Also bear in mind that some states consider 3 wheelers motorcycles and require helmets even though Morgan's
have steering wheels and seat belts. Some of them are real aholes about it. Research the laws in the states you
plan on going through. Also laws on eye protection.
Once you are west of Oklahoma City 40 more are less follows old 66 and there are interesting side trips. Should
be able to research online. There are some good books on traveling 66 but you may not have time to get them.