The effect of the order is to temporarily restrict and prohibit traffic on the length of the A489 trunk road between Newtown and Caersws to undertake works on or near the road.
Effaith y gorchymyn yw cyfyngu a gwahardd traffig dros dro ar y darn o gefnffordd yr A489 rhwng y Drenewydd a Chaersws er mwyn gwneud gwaith ar y ffordd neu gerllaw iddi.