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: 16/07/2026

End Date: 16/07/2026

First Published

16/07/2026 14:29

Reference Number

RNMDA_2026130676

Last Updated

16/07/2026 14:29

Source Agency

Welsh Government

Connect with Traffic Wales