M4 : Westbound : J41 Pentyla/Baglan to J43 Llandarcy :

M4 : Westbound : J41 Pentyla/Baglan to J43 Llandarcy : Roadworks : Road closed : Diversions in place : 24/01/26-26/01/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 24/01/2026

End Date: 26/01/2026

First Published

16/01/2026 12:14

Reference Number

RNMDA_2026126639

Last Updated

16/01/2026 12:14

Source Agency

Welsh Government

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