Description: M4 : Westbound : J24 (Newport) Coldra to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 28/04/2026 16:00 , Expected end time: 28/04/2026 20:00, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:00
Nearest town: 8.11 miles from St Mellons.

Description: M4 : Eastbound : J32 (Cardiff) Coryton : offslip : Congestion : Delays possible :, Start time: 28/04/2026 16:28 , Expected end time: 28/04/2026 19:28, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:28
Nearest town: 5.78 miles from St Mellons.

Description: A470 : Southbound : Taffs Well to Coryton Interchange : Congestion : Delays possible :, Start time: 28/04/2026 16:33 , Expected end time: 28/04/2026 19:33, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:33
Nearest town: 6.14 miles from St Mellons.

Description: A470 : Northbound : Coryton to Nantgarw : Congestion : Delays possible :, Start time: 28/04/2026 16:12 , Expected end time: 28/04/2026 19:12, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:12
Nearest town: 6.64 miles from St Mellons.

Description: M4 : Westbound : J24 (Newport) Coldra to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 28/04/2026 16:00 , Expected end time: 28/04/2026 20:00, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:00
Nearest town: 8.11 miles from St Mellons.

Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 28/04/2026 16:03 , Expected end time: 28/04/2026 19:03, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 16:03
Nearest town: 7.35 miles from St Mellons.

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 28/04/2026 15:26 , Expected end time: 28/04/2026 18:26, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 15:26
Nearest town: 7.97 miles from St Mellons.

Location: southbound exit slip at junction J21 (Weston super Mare) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.55 miles from St Mellons.

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 1 May 2026.
Nearest town: 15 miles from St Mellons.

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 27 April 2026 to 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.37 miles from St Mellons.

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 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.08 miles from St Mellons.

Location: southbound exit slip at junction J21 (Weston super Mare) .
Due to: Roadworks scheme.
Period : from 21:05 on 27 April 2026 to 06:00 on 29 April 2026.
Nearest town: 14.37 miles from St Mellons.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.83 miles from St Mellons.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.29 miles from St Mellons.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme.
Period : from 20:14 on 27 April 2026 to 06:00 on 29 April 2026.
Nearest town: 13.29 miles from St Mellons.

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 : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.32 miles from St Mellons.

Location: southbound between junctions J20 (Nailsea) and J22 (Burnham on Sea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 4 May 2026 to 06:00 on 5 May 2026.
Schedule : From 20:00 on 5 May 2026 to 06:00 on 6 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 6 May 2026 to 8 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.08 miles from St Mellons.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 4 May 2026 to 11 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.66 miles from St Mellons.

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 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.41 miles from St Mellons.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 April 2026 to 04:00 on 29 April 2026.
Schedule : From 20:00 on 29 April 2026 to 04:00 on 30 April 2026.
Schedule : From 21:00 on 30 April 2026 to 04:00 on 1 May 2026.
Schedule : From 20:00 on 1 May 2026 to 04:00 on 2 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.29 miles from St Mellons.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
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 28 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 8 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17 miles from St Mellons.

Location: southbound 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 28 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 8 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.64 miles from St Mellons.

Location: southbound between junctions J18 (Bristol) and 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 28 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 8 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.34 miles from St Mellons.

Location: eastbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 April 2026 to 4 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.47 miles from St Mellons.

Location: northbound between junctions J22 (Burnham on Sea) 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 28 April 2026 to 1 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.94 miles from St Mellons.

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 1 May 2026.
Nearest town: 15 miles from St Mellons.
