Yes, Trans Eastern Trail (TET)!
Get the GPX track here: http://www.advrider.com/forums/showthread.php?t=508552
Our unfinished RR here: http://www.advrider.com/forums/showthread.php?t=885008
The eastern side from DC to TN is very doable on a big bike.
The western side is around Pikeville, KY is a bit tougher.
Pay attention to the color coding on the tracks..which uses the ski slope coloring (green, blue, black)