The A55 trunk road (westbound carriageway at junction 17 (Conwy Morfa), Conwy) (temporary prohibition of vehicles) Order 2021
Gorchymyn cefnffordd yr A55 (ffyrdd ymuno ac ymadael wrth gyffordd 4 (cyfnewidfa Dalar Hir), Ynys Môn) (gwahardd cerbydau dros dro) 2021