M5 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.31 miles from Ponthir.

Location: northbound between the M5 and the junction with the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.74 miles from Ponthir.

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: 14.4 miles from Ponthir.

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 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.69 miles from Ponthir.

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: 14.55 miles from Ponthir.

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: 14.62 miles from Ponthir.

Location: eastbound entry slip at junction J20 (Bristol) from M5 south.
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: 19.33 miles from Ponthir.

Location: southbound between junctions J14 (Dursley) and J15 (Almondsbury) .
Lane Closures : Lanes 2 and 3 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 : There will be two of three lanes closed.
Nearest town: 19.78 miles from Ponthir.

Location: southbound entry slip at junction J15 (Almondsbury) from M4 eastbound.
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: 19.1 miles from Ponthir.

Location: southbound between junctions J15 (Almondsbury) and J17 (Bristol West) .
Lane Closures : Lanes 1 and 2 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: 18.76 miles from Ponthir.

Location: southbound entry slip at junction J18 (Bristol) .
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: 15.84 miles from Ponthir.

Location: southbound entry slip at junction J16 (Thornbury) .
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: 18.58 miles from Ponthir.

Location: southbound at junction J16 (Thornbury) .
Lane Closures : Lanes 1 and 2 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: 19.42 miles from Ponthir.

Location: northbound entry slip at junction J21 (Weston super Mare) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.59 miles from Ponthir.

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 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.71 miles from Ponthir.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 9 December 2025 to 10 December 2025.
Nearest town: 14.65 miles from Ponthir.

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: 14.38 miles from Ponthir.

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: 14.18 miles from Ponthir.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 10 December 2025 to 12 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.87 miles from Ponthir.

Location: northbound entry slip at junction J16 (Thornbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 10 December 2025 to 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.58 miles from Ponthir.

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: 14.18 miles from Ponthir.

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: 10.69 miles from Ponthir.

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: 10.69 miles from Ponthir.

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: 13.55 miles from Ponthir.

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 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: 15.72 miles from Ponthir.

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 20:30 on 5 December 2025 to 08:00 on 6 December 2025.
Schedule : From 19:00 on 6 December 2025 to 09:00 on 7 December 2025.
Schedule : From 19:00 on 7 December 2025 to 06:00 on 8 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 December 2025 to 12 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.53 miles from Ponthir.

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 20:30 on 5 December 2025 to 08:00 on 6 December 2025.
Schedule : From 19:00 on 6 December 2025 to 09:00 on 7 December 2025.
Schedule : From 19:00 on 7 December 2025 to 06:00 on 8 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 December 2025 to 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.35 miles from Ponthir.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Nearest town: 17.21 miles from Ponthir.

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 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.95 miles from Ponthir.

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 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.21 miles from Ponthir.

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 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.09 miles from Ponthir.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 December 2025 to 15 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.65 miles from Ponthir.

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: 13.55 miles from Ponthir.

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 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.27 miles from Ponthir.

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 8 December 2025 to 12 December 2025.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 15 December 2025 to 19 December 2025.
Nearest town: 16.37 miles from Ponthir.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 8 December 2025 to 16:00 on 8 December 2025.
Nearest town: 14.52 miles from Ponthir.

Location: southbound between junctions J20 (Nailsea) and J22 (Burnham on Sea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 December 2025 to 10 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 December 2025 to 13 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.8 miles from Ponthir.

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 5 December 2025.
Nearest town: 16.75 miles from Ponthir.

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 5 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: 14.55 miles from Ponthir.
