Location: southbound between junctions J21 (Weston super Mare) and J22 (Burnham on Sea) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 10:00 and 10:15 on 14 March 2026.
Normal traffic conditions are expected between 10:00 and 10:15 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 18.19 miles from Barry (Barri).

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: 14/03/2026 8:27
Nearest town: 17.86 miles from Barry (Barri).

Description: M4 : Eastbound : J32 (Cardiff) Coryton : Offslip closed : 17/03/26-18/03/26 2000-0600 :, Start time: 17/03/2026 20:00 , End Date: 18/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/03/2026 8:29
Nearest town: 8.57 miles from Barry (Barri).

Description: A4042 : Both directions : Llanover to Llanellen : Road closed : Maintenance work : Diversions in place : 16/03/26-17/03/26 2000-0600 :, Start time: 16/03/2026 20:00 , End Date: 17/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/03/2026 8:15
Nearest town: 18.1 miles from Barry (Barri).

Description: A4232 : Southbound : M4 J33 Capel Llanilltern to St Fagans : Road closed : Maintenance work : Diversions in place : 16/03/26-20/03/26 2000-0600 :, Start time: 16/03/2026 20:00 , End Date: 20/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/03/2026 8:17
Nearest town: 6.33 miles from Barry (Barri).

Description: A470 : Southbound : Abercanaid Roundabout to Abercynon Roundabout : Road closed : Resurfacing work : 16/03/26-17/03/26 2000-0600 :, Start time: 16/03/2026 20:00 , End Date: 17/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/03/2026 8:20
Nearest town: 12.51 miles from Barry (Barri).

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: 16.99 miles from Barry (Barri).

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: 16.99 miles from Barry (Barri).

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: 16.96 miles from Barry (Barri).

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: 19.09 miles from Barry (Barri).

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: 19.09 miles from Barry (Barri).

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: 18.31 miles from Barry (Barri).

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: 18.26 miles from Barry (Barri).

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: 19.09 miles from Barry (Barri).

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 16 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.12 miles from Barry (Barri).

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 14 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: 19.16 miles from Barry (Barri).
