M4 : Westbound : J23A Magor to J25 Caerleon :

M4 : Westbound : J23A Magor to J25 Caerleon : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 01/04/2026

End Date: 01/04/2026

First Published

01/04/2026 15:43

Reference Number

RNMDA_2026128389

Last Updated

01/04/2026 15:43

Source Agency

Welsh Government

Connect with Traffic Wales