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: 14/11/2026

End Date: 14/11/2026

First Published

14/11/2026 10:57

Reference Number

RNMDA_2026133442

Last Updated

14/11/2026 10:57

Source Agency

Welsh Government

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