The A55 Trunk Road (Junction 4 (Dalar Hir Interchange) to Junction 6 (Nant Turnpike Interchange), Isle of Anglesey) (Temporary Prohibition of Vehicles, Cyclists & Pedestrians) Order 2018 / Gorchymyn Cefnffordd yr A55 (Cyffordd 4 (Cyfnewidfa Dalar Hir) i Gyffordd 6 (Cyfnewidfa Tyrpeg Nant), Ynys Môn) (Gwahardd Cerbydau, Beicwyr a Cherddwyr Dros Dro) 2018