Description: A470 : Now clear : Southbound : Nantgarw to Coryton, Start time: 09/03/2026 9:23 , Expected end time: 09/03/2026 9:28, Severity: Moderate, Source: Welsh Government, Last updated: 09/03/2026 9:23
Nearest town: 6.09 miles from Tremorfa.

Description: M4 : Now clear : Eastbound : J27 (High Cross) High Cross to J23A (Magor) Magor, Start time: 09/03/2026 9:13 , Expected end time: 09/03/2026 9:18, Severity: Moderate, Source: Welsh Government, Last updated: 09/03/2026 9:13
Nearest town: 11.71 miles from Tremorfa.

Description: M4 : Now clear : Eastbound : J33 (Cardiff) Capel Llanilltern, Start time: 09/03/2026 9:14 , Expected end time: 09/03/2026 9:19, Severity: Moderate, Source: Welsh Government, Last updated: 09/03/2026 9:14
Nearest town: 6.82 miles from Tremorfa.

Description: M4 : Eastbound : J27 (High Cross) High Cross to J23A (Magor) Magor : Congestion : Delays possible :, Start time: 09/03/2026 7:29 , Expected end time: 09/03/2026 10:28, Severity: Moderate, Source: Welsh Government, Last updated: 09/03/2026 7:29
Nearest town: 11.71 miles from Tremorfa.

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 09/03/2026 7:29 , Expected end time: 09/03/2026 11:29, Severity: Moderate, Source: Welsh Government, Last updated: 09/03/2026 7:29
Nearest town: 5.81 miles from Tremorfa.

Description: M4 : Eastbound : J33 (Cardiff) Capel Llanilltern : Congestion : offslip : Delays possible :, Start time: 09/03/2026 7:34 , Expected end time: 09/03/2026 11:34, Severity: Moderate, Source: Welsh Government, Last updated: 09/03/2026 7:34
Nearest town: 6.82 miles from Tremorfa.

Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 09/03/2026 7:01 , Expected end time: 09/03/2026 11:01, Severity: Moderate, Source: Welsh Government, Last updated: 09/03/2026 7:01
Nearest town: 6.09 miles from Tremorfa.

Description: M4 : Eastbound : J26 (Newport) Malpas to J28 (Newport) Tredegar Park : Resurfacing work : Road closed : Diversions in place : 09/03/26-13/03/26 2000-0600 :, Start time: 09/03/2026 20:00 , End Date: 13/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 06/03/2026 10:37
Nearest town: 8.57 miles from Tremorfa.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 9 March 2026 to 06:00 on 10 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.3 miles from Tremorfa.

Location: northbound at junction J19 (Portishead) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 9 March 2026 to 06:00 on 10 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.94 miles from Tremorfa.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 17:00 on 13 March 2026.
Nearest town: 16.2 miles from Tremorfa.

Location: northbound entry slip at junction J19 (Portishead) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.06 miles from Tremorfa.

Location: westbound.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.95 miles from Tremorfa.

Location: eastbound.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.96 miles from Tremorfa.

Location: The junction of the M5 J18 (Bristol) and the A4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.91 miles from Tremorfa.

Location: eastbound.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.8 miles from Tremorfa.

Location: southbound entry slip at junction J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.99 miles from Tremorfa.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Nearest town: 18.55 miles from Tremorfa.

Location: southbound at junction J19 (Portishead) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Nearest town: 18.95 miles from Tremorfa.

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 13 March 2026 to 08:00 on 14 March 2026.
Schedule : From 19:30 on 14 March 2026 to 09:00 on 15 March 2026.
Schedule : From 20:30 on 20 March 2026 to 08:00 on 21 March 2026.
Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.3 miles from Tremorfa.

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 13 March 2026 to 08:00 on 14 March 2026.
Schedule : From 19:30 on 14 March 2026 to 09:00 on 15 March 2026.
Schedule : From 20:30 on 20 March 2026 to 08:00 on 21 March 2026.
Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.94 miles from Tremorfa.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Nearest town: 18.85 miles from Tremorfa.

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 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.85 miles from Tremorfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 11 March 2026 to 06:00 on 21 March 2026.
Nearest town: 14.82 miles from Tremorfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
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 11 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.24 miles from Tremorfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
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 11 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.82 miles from Tremorfa.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 12 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.3 miles from Tremorfa.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane four will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.55 miles from Tremorfa.

Location: northbound at junction J19 (Portishead) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 12 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.94 miles from Tremorfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Nearest town: 14.82 miles from Tremorfa.

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 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.24 miles from Tremorfa.

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 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.82 miles from Tremorfa.

Location: northbound between junctions J23 (Highbridge) and J22 (Burnham on Sea) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.93 miles from Tremorfa.

Location: northbound exit slip at junction J22 (Burnham on Sea) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.55 miles from Tremorfa.

Location: southbound exit slip at junction J22 (Burnham on Sea) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.32 miles from Tremorfa.

Location: southbound between junctions J21 (Weston super Mare) and J22 (Burnham on Sea) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.1 miles from Tremorfa.

Location: southbound entry slip at junction J19 (Portishead) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 17:00 on 9 March 2026.
Nearest town: 18.99 miles from Tremorfa.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 17:00 on 9 March 2026.
Nearest town: 18.55 miles from Tremorfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : The hard shoulder is closed.
Due to: Barrier repairs.
Period : expect disruption until 17:00 on 9 March 2026.
Nearest town: 16.13 miles from Tremorfa.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
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 10 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.33 miles from Tremorfa.

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 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 20 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : From 21:00 on 30 March 2026 to 06:00 on 31 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.3 miles from Tremorfa.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 18.94 miles from Tremorfa.

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 9 March 2026 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: 14.06 miles from Tremorfa.
