National Academies report finds US interstate highways need major overhaul; calls for 20-year blueprint for action
Green Car Congress
DECEMBER 9, 2018
All dollar figures are converted 2016 values. The committee noted, however, that these estimates may be low, because they do not include funding required to reconfigure and reconstruct many of the interstates’ 15,000 interchanges or make the system more resilient to the effects of climate change. National Academy of Sciences.
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