The A55 Trunk Road (Junction 19 (Llandudno Junction) to Junction 22 (Old Colwyn), Conwy County Borough) (Temporary Prohibition of Vehicles) Order 2018 / Gorchymyn Cefnffordd yr A55 (Cyffordd 19 (Cyffordd Llandudno) i Gyffordd 22 (Hen Golwyn), Bwrdeistref Sirol Conwy) (Gwahardd Cerbydau Dros Dro) 2018