M4 : Westbound : J40 Taibach & J41 Pentyla/Baglan : Roadworks : Onslip closed : Only one slip will be closed at a time : Diversions in place : 11/09/25-12/09/25 2000-0600 :
First Published
07/09/2025 15:54
Reference Number
RNMDA_2025123468
Last Updated
07/09/2025 15:54
Source Agency
Welsh Government