Cool video, ROFL at 40 seconds in. 
Why wait till 2020, T.N.T. trunker on the M5 the other night must have had auto mode fitted , laid back, relaxing, steering with his knees and drinking coffee [ may have been tea ]
I like that, proper convoy bunching up to save fuel.
old hat …mind what a bummer missed your turn an ended up in Glasgow 
Well I wouldn’t trust a computer to drive my truck anyway.
“I’m sorry Dave, I can’t do that.”