The A5 Trunk Road (Halton Roundabout, Chirk, Wrexham County Borough to Pentrefoelas, Conwy County Borough) (Temporary Traffic Prohibitions) Order 2019 / Gorchymyn Cefnffordd yr A5 (Cylchfan Halton, Y Waun, Bwrdeistref Sirol Wrecsam i Bentrefoelas, Bwrdeistref Sirol Conwy) (Gwaharddiadau Traffig Dros Dro) 2019