Saesneg: The A458 Trunk Road (Various Locations between Mallwyd, Gwynedd and Welshpool, Powys) (Temporary Traffic Restrictions & Prohibition) Order 2012
Cymraeg: Gorchymyn Cefnffordd yr A458 (Lleoliadau Amrywiol rhwng Mallwyd, Gwynedd a’r Trallwng, Powys) (Cyfyngiadau a Gwaharddiad Traffig Dros Dro) 2012