sen8or:
There used to be a single method to pay for pretty much anything you wanted, accepted nationwide and was at no extra cost whatsoever, it even came in paper or metal format. Ahhh, the price of progress.
I have about as much faith in any Govt overseeing such a project, to completion, on time and on budget as I do in winning a $50mio powerball jackpot without buying a ticket
You do not want your bus driver to be counting out 10 cent pieces from each boarding passenger, that's victorian thinking.
You want your driver to be driving.