A470 : Southbound : Nantgarw t Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 20/03/2026 7:26 , Expected end time: 20/03/2026 9:26, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2026 7:26 
A4232 : Northbound : St Fagans Description: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 20/03/2026 7:33 , Expected end time: 20/03/2026 9:32, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2026 7:33 
M4 : Westbound : J26 Malpas : Description: M4 : Westbound : J26 (Newport) Malpas : Offslip closed : Maintenance work : 16/03/26-21/03/26 2000-0600 :, Start time: 16/03/2026 20:00 , End Date: 21/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/03/2026 20:00 
Road Works Location : The M5 northbound at junction J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Reason : Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 20/03/2026 to 28/03/2026.
Schedule : From 20:00 on 28/03/2026 to 04:00 on 29/03/2026.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 29/03/2026 to 1/04/2026.
Lanes Closed : There will be one of three lanes closed.
Road Works Location : The M5 northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23/03/2026 to 28/03/2026.
Schedule : From 21:00 on 30/03/2026 to 06:00 on 31/03/2026.
Lanes Closed : There will be three of four lanes closed.
Road Works Location : The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : The hard shoulder is closed.
Reason : Barrier repairs.
Status : Currently Active.
Period : expect disruption until 17:00 on 20/03/2026.
Road Works Location : The M5 northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Lane Closures : The hard shoulder is closed.
Reason : Barrier repairs.
Status : Currently Active.
Period : expect disruption until 17:00 on 20/03/2026.
Road Works Location : The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Reason : Roadworks scheme.
Status : Currently Active.
Period : from 20:09 on 16/03/2026 to 06:00 on 21/03/2026.
Road Works Location : The M5 northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 06:00 on 21/03/2026.
Lanes Closed : There are two of three lanes closed.
Road Works Location : The M4 westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20/03/2026 to 06:00 on 21/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M48 eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20/03/2026 to 06:00 on 23/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M5 northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Reason : Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 20/03/2026 to 06:00 on 21/03/2026.
Road Works Location : The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 2 and 3 are closed.
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 06:00 on 21/03/2026.
Lanes Closed : There are two of three lanes closed.
Road Works Location : The M49 northbound between the junctions with the M5 and the M4 .
Lane Closures : The hard shoulder and lane 1 are closed.
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 06:00 on 20/03/2026.
Lanes Closed : There is one of two lanes closed. 
Road Works Location : The M4 westbound entry slip at junction J22 (Avonmouth) .
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 06:00 on 20/03/2026.
Lanes Closed : All lanes are closed. 
Road Works Location : The A4 eastbound between the junctions with the M4 and the A4167 .
Lane Closures : Lane three is closed.
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 18:00 on 10/04/2026.
Lanes Closed : There is one of three lanes closed.
Road Works Location : The M5 southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Reason : Roadworks.
Status : Currently Active.
Period : expect disruption until 06:00 on 21/03/2026.
Lanes Closed : There are three of four lanes closed.
Road Works Location : The M5 southbound at junction J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Reason : Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20/03/2026 to 06:00 on 21/03/2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23/03/2026 to 28/03/2026.
Schedule : From 21:00 on 30/03/2026 to 06:00 on 31/03/2026.
Lanes Closed : All lanes will be closed.
Road Works Location : The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23/03/2026 to 06:00 on 24/03/2026.
Lanes Closed : There will be two of four lanes closed.
Road Works Location : The M5 northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 will be closed.
Reason : Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23/03/2026 to 06:00 on 24/03/2026.
Lanes Closed : There will be two of three lanes closed.Current Incidents
A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel LlanillternDescription: A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern, Start time: 20/03/2026 9:33 , Expected end time: 20/03/2026 9:38, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2026 9:33
Location:
A4232, 1.36m of Peterston
A470 : Now clear : Southbound : Nantgarw to CorytonDescription: A470 : Now clear : Southbound : Nantgarw to Coryton, Start time: 20/03/2026 9:31 , Expected end time: 20/03/2026 9:36, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2026 9:31
Location:
A470, 0.44m of Flynnon Taf
A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 20/03/2026 7:26 , Expected end time: 20/03/2026 9:26, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2026 7:26 CLEARED @ 07:42
Location:
A470, 0.44m of Flynnon Taf
A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :Description: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 20/03/2026 7:33 , Expected end time: 20/03/2026 9:32, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2026 7:33 CLEARED @ 07:42
Location:
A4232, 1.36m of Peterston
M4 : Westbound : J26 Malpas : Offslip closed : Maintenance work : 16/03/26-21/03/26 2000-0600 :Description: M4 : Westbound : J26 (Newport) Malpas : Offslip closed : Maintenance work : 16/03/26-21/03/26 2000-0600 :, Start time: 16/03/2026 20:00 , End Date: 21/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/03/2026 20:00 CLEARED @ 09:18
Location:
M4, 1.53m of Newport
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