If you haven't run across Charles Marohn's Strong Towns group, he spoke at a Complete Streets summit at Rutgers a couple years ago, makes the argument that sprawl pattern development doesn't generate enough economic return to justify the investment, see: http://www.strongtowns.org/journal/2015/3/18/infrastructure-cult-math
It's an interesting read for those who wonder where our tax money goes, coming from a professional engineer and planner, he makes the case that raising the gas tax to continue the misinvestment is a mistake...