Checked vehicles will travel from the Port of Holyhead on the A55 before exiting at junction 2 onto the A5153 before turning onto Parc Cybi.
Bydd cerbydau wedi'u gwirio yn teithio o borthladd Caergybi ar yr A55 cyn gadael ar gyffordd 2 i'r A5153 cyn troi i Barc Cybi.