M4 : Westbound : J38 Margam to J40 Taibach : Carriageway maintenance : Road closed : Diversions in place : 15/01/26-16/0

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Description: M4 : Westbound : J38 Margam to J40 Taibach : Carriageway maintenance : Road closed : Diversions in place : 15/01/26-16/01/26 1900-0100 :, Start time: 15/01/2026 19:00 , End Date: 16/01/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/01/2026 16:05

Source: https://traffic.wales/road-traffic-alerts/588661