The effect of the Order is to temporarily prohibit vehicles and cyclists on lengths of the A470 trunk at Llanrwst to undertake works on or near the road.
Effaith y Gorchymyn yw gwahardd cerbydau a beicwyr dros dro ar ddarnau o gefnffordd yr A470 yn Llanrwst er mwyn gwneud gwaith ar y ffordd neu gerllaw iddi.