No, it is due to population density. If your country has 2× or 4× the amount of road area per capita but not correspondingly more taxes per capita, the infrastr

No, it is due to population density. If your country has 2× or 4× the amount of road area per capita but not correspondingly more taxes per capita, the infrastructure is going to suffer. Strong Towns ( https://www.strongtowns.org/ https://www.strongtowns.org/ ) has many articles on this topic.