This includes planned improvements for connectivity to HS2, direct services between Wrexham and Liverpool and the new station at Deeside.
Mae hyn yn cynnwys gwelliannau a gynlluniwyd o ran cysylltedd â’r HS2, gwasanaethau uniongyrchol rhwng Wrecsam a Lerpwl a’r orsaf newydd yng Nglannau Dyfrdwy.