The effect of the Order is to temporarily restrict the speed of vehicles on lengths of the M4 motorway at Junction 48 (Hendy) to undertake works on or near the road.
Effaith y Gorchymyn yw cyfyngu ar gyflymder cerbydau dros dro ar ddarnau o draffordd yr M4 wrth Gyffordd 48 (Yr Hendy) er mwyn gwneud gwaith ar y ffordd neu gerllaw iddi.