M4 : Westbound : J23 Rogiet to J23A Magor

M4 : Westbound : J23 Rogiet to J23A Magor : Congestion :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 18/09/2026

End Date: 18/09/2026

First Published

18/09/2026 13:42

Reference Number

RNMDA_2026131906

Last Updated

18/09/2026 13:42

Source Agency

Welsh Government

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