I-40 in NC to Mammoth Cave Kentucky ?
OK so Google shows me peeling off I-40 in Tennessee in Cookeville and heading north on Hwy 84. Then it's all two lane from there, mostly. Lot's of stop-n-go I'm sure. However I was looking at sta...
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I have used the 231 north from Lebanon TN many times heading north, as I live south of Lebanon. Good scenic 2 lane road with very little traffic, that will miss all of Nashville. Once at Glasgow KY, then take Hwy 90 or Cumberland Parkway to I-65
