Premier Steven Miles has told ABC News Breakfast this morning that if public transport return to pre-COVID levels the trial will be a success "and I think we'll be able to continue it".
"Of course, if people don't use it then it will be hard to justify, and so I'm saying to everyone that if you want to keep almost-free public transport, you need to use it," he says.
"You need the get on the train, the bus, the ferries, and if you do we'll be able to keep it."
He says the trial is about getting people from Caboolture, Gold Coast and Ipswich on board.
"If we can get those people on the train, then that will relieve traffic for everybody else who maybe can't use public transport," he says.