M4 : Westbound : J28 Tredegar Park to J30 Cardiff Gate :

M4 : Westbound : J28 Tredegar Park to J30 Cardiff Gate : 22/04/26-23/04/26 2000-0600 : Closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 22/04/2026

End Date: 23/04/2026

First Published

19/04/2026 15:07

Reference Number

RNMDA_2026128821

Last Updated

19/04/2026 15:07

Source Agency

Welsh Government

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