But there is a marked difference to how highways work in Europe as opposed to the dozy creatures on North American highways. Actually I think Canada is worse than the US when it comes to highway driving.
The three weeks I've spent in California back in 2001 were a fascinating experience in how relaxing driving a car can be. I really enjoyed it, FAR less stressful than here in Germany.
And I say that as someone who likes to drive fast on the Autobahn.