The A5 Trunk Road (Tŷ Hyll Bridge, Capel Curig, Conwy County Borough) (Temporary Speed Restrictions & No Overtaking) Order 2018 / Gorchymyn Cefnffordd yr A5 (Pont Tŷ Hyll, Capel Curig, Bwrdeistref Sirol Conwy) (Cyfyngiadau Cyflymder Dros Dro a Dim Goddiweddyd) 2018