A new national ticketing system for buses, trains and ferries also opens the way for more road tolls and congestion charges for motorists for the first time.
A business case for the new $1.4 billion system being built by a US transport and military contractor, raises that possibility several times.
The new system that lets you pay with your phone, or by debit or credit card, is due to start up across 13 regions by the end of 2026
Phil Pennington is looking at this.