Lots of other developed countries that don't incentivize suburban development just don't develop roads in lower density areas. Roads with lower LOSes often are

Lots of other developed countries that don't incentivize suburban development just don't develop roads in lower density areas. Roads with lower LOSes often are just gravel roads or sealed dirt roads instead of leveled and graded concrete the way it is in the US. That's the problem when it comes to affordability here; the actual usage of these low-density roads isn't worth the cost of maintaining them.