M4 : Eastbound : J30 Cardiff Gate :

M4 : Eastbound : J30 Cardiff Gate : 23/02/26-26/02/26 2000-0600 : Cyclic maintenance : Onslip closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 23/02/2026

End Date: 26/02/2026

First Published

21/02/2026 10:40

Reference Number

RNMDA_2026127489

Last Updated

21/02/2026 10:40

Source Agency

Welsh Government

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