M4 : Westbound : J23A Magor to J26 Malpas :

M4 : Westbound : J23A Magor to J26 Malpas : Congestion :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 23/03/2026

End Date: 23/03/2026

First Published

23/03/2026 15:48

Reference Number

RNMDA_2026128213

Last Updated

23/03/2026 15:48

Source Agency

Welsh Government

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