M4 : Westbound : J41 Pentyla/Baglan

M4 : Westbound : J41 Pentyla/Baglan : Clearance work : Exit slip road closed : Diversion : 30/09/26-01/10/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 30/09/2026

End Date: 01/10/2026

First Published

26/09/2026 11:50

Reference Number

RNMDA_2026132078

Last Updated

26/09/2026 11:50

Source Agency

Welsh Government

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