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: 18/06/2026

End Date: 18/06/2026

First Published

18/06/2026 16:33

Reference Number

RNMDA_2026130119

Last Updated

18/06/2026 16:33

Source Agency

Welsh Government

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