National Academies report finds US interstate highways need major overhaul; calls for 20-year blueprint for action
Green Car Congress
DECEMBER 9, 2018
Estimated spending needs for Interstate highway renewal and modernization over the next 20 years. Furthermore, technological advances are offering new opportunities, but they may also undermine a principal source of income for the interstates, namely the tax on fuel. All dollar figures are converted 2016 values.
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