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: 13/01/2026

End Date: 13/01/2026

First Published

13/01/2026 16:31

Reference Number

RNMDA_2026126544

Last Updated

13/01/2026 16:31

Source Agency

Welsh Government

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