M4 : Westbound : J43 Llandarcy

M4 : Westbound : J43 Llandarcy : Onslip closed : 22/10/26-23/10/26 2000-0600 : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 22/10/2026

End Date: 23/10/2026

First Published

16/10/2026 11:49

Reference Number

RNMDA_2026132665

Last Updated

16/10/2026 11:49

Source Agency

Welsh Government

Connect with Traffic Wales