M4 : Westbound : J22 Pilning/Prince of Wales Bridge to J25 Caerleon :

M4 : Westbound : J22 Pilning/Prince of Wales Bridge to J25 Caerleon : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 24/03/2026

End Date: 24/03/2026

First Published

24/03/2026 16:59

Reference Number

RNMDA_2026128232

Last Updated

24/03/2026 16:59

Source Agency

Welsh Government

Connect with Traffic Wales