Access to transit options is usually factored into the taxable value of building space. If the city isn't directing a portion of the taxes collected to maintain those transit options, that's the fault of the city. There's already gas and other assorted taxes that go into the roads, as well as parking meters and such.

The idea that "driving on the street" is free simply doesn't hold.

> There will have to be a mechanism for it to pay tolls, parking meters, etc

We have transponders for this, in wide use, across the world.

They have been using license plate readers for this for more than a decade in cities across Europe and Asia.