M4 : Both directions : J37 Pyle to J42 Earlswood : Cyclic maintenance : 1 lane closed on M4 : Entry/Exit slip roads closed : Diversions in place : 25/01/26-01/04/26 2000-0600 :
First Published
15/01/2026 09:51
Reference Number
RNMDA_2026126598
Last Updated
15/01/2026 09:51
Source Agency
Welsh Government