M4 : Westbound : J23A Magor :

M4 : Westbound : J23A Magor : 23/02/26-27/02/26 2100-0600 : Carriageway maintenance : Entry slip road closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 23/02/2026

End Date: 27/02/2026

First Published

21/02/2026 08:40

Reference Number

RNMDA_2026127479

Last Updated

21/02/2026 08:40

Source Agency

Welsh Government

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