The effect of the order is to temporarily prohibit and restrict traffic on lengths of the A483 trunk road between Pont Abraham and Llandeilo, Carmarthenshire to undertake works on or near the road.
Effaith y gorchymyn yw gwahardd a chyfyngu ar draffig dros dro ar ddarnau o gefnffordd yr A483 rhwng Pont Abraham a Llandeilo, Sir Gaerfyrddin er mwyn gwneud gwaith ar y ffordd neu gerllaw iddi.