Description: M4 : Eastbound : M4 St Julians Viaduct : 27/04/26-30/11/26 0600 :, Start time: 27/04/2026 6:00 , End Date: 30/11/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 27/04/2026 6:00
Nearest town: 9.06 miles from Cwmfelinfach.

Description: A40 : Both directions : Crickhowell : 27/04/26-01/05/26 1900-0700 :, Start time: 27/04/2026 19:00 , End Date: 01/05/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/04/2026 19:00
Nearest town: 17.28 miles from Cwmfelinfach.

Description: A40 : Both directions : Crickhowell : Roadworks : 04/05/26-11/05/26 1900-0700 :, Start time: 04/05/2026 19:00 , End Date: 11/05/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/04/2026 16:43
Nearest town: 17.28 miles from Cwmfelinfach.

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: 19.4 miles from Cwmfelinfach.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.66 miles from Cwmfelinfach.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.39 miles from Cwmfelinfach.

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: 19.39 miles from Cwmfelinfach.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.38 miles from Cwmfelinfach.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency Roadside Drains works.
Period : expect disruption until 04:00 on 29 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.4 miles from Cwmfelinfach.
