M4 : Westbound : J41 Pentyla/Baglan :

M4 : Westbound : J41 Pentyla/Baglan : Roadworks : Onslip closed : Diversions in place : 21/08/25-22/08/25 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 21/08/2025

End Date: 22/08/2025

First Published

15/08/2025 14:06

Reference Number

RNMDA_2025122949

Last Updated

15/08/2025 14:06

Source Agency

Welsh Government

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