Originally Posted by
lo2e
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-In New Hampshire, there are 3 options: NH Route 16 between Jackson and Gorham; US Route 302 between Bartlett and Twin Mountain; and I-93 between Plymouth and I-91.
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I'd add a fourth: the Kancamagus Highway (Rte. 112) through the southern White Mountains between Lincoln and Conway. Don't be misled by the name "highway," though. It's a two-lane road and can get crowded/slow in foliage season. (So can just about any other scenic New England road, though.)