The Order will temporarily prohibit and restrict traffic on lengths of the A449 and A40 trunk roads between Coldra Interchange and the Wales/England border, Monmouthshire.
Bydd y Gorchymyn yn gwahardd a chyfyngu ar draffig dros dro ar ddarnau o gefnffyrdd yr A449 a’r A40 rhwng Cyfnewidfa Coldra a ffin Cymru/Lloegr, Sir Fynwy.