M4 : Westbound : J41 Pentyla/Baglan to J43 Llandarcy

M4 : Westbound : J41 Pentyla/Baglan to J43 Llandarcy : Structural inspections : Road closed : Diversion : 28/07/26-30/07/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 28/07/2026

End Date: 30/07/2026

First Published

24/07/2026 14:16

Reference Number

RNMDA_2026130823

Last Updated

24/07/2026 14:16

Source Agency

Welsh Government

Connect with Traffic Wales