M4 : Eastbound : J43 Llandarcy :

M4 : Eastbound : J43 Llandarcy : Onslip closed : Roadworks : 16/03/26-22/03/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 16/03/2026

End Date: 22/03/2026

First Published

14/03/2026 08:36

Reference Number

RNMDA_2026128031

Last Updated

14/03/2026 08:36

Source Agency

Welsh Government

Connect with Traffic Wales