M4 : Westbound : J25A Grove Park to J28 Tredegar Park :

M4 : Westbound : J25A Grove Park to J28 Tredegar Park : 08/02/26-13/02/26 2000-0600 : Clearance work : Closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 08/02/2026

End Date: 13/02/2026

First Published

07/02/2026 09:11

Reference Number

RNMDA_2026127141

Last Updated

07/02/2026 09:11

Source Agency

Welsh Government

Connect with Traffic Wales