http://www.legislation.gov.uk/wsi/2020/492/madeThe A470 Trunk Road (Junction 19 (Glan Conwy Interchange), Conwy County Borough) (Temporary Prohibition of Vehicles) Order 2020Gorchymyn Cefnffordd yr A470 (Cyffordd 19 (Cyfnewidfa Llansanffraid Glan Conwy), Bwrdeistref Sirol Conwy) (Gwahardd Cerbydau Dros Dro) 2020King's Printer of Acts of Parliament2020-05-07