The A487 trunk road (Machynlleth, Powys to the north of Dyfi Bridge, Gwynedd) (temporary speed restrictions and prohibition of overtaking) Order 2021
Gorchymyn cefnffordd yr A487 (Pont ar Ddyfi i Barc Menai, Gwynedd) (gwaharddiadau a chyfyngiadau traffig dros dro) 2021