Yr un fath â’r gwaith yn y de-ddwyrain, gallai rheilffordd fodern fod yn rhan ganolog o system drafnidiaeth integredig. Gallwn adeiladu ar drafodaethau yr wyf eisoes wedi’u cael gyda Llywodraeth y DU ar yr achos dros foderneiddio rheilffyrdd y Gogledd a’u llwybrau allweddol. Mae’r rhain yn cynnwys Prif Linell Arfordir y Gogledd rhwng Caergybi a Crewe, trwy Gaer, y llwybrau gogledd-de i / o Wrecsam, Manceinion a Chaerdydd a chysylltiadau uniongyrchol rhwng y gogledd a Lerpwl.
As with the work in south east Wales, a modernised railway could form the spine of an integrated transport system.  We can build on discussions that I have already opened with the UK Government on the case for rail modernisation for north Wales and its key routes. This includes the North Wales Coast Main Line between Holyhead, via Chester, and Crewe, the north – south routes to / from Wrexham, Manchester and Cardiff and direct connections between north Wales and Liverpool.