Dan Buster,
Yes, and if you have a major problem in your truck you pull off the road and stop, WE CAN'T!
Plus, most of them violate the rules under which they operate, because it is the way this very unskilled (and usually uneducated) work force makes money. They also far too often kill innocents in the process.
It's amazing how many dodo non-pilots, much less professional pilots, frequent this forum.