M4 : Westbound : J37 Pyle to J39 Groes :

M4 : Westbound : J37 Pyle to J39 Groes : Roadworks : Road closed : Diversions in place : 19/09/25-22/09/25 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 19/09/2025

End Date: 22/09/2025

First Published

13/09/2025 08:36

Reference Number

RNMDA_2025123621

Last Updated

13/09/2025 08:36

Source Agency

Welsh Government

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