Ar 8 Mai 2018, gwnaeth y Ysgrifennydd y Cabinet dros yr Economi a ThrafnidiaethDdatganiad Llafar yn y Siambr ar: Uchelgeisiau ar gyfer Prif Linellau Rheilffordd Great Western a Gogledd Cymru (dolen allanol).
On 8 May 2018, the Cabinet Secretary for Economy and Transport made anOral Statement in the Siambr on: Ambitions for Great Western and North Wales Mainlines (external link).