M4 : Westbound : J39 Groes :

M4 : Westbound : J39 Groes : Roadworks : Onslip closed : Diversions in place : 11/09/25-12/09/25 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 11/09/2025

End Date: 12/09/2025

First Published

06/09/2025 13:18

Reference Number

RNMDA_2025123442

Last Updated

06/09/2025 13:18

Source Agency

Welsh Government

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