This is a link to an article on how to move a mast down the road legally. It's about getting the mast or tower up and over the vehicle and then now to make the trailer pivot differently than the tow vehicle.
I thought it just might transfer over to moving towers and such.
The link is-
http://www.tongacharter.com/report-mast.htm
And... dang, no way to post a photo. That was the point. Well no worries, the article has the photos, but it's more fun to post them here.
Scott