US 129 is a nice road, not just the dragon but down thru NC and GA too, some great curves in GA
HWY 68 in TN and GA is good too.
Lots of good roads in East TN.
However, I have yet to ride a road I like better than Red Lodge MT to Cody WY which is Bear tooth pass and chief joseph hwy.
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2012 FLTRXSE White Gold Pearl / Starfire Black
2009 FLTRSE3 Silver Titanium Traded for above
2003 FLSTFI, real fire paint set, 95"
2011 FLHR Street Glide, Purple and Black, wife's ride
2009 Heritage, wife's ride