Saesneg: The M4 Motorway (Eastbound Carriageway between Junction 23 (Rogiet) and the Wales/England Border, Monmouthshire) (Temporary Prohibition of Vehicles) Order 2018
Cymraeg: Gorchymyn Traffordd yr M4 (Y Gerbytffordd tua’r Dwyrain rhwng Cyffordd 23 (Rogiet) a Ffin Cymru/Lloegr, Sir Fynwy) (Gwahardd Cerbydau Dros Dro) 2018