I will shortly be submitting the Strategic Outline Business Case for the electrification of the North Wales Coast Mainline to the Department for Transport.
Cyn bo hir byddaf yn cyflwyno'r Achos Busnes Amlinellol Strategol ar gyfer trydaneiddio Prif Reilffordd Arfordir Gogledd Cymru i'r Adran Drafnidiaeth.