Yes you can! With the new Road Trip Maps, if you update the specs for the vehicle you are driving, then the trip will build around that when you update.
Whatever you chose in the setup process is translated over into "filters" for trip building. For example, if you chose RV or Trailer, campgrounds will be chosen to populate on the trip that meet those specs, leaving out other options such as tent only. You can change those settings after the trip is built, if you like.