The effect of the Order is to temporarily prohibit all vehicles, other than those being used by the emergency services and for the works, from proceeding on the length of the A483 trunk road.
Effaith y Gorchymyn yw gwahardd dros dro bob cerbyd, ac eithrio’r rhai a ddefnyddir gan y gwasanaethau brys ac ar gyfer y gwaith, rhag mynd ar y darn o gefnffordd yr A483.