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: 7.09 miles from Michaelston y Fedw.

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: 19.44 miles from Michaelston y Fedw.

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: 15.48 miles from Michaelston y Fedw.

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: 16 miles from Michaelston y Fedw.

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: 19.38 miles from Michaelston y Fedw.

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: 13.95 miles from Michaelston y Fedw.

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: 14.4 miles from Michaelston y Fedw.

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: 13.95 miles from Michaelston y Fedw.

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: 19.38 miles from Michaelston y Fedw.

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: 19.44 miles from Michaelston y Fedw.

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: 19.38 miles from Michaelston y Fedw.

Location: northbound between junctions J22 (Burnham on Sea) and J21 (Weston super Mare) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 08:00 on 11 December 2025 to 16:00 on 11 December 2025.
Nearest town: 17.52 miles from Michaelston y Fedw.

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: 18.86 miles from Michaelston y Fedw.

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: 18.91 miles from Michaelston y Fedw.

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: 19.1 miles from Michaelston y Fedw.

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: 18.57 miles from Michaelston y Fedw.

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: 15.8 miles from Michaelston y Fedw.

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: 15.9 miles from Michaelston y Fedw.

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: 15.26 miles from Michaelston y Fedw.

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: 18.84 miles from Michaelston y Fedw.

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: 18.65 miles from Michaelston y Fedw.

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: 18.65 miles from Michaelston y Fedw.

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: 15.38 miles from Michaelston y Fedw.

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: 15.38 miles from Michaelston y Fedw.

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: 19.08 miles from Michaelston y Fedw.

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: 18.77 miles from Michaelston y Fedw.

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: 17.56 miles from Michaelston y Fedw.

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: 17.25 miles from Michaelston y Fedw.

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: 13.95 miles from Michaelston y Fedw.

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: 18.38 miles from Michaelston y Fedw.

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: 19.08 miles from Michaelston y Fedw.

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: 19.7 miles from Michaelston y Fedw.

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: 15.05 miles from Michaelston y Fedw.

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: 14.94 miles from Michaelston y Fedw.

Location: northbound between junctions J22 (Burnham on Sea) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 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.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.18 miles from Michaelston y Fedw.

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: 13.78 miles from Michaelston y Fedw.
