We are informed that the Department for Transport has not yet completed the final version of the business case, which we look forward to seeing once finished.
Rydym wedi cael gwybod nad yw’r Adran Drafnidiaeth, hyd yma, wedi gorffen y fersiwn derfynol o’r achos busnes, ond rydym yn edrych ymlaen gael at ei gweld unwaith y bydd wedi’i chwblhau.