"All of Germany is talking about local public transport," he said.
Those who subscribe to the travel pass already will have their fees automatically drop to €9 during the trial period.
The pass seems to be targeting daily commuter-like travel as certain long-haul trains and busses have been excluded. A pass holder also cannot reserve a seat for their travels.
Unsurprisingly, the idea has been popular amongst the public. According to a survey by German TV broadcaster ARD, 60 per cent of city dwellers were in favour and 44 per cent of people, in general, said they would likely want to use the pass.
The $15 monthly fee may seem cheap for New Zealanders, but it is still $15 more than what citizens of Germany's neighbour, Luxembourg, pay for public transport.
In 2020, the nation made headlines when it made certain public transport free.