The A55 Trunk Road (Westbound Entry and Exit Slip Roads at Junction 9, Gwynedd) and the A487 Trunk Road (Link Road between Parc Menai Roundabout and Treborth Road Roundabout, Gwynedd) (Temporary Prohibition of Vehicles, Cyclists & Pedestrians) Order 2019 / Gorchymyn Cefnffordd yr A55 (Ffyrdd Ymuno ac Ymadael tua’r Gorllewin wrth Gyffordd 9, Gwynedd) a Chefnffordd yr A487 (Ffordd Gyswllt rhwng Cylchfan Parc Menai a Chylchfan Ffordd Treborth, Gwynedd) (Gwahardd Cerbydau, Beicwyr a Cherddwyr Dros Dro) 2019