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: 12/07/2026

End Date: 12/07/2026

First Published

12/07/2026 15:13

Reference Number

RNMDA_2026130606

Last Updated

12/07/2026 15:13

Source Agency

Welsh Government

Connect with Traffic Wales