The “farebox recovery ratio” of a road is usually zero. Roads are funded through taxes (with the exception of some toll highways). Why can’t transit be the same?
There's not only the gas tax to think about, but also that every road also enables the truck that inevitably delivers goods to your grocery store to get there.
The subway system is only possibly used by those who live near a station and are traveling near another station, and tourists.
The subway system is only possibly used by those who live near a station and are traveling near another station, and tourists.