My city made busses free but they only run like once per hour so it's still impossible to efficiently use the system. Unfortunately it's not just about cost. It's also about usability.
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That’s how it is in a lot of places in Europe, i think anywhere outside of the bigger cities. The bus routes where i live in Germany are all once an hour. Gets less often at night on weekends, but we still pay for them.
We pay for them with taxes and tickets (which prices does include more taxes) and we get a joke of public transit in return.
and they are mostly used by people, who kind of have to.
It's still Iowa.