Selected areas across Wales will take part in our test phase and interest has already been secured from Wrexham, Holyhead, Swansea, Llanelli and Cardiff.
Bydd ardaloedd dethol o bob rhan o Gymru’n cymryd rhan yng ngham arbrofol y cynllun hwn - mae Wrecsam, Caergybi, Abertawe a Chaerdydd eisoes wedi mynegi diddordeb.