“Fis diwethaf, gwelsom ben llanw pedair mlynedd o waith pwysig tu hwnt i wella’r twneli ar  yr A55, yn ogystal â gwelliannau diweddar i wyneb y ffordd, lliniaru llifogydd a gwaith cynnal a chadw brys.
“Last month saw the culmination of four years of imperative improvement work to tunnels on the A55, and this is alongside recent road surface improvements, flood alleviation work and urgent maintenance work.