There have been several great articles that have floated to the top of HN in recent years about how practically no city in the US can afford to maintain its own

There have been several great articles that have floated to the top of HN in recent years about how practically no city in the US can afford to maintain its own road networks because of the extreme subsidies in the past. It is a combination of population density being artificially lowered through cheap road subsidies, constant pressure to eliminate taxes, and gutting alternative transport meaning roads need to satiate all human mobility and thus need huge capacity.