The effect of the Order will be to temporarily prohibit all vehicles, other than vehicles being used by the emergency services or for the works, from proceeding on a length of the A483
‘Effaith y Gorchymyn fydd gwahardd dros dro bob cerbyd, ac eithrio’r rhai a ddefnyddir gan y gwasanaethau brys neu ar gyfer y gwaith, rhag mynd ar y darn o’r A483