Saesneg: The A470 Trunk Road (Slip Roads at Taffs Well and Upper Boat Interchanges, Rhondda Cynon Taf) (Temporary Prohibition of Vehicles) Order 2011
Cymraeg: Gorchymyn Cefnffordd yr A470 (Ffyrdd Ymuno ac Ymadael wrth Gyfnewidfeydd Ffynnon Taf a Glan-bad, Rhondda Cynon Taf) (Gwahardd Cerbydau Dros Dro) 2011