I can imagine privately owned roads. Toll booths every few miles sound far fetched? Try looking at midevil europe, and that would be the US you would have.

We've already did the private fire departments with medallions. Doesn't exactly work out when the non-medallioned house next door is on fire.

Or, we've read the articles about the for-profit prison systems. And they were even buying a judge to sentence juve offenders to the max.

Yes, private stuff does make sense. So does public.