What gives you the idea that the current emphasis of non-toll roads is
not revenue flow?

The lack of a direct, or even a non-convoluted connection between
revenue flow =to= the controlling authority, and traffic conditions.

Jose
--
There are two kinds of people in the world. Those that just want to
know what button to push, and those that want to know what happens when
they push the button.
for Email, make the obvious change in the address.