The A55 Trunk Road (Junction 5 (Treban Interchange) to Junction 6 (Nant Turnpike Interchange), Isle of Anglesey) (Temporary Prohibition of Vehicles, Cyclists & Pedestrians) Order 2019 / Gorchymyn Cefnffordd yr A55 (Cyffordd 5 (Cyfnewidfa Treban) i Gyffordd 6 (Cyfnewidfa Tyrpeg Nant), Ynys Môn) (Gwahardd Cerbydau, Beicwyr a Cherddwyr Dros Dro) 2019