The effect of the Order is to temporarily prohibit vehicles on lengths of the A55 slip road at Junction 6 (Nant Turnpike), Anglesey to undertake works on or near the road.
Effaith y Gorchymyn yw cyfyngu a gwahardd traffig dros dro ar ddarnau o gefnffordd yr A55 wrth neu ger Twnnel Pen-y-clip, Conwy er mwyn gwneud gwaith ar y ffordd, neu gerllaw iddi.