M4 : Westbound : J39 Groes :

M4 : Westbound : J39 Groes : 13/04/26-15/04/26 2000-0600 : Improvement work : Entry slip road closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 13/04/2026

End Date: 15/04/2026

First Published

11/04/2026 09:03

Reference Number

RNMDA_2026128632

Last Updated

11/04/2026 09:03

Source Agency

Welsh Government

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