M4 : Westbound : J25 Caerleon :

M4 : Westbound : J25 Caerleon : Cyclic maintenance : Exit slip road closed : Diversions in place : 15/01/26-16/01/26 2000-0500 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 15/01/2026

End Date: 16/01/2026

First Published

09/01/2026 16:08

Reference Number

RNMDA_2026126472

Last Updated

09/01/2026 16:08

Source Agency

Welsh Government

Connect with Traffic Wales