M4 : Eastbound : J41 Pentyla/Baglan to J38 Margam :

M4 : Eastbound : J41 Pentyla/Baglan to J38 Margam : Closed : Diversions in place : 01/02/26-04/02/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 01/02/2026

End Date: 04/02/2026

First Published

31/01/2026 18:34

Reference Number

RNMDA_2026127005

Last Updated

01/02/2026 20:00

Source Agency

Welsh Government

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