I do NOT know about the circumstances or the rationale for the road in your non-rural tennessee location, except for your proclamation (one citizen's assessment) that it was NOT necessary b/c they could have substituted flying cars in that location.
It is certainly
a solution but is it the
best solution? Are not people running around waving their hands in the air about the amount of CO2 motor vehicles are emitting? What about traffic fatalities? Trees plants and animals killed and destroyed by increased paving?