One measure of the condition of federal highways is the int'l roughness index, which gauges pavement smoothness. Where does each state stand? The graphic from @PattersonClark here: http://bit.ly/2jIkEoz pic.twitter.com/747bP5CKKp
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One measure of the condition of federal highways is the int'l roughness index, which gauges pavement smoothness. Where does each state stand? The graphic from @PattersonClark here: http://bit.ly/2jIkEoz pic.twitter.com/747bP5CKKp