M4 : Both directions : J41 Pentyla/Baglan to J39 Groes : Cyclic maintenance : Exit slip road closed : Entry slip road closed : Diversion : 11/11/26-13/11/26 2000-0000 :
First Published
07/11/2026 15:32
Reference Number
RNMDA_2026133250
Last Updated
07/11/2026 15:32
Source Agency
Welsh Government