M4 : Westbound : J37 Pyle to J39 Groes :

M4 : Westbound : J37 Pyle to J39 Groes : Roadworks : Road closed : Diversions in place : 26/09/25-29/09/25 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 26/09/2025

End Date: 29/09/2025

First Published

19/09/2025 11:55

Reference Number

RNMDA_2025123833

Last Updated

19/09/2025 11:55

Source Agency

Welsh Government

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