The effect of the order is to temporarily restrict and prohibit traffic on lengths of the A494 trunk road between Ewloe Green, Flintshire and Dolgellau, Gwynedd to undertake works on or near the road.
Effaith y gorchymyn yw cyfyngu a gwahardd traffig dros dro ar ddarnau o gefnffordd yr A494 rhwng Ewloe Green, Sir y Fflint a Dolgellau, Gwynedd er mwyn gwneud gwaith ar y ffordd neu gerllaw iddi.