M4 : Westbound : J28 Tredegar Park to J25A Grove Park :

M4 : Westbound : J28 Tredegar Park to J25A Grove Park : 10/04/26-11/04/26 2000-0600 : Carriageway maintenance : Road closed :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 10/04/2026

End Date: 11/04/2026

First Published

02/04/2026 17:32

Reference Number

RNMDA_2026128422

Last Updated

02/04/2026 17:32

Source Agency

Welsh Government

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