Ar ôl proses dendro gystadleuol, Jones Bros Civil Engineering UK o Ruthun fydd yn gyfrifol am adeiladu'r adran derfynol. Mae disgwyl i'r gwaith ddod i ben tuag at ddiwedd 2018.
Ruthin-based Jones Bros Civil Engineering UK will undertake the construction of final section after a competitive tender process with work expected to be completed towards the end of 2018.