M4 : Westbound : J28 Tredegar Park :

M4 : Westbound : J28 Tredegar Park : Roadworks : Entry slip road closed : Diversions in place : 27/05/26-28/05/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 27/05/2026

End Date: 28/05/2026

First Published

23/05/2026 12:51

Reference Number

RNMDA_2026129573

Last Updated

23/05/2026 12:51

Source Agency

Welsh Government

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