The effect of the Order is to temporarily prohibit vehicles on lengths of the A40 trunk road between Raglan and Monmouth to undertake works on or near the road.
Effaith y Gorchymyn yw gwahardd cerbydau dros dro ar ddarnau o gefnffordd yr A40 rhwng Rhaglan a Threfynwy er mwyn gwneud gwaith ar y ffordd neu gerllaw iddi.