This does not address a larger question: how much does a mile of road cost to keep? This is the installed base question.
Consider the amount of road that has been built out in the US relative to the populations that road is serving. Maintenance and expansion is paid out mainly from state and local taxes. That's an enormous civilizational overhead the US contends with, not to mention the economic cost of a large portion of household capital being tied up in rapidly depreciating assets: cars.
Consider the amount of road that has been built out in the US relative to the populations that road is serving. Maintenance and expansion is paid out mainly from state and local taxes. That's an enormous civilizational overhead the US contends with, not to mention the economic cost of a large portion of household capital being tied up in rapidly depreciating assets: cars.
I'm looking at you, suburbia.