The effect of the Order is to temporarily restrict and prohibit traffic on lengths of the A465 trunk road at Ebbw Vale West Junction, Blaenau Gwent to Hardwick Roundabout, Monmouthshire.
Effaith y Gorchymyn yw cyfyngu a gwahardd traffig dros dro ar ddarnau o gefnffordd yr A465 yng Cyffordd Gorllewin Glynebwy, Blaenau Gwent i Gylchfan Hardwick, Sir Fynw.