Description: M4 : Now clear : Eastbound : J33 (Cardiff) Capel Llanilltern, Start time: 12/05/2026 9:47 , Expected end time: 12/05/2026 9:52, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 9:47
Nearest town: 7.2 miles from Barry Dock.

Description: M4 : Now clear : Eastbound : J26 (Newport) Malpas to J24 (Newport) Coldra, Start time: 12/05/2026 9:48 , Expected end time: 12/05/2026 9:53, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 9:48
Nearest town: 19.03 miles from Barry Dock.

Description: A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern, Start time: 12/05/2026 9:50 , Expected end time: 12/05/2026 9:55, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 9:50
Nearest town: 6.33 miles from Barry Dock.

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 12/05/2026 9:06 , Expected end time: 12/05/2026 9:11, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 9:06
Nearest town: 10.94 miles from Barry Dock.

Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 12/05/2026 7:50 , Expected end time: 12/05/2026 9:30, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 7:50
Nearest town: 10.94 miles from Barry Dock.

Description: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 12/05/2026 7:39 , Expected end time: 12/05/2026 9:38, Severity: Moderate, Source: Welsh Government, Last updated: 12/05/2026 7:39
Nearest town: 6.33 miles from Barry Dock.

Description: M4 : Westbound : J32 (Cardiff) Coryton : Offslip closed : 16/05/26-17/05/26 2000-0600 : Diversions in place :, Start time: 16/05/2026 20:00 , End Date: 17/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/05/2026 12:00
Nearest town: 8.57 miles from Barry Dock.

Description: A470 : Northbound : Taffs Well to Nantgarw : Incident : Closed :, Start time: 12/05/2026 12:06 , Expected end time: 12/05/2026 16:06, Severity: Road closure, Source: Welsh Government, Last updated: 12/05/2026 12:06
Nearest town: 10.03 miles from Barry Dock.

Description: M4 : Eastbound : J28 (Newport) Tredegar Park to J24 (Newport) Coldra : Road closed : 13/05/26-15/05/26 2000-0600 : Diversions in place :, Start time: 13/05/2026 20:00 , End Date: 15/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 08/05/2026 11:02
Nearest town: 18.63 miles from Barry Dock.

Description: A470 : Northbound : Taffs Well to Nantgarw : Road closed : 11/05/26-23/05/26 2000-0600 : Diversions in place :, Start time: 11/05/2026 20:00 , End Date: 23/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/05/2026 20:00
Nearest town: 10.03 miles from Barry Dock.

Description: A470 : Northbound : Upper Boat : Onslip closed : 12/05/26-13/05/26 1930-0500 : Diversions in place :, Start time: 12/05/2026 19:30 , End Date: 13/05/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 08/05/2026 10:56
Nearest town: 11.83 miles from Barry Dock.

Description: A470 : Southbound : Upper Boat to Nantgarw : Road closed : 14/05/26-15/05/26 2000-0600 : Diversions in place :, Start time: 14/05/2026 20:00 , End Date: 15/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 08/05/2026 10:57
Nearest town: 11.41 miles from Barry Dock.

Description: M4 : Westbound : J24 (Newport) Coldra to J28 (Newport) Tredegar Park : Road closed : 11/05/26-13/05/26 2000-0600 : Diversions in place :, Start time: 11/05/2026 20:00 , End Date: 13/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/05/2026 20:00
Nearest town: 18.63 miles from Barry Dock.

Description: M4 : Eastbound : J26 (Newport) Malpas : Onslip closed : 11/05/26-15/05/26 2000-0600 :, Start time: 11/05/2026 20:00 , End Date: 15/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/05/2026 20:00
Nearest town: 17.86 miles from Barry Dock.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 May 2026 to 06:00 on 13 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.96 miles from Barry Dock.

Location: southbound exit slip at junction J21 (Weston super Mare) .
Due to: Roadworks scheme.
Period : from 22:00 on 8 May 2026 to 06:00 on 28 May 2026.
Nearest town: 17.04 miles from Barry Dock.

Location: northbound entry slip at junction J20 (Nailsea) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 18 May 2026 to 06:00 on 19 May 2026.
Nearest town: 19.15 miles from Barry Dock.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 18 May 2026 to 06:00 on 19 May 2026.
Nearest town: 19.33 miles from Barry Dock.

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 13 May 2026 to 06:00 on 14 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.66 miles from Barry Dock.

Location: southbound between junctions J20 (Nailsea) and J21 (Weston super Mare) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 May 2026 to 06:00 on 13 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 13 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 20 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 20 May 2026 to 22 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.16 miles from Barry Dock.

Location: southbound exit slip at junction J21 (Weston super Mare) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 18 May 2026 to 22 May 2026.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 26 May 2026 to 28 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.04 miles from Barry Dock.

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 12 May 2026 to 19 May 2026.
Schedule : From 21:00 on 19 May 2026 to 04:00 on 20 May 2026.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 20 May 2026 to 10 June 2026.
Schedule : From 21:00 on 10 June 2026 to 04:00 on 11 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.16 miles from Barry Dock.
