M4 : Westbound : J37 Pyle to J39 Groes :

M4 : Westbound : J37 Pyle to J39 Groes : Roadworks : Road closed : Diversions in place : 18/01/26-24/01/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 18/01/2026

End Date: 24/01/2026

First Published

16/01/2026 12:10

Reference Number

RNMDA_2026126636

Last Updated

16/01/2026 12:10

Source Agency

Welsh Government

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