M4 : Westbound : J41 Pentyla/Baglan to J40 Taibach :

M4 : Westbound : J41 Pentyla/Baglan to J40 Taibach : Carriageway maintenance : Road closed : 15/09/25-16/09/25 2300-0400 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 15/09/2025

End Date: 16/09/2025

First Published

13/09/2025 08:40

Reference Number

RNMDA_2025123624

Last Updated

13/09/2025 08:40

Source Agency

Welsh Government

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