The effect of the Order is to temporarily prohibit vehicles on a length of the A487 trunk road at Newport, Pembrokeshire to undertake work on or near the road.
Effaith y Gorchymyn yw gwahardd cerbydau dros dro ar ddarn o gefnffordd yr A487 yn Nhrefdraeth, Sir Benfro er mwyn gwneud gwaith ar y ffordd neu gerllaw iddi.