Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 17/03/2026 8:23 , Expected end time: 17/03/2026 12:23, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 8:23
Nearest town: 8.08 miles from Butetown.

Description: M4 : Eastbound : J33 (Cardiff) Capel Llanilltern : Congestion : Delays possible : offslip :, Start time: 17/03/2026 7:35 , Expected end time: 17/03/2026 9:35, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 7:35
Nearest town: 6.38 miles from Butetown.

Description: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 17/03/2026 7:24 , Expected end time: 17/03/2026 9:24, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 7:24
Nearest town: 5.48 miles from Butetown.

Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 17/03/2026 7:09 , Expected end time: 17/03/2026 11:09, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 7:09
Nearest town: 6.75 miles from Butetown.

Description: M4 : Eastbound : J28 (Newport) Tredegar Park to J24 (Newport) Coldra : Congestion : Delays possible :, Start time: 17/03/2026 7:02 , Expected end time: 17/03/2026 9:01, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 7:02
Nearest town: 12.77 miles from Butetown.

Location: northbound between junctions J22 (Burnham on Sea) and J21 (Weston super Mare) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 04:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.82 miles from Butetown.

Location: southbound between junctions J21 (Weston super Mare) and J22 (Burnham on Sea) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 04:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.51 miles from Butetown.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme.
Period : from 20:09 on 16 March 2026 to 06:00 on 21 March 2026.
Nearest town: 15.79 miles from Butetown.

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 17 March 2026.
Nearest town: 19.79 miles from Butetown.

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 17 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: 14.89 miles from Butetown.

Location: northbound entry slip at junction J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.87 miles from Butetown.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.62 miles from Butetown.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.01 miles from Butetown.

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 : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.84 miles from Butetown.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 March 2026 to 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.93 miles from Butetown.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.25 miles from Butetown.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.77 miles from Butetown.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Nearest town: 14.24 miles from Butetown.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.24 miles from Butetown.

Location: northbound entry slip at junction J21 (Weston super Mare) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.17 miles from Butetown.

Location: southbound between junctions J22 (Burnham on Sea) and J23 (Highbridge) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Nearest town: 19.51 miles from Butetown.

Location: southbound between junctions J22 (Burnham on Sea) and J23 (Highbridge) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.51 miles from Butetown.

Location: southbound between junctions J22 (Burnham on Sea) and J23 (Highbridge) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.51 miles from Butetown.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.58 miles from Butetown.

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 20 March 2026.
Nearest town: 17.26 miles from Butetown.

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 17 March 2026.
Nearest town: 17.18 miles from Butetown.

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 17 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: 17.39 miles from Butetown.
