http://www.legislation.gov.uk/wsi/2017/228/madeThe A5 Trunk Road (Conwy/Gwynedd Border to Capel Curig, Conwy County Borough) (Temporary Speed Restrictions and No Overtaking) Order 2017Gorchymyn Cefnffordd yr A5 (Ffin Conwy/Gwynedd i Gapel Curig, Bwrdeistref Sirol Conwy) (Cyfyngiadau Cyflymder Dros Dro a Dim Goddiweddyd) 2017King's Printer of Acts of Parliament2017-03-02