M4 : Westbound : J26 Malpas :

M4 : Westbound : J26 Malpas : Offslip closed : Maintenance work : 16/03/26-21/03/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 16/03/2026

End Date: 21/03/2026

First Published

14/03/2026 08:27

Reference Number

RNMDA_2026128024

Last Updated

14/03/2026 08:27

Source Agency

Welsh Government

Connect with Traffic Wales