Sarah-
I did the ride several times with Tom/group and we did it both ways from Ky to Alabama and in reverse.
You can probably get a hold of Tom through Bildin1.
The HBC does the ride as a 250k Brevet in the Fall- the link Janet provided.
When are you planning on doing the ride?
We called it the RAT ride when we did it i nthe late 90's- last century
I did the south to north RAT, my longest ride, ever, 160 miles as I recall. It was on Halloween and Cary got in trouble for missing trick or treating with Ashley. There were no maps and everybody got lost.