I don't know if the TTT directory is still active, but it was great when it was. These days, I was looking for allegories of this directory that may still be active. There is always the Roadhaus directory but I think that one was active in the early 2000s and I don't know if it is updated. It is here:
http://www.roadhaus.com/shops.php There is also the VanAlert app that seems to list owner driveways where travelers are able to to stop when driving around the country. Does anybody know of anything else along these lines, or whether the TTT is actually still active? (I still have issue #1 of Limbo newsletter in my barns.)