http://www.legislation.gov.uk/wsi/2018/563/madeThe A483 Trunk Road (Llandovery to Sugar Loaf, Carmarthenshire) (Temporary Traffic Prohibitions & Restrictions) Order 2018Gorchymyn Cefnffordd yr A483 (Llanymddyfri i Ddinas-y-bwlch, Sir Gaerfyrddin) (Gwaharddiadau a Chyfyngiadau Traffig Dros Dro) 2018King's Printer of Acts of Parliament2018-05-03