M4 : Westbound : J39 Groes :

M4 : Westbound : J39 Groes : Entry slip road closed : Diversions in place : 27/04/26-29/04/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 27/04/2026

End Date: 29/04/2026

First Published

24/04/2026 11:41

Reference Number

RNMDA_2026128986

Last Updated

24/04/2026 11:41

Source Agency

Welsh Government

Connect with Traffic Wales