To this end, the Dublin – Holyhead route is of particular strategic importance connecting Ireland with Wales, Great Britain, and onwards to Europe.
I’r perwyl hwn, mae llwybr Dulyn – Caergybi o bwysigrwydd strategol arbennig o ran cysylltu Iwerddon â Chymru, Prydain Fawr, ac ymlaen i Ewrop.