M4 : Westbound : J23 Rogiet to J26 Malpas

M4 : Westbound : J23 Rogiet to J26 Malpas : Congestion : Delays

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 16/08/2026

End Date: 16/08/2026

First Published

16/08/2026 12:51

Reference Number

RNMDA_2026131231

Last Updated

16/08/2026 12:51

Source Agency

Welsh Government

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