M4 : Westbound : J37 Pyle to J39 Groes :

M4 : Westbound : J37 Pyle to J39 Groes : 08/12/25-13/12/25 2000-0600 : Roadworks : Closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 08/12/2025

End Date: 13/12/2025

First Published

06/12/2025 16:57

Reference Number

RNMDA_2025125850

Last Updated

06/12/2025 16:57

Source Agency

Welsh Government

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