I have a 30' TT I will be towing and the plan is after seeing Niagara Falls to stay a week around Ellsworth, Maine. The trip will be late September and the first part of October. I do all the driving so one driver. I am looking to avoid routes with steep grades, curvy roads, and heavy traffic, but I want to see some of the countryside. For example I would like to be able to stop around Conway, NH for a little sight seeing. Any suggestions on either routes to use or routes to avoid would greatly be appreciated. Oh, I have gone from Evanston, WY towards Salt Lake City on I 80, and going down was fine, but I would not want to pull up a stretch like that. I think on something like that I might encounter overheating of engine. Not sure what the grade was there and how long that stretch is. In addition, in Utah I took Route 6 over to 191 going down was fine not sure about going up. This may help you with what I looking for in regards to a route.