Find a big truck with a "tractor" like a Peterbilt or Mack.. Stay behind and watch how the driver negotiates turns. Notice how they will "swing wide" and keep an eye on those huge mirrors!
Next try it yourself...
An idea if no schools around is to find a fellow Airstreamer on here and buy them a cup of Joe... Talk with them to learn vicariously... If you get along with them, Ask them to ride along... For a bit... Not like a stalker kind of thing... Just to help another person...
You may end up benefitting you both....
Peace and Blessings..