Description: M4 : Eastbound : J47 (Swansea) Penllergaer : Carriageway maintenance : Entry slip road closed : Diversions in place : 30/10/26-31/10/26 2000-0900 :, Start time: 30/10/2026 20:00 , End Date: 31/10/2026 9:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 20:00
Nearest town: 2.53 miles from Tirdeunaw.

Description: M4 : Westbound : J38 (Port Talbot) Margam to J41 (Port Talbot) Pentyla/Baglan : Roadworks : Road closed : Diversions in place : 02/11/26-04/11/26 2000-0600 :, Start time: 02/11/2026 20:00 , End Date: 04/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:49
Nearest town: 9.45 miles from Tirdeunaw.

Description: M4 : Eastbound : J41 (Port Talbot) Pentyla/Baglan : Roadworks : Exit slip road closed : Diversions in place : 02/11/26-03/11/26 2000-0600 :, Start time: 02/11/2026 20:00 , End Date: 03/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:51
Nearest town: 7.76 miles from Tirdeunaw.

Description: M4 : Eastbound : J41 (Port Talbot) Pentyla/Baglan to J38 (Port Talbot) Margam : Roadworks : Road closed : Diversions in place : 04/11/26-06/11/26 2000-0600 :, Start time: 04/11/2026 20:00 , End Date: 06/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:52
Nearest town: 9.45 miles from Tirdeunaw.

Description: M4 : Westbound : J42 (Swansea) Earlswood : Roadworks : Exit slip road closed : Diversions in place : 03/11/26-07/11/26 2000-0600 :, Start time: 03/11/2026 20:00 , End Date: 07/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:53
Nearest town: 5.07 miles from Tirdeunaw.

Description: M4 : Westbound : J44 (Swansea) Lon Las : Roadworks : Exit slip road closed : and Entry slip road closed : Diversions in place : 01/11/26-03/11/26 2000-0600 :, Start time: 01/11/2026 20:00 , End Date: 03/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:54
Nearest town: 3.16 miles from Tirdeunaw.

Description: M4 : Westbound : J45 (Swansea) Ynysforgan : Resurfacing work : Entry slip road closed : and Exit slip road closed : Diversions in place : 03/11/26-05/11/26 2000-0600 :, Start time: 03/11/2026 20:00 , End Date: 05/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:55
Nearest town: 2.23 miles from Tirdeunaw.
