Description: M4 : Both directions : J37 (Porthcawl) Pyle to J42 (Swansea) Earlswood : Cyclic maintenance : 1 lane closed on M4 : Entry/Exit slip roads closed : Diversions in place : 25/01/26-01/04/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 01/04/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 25/01/2026 20:00
Nearest town: 14.57 miles from Pen Rhiw fawr.

Description: A483 : Both directions : Llandovery : Resurfacing work : Road closed : Diversions in place : 12/01/26-07/02/26 1900-0500 :, Start time: 12/01/2026 19:00 , End Date: 07/02/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/01/2026 19:00
Nearest town: 14.68 miles from Pen Rhiw fawr.

Description: A483 : Both directions : Llandovery to Cynghordy : Carriageway maintenance : Road closed : Diversions in place : 12/01/26-07/02/26 2000-0500 :, Start time: 12/01/2026 20:00 , End Date: 07/02/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/01/2026 20:00
Nearest town: 16.4 miles from Pen Rhiw fawr.

Description: A483 : Both directions : Llandovery : Road closed : Construction work : 04/01/26-30/01/26 2000-0600 : Diversions in place :, Start time: 04/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/01/2026 13:48
Nearest town: 14.68 miles from Pen Rhiw fawr.

Description: M4 : Eastbound : J44 (Swansea) Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :, Start time: 22/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/01/2026 20:00
Nearest town: 8.5 miles from Pen Rhiw fawr.

Description: M4 : Westbound : J44 (Swansea) Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :, Start time: 22/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/01/2026 20:00
Nearest town: 8.5 miles from Pen Rhiw fawr.

Description: M4 : Eastbound : J38 (Port Talbot) Margam : Offslip closed : 25/01/26-04/02/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 04/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/01/2026 20:00
Nearest town: 15.72 miles from Pen Rhiw fawr.

Description: M4 : Eastbound : J40 (Port Talbot) Taibach : Onslip closed : 25/01/26-30/01/26 2000-0600 :, Start time: 25/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/01/2026 20:00
Nearest town: 13.44 miles from Pen Rhiw fawr.

Description: A48 : Eastbound : Briton Ferry to SunnyCroft Roundabout : Road closed : 26/01/26-30/01/26 2000-0600 :, Start time: 26/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/01/2026 20:00
Nearest town: 10.67 miles from Pen Rhiw fawr.

Description: A465 : Northbound : Rhigos to Hirwaun : 29/01/26-30/01/26 1900-0100 : Closed : Diversions in place :, Start time: 29/01/2026 19:00 , End Date: 30/01/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:26
Nearest town: 13.75 miles from Pen Rhiw fawr.

Description: A465 : Eastbound : Cefn Coed : 29/01/26-30/01/26 2000-0600 : Road closed : Diversions in place :, Start time: 29/01/2026 20:00 , End Date: 30/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/01/2026 7:28
Nearest town: 18.01 miles from Pen Rhiw fawr.
