Mae'r groesfan, a adeiladwyd yn 1960, yn llwybr strategol allweddol rhwng Gogledd-ddwyrain Cymru a Gogledd-orllewin Lloegr ac mae'n cludo dros 61,000 o gerbydau y dydd.
The crossing, which was built in 1960, forms a key strategic route between North East Wales and North West England and carries more than 61,000 vehicles per day.