Gorchymyn Cefnffordd yr A487 (Caernarfon i Gylchfan Plas Menai, Gwynedd) (Cyfyngiadau Cyflymder Dros Dro a Dim Goddiweddyd) 2017
The A487 Trunk Road (Caernarfon to Plas Menai Roundabout, Gwynedd) (Temporary Speed Restrictions & No Overtaking) Order 2017