The effect of the Order will be to temporarily prohibit all vehicles with a weight in excess of 44 tonnes, other than those being used for the works, from proceeding on the lengths of the M4 motorway.
Effaith y Gorchymyn fydd gwahardd dros dro bob cerbyd sy’n pwyso mwy na 44 o dunelli, ac eithrio’r rhai a ddefnyddir ar gyfer y gwaith, rhag mynd ar y darnau o draffordd yr M4.