Re: Frankly ...
"I haven't seen the very clear "off-lane"/"on-lane" as used in the entirety of Europe anywhere in the US
No offense, but I can't figure out what you're talking about. I wouldn't argue that all US traffic control markings are great, because many are less than superb. But I've driven in Germany a bit, and I don't recall that the road markings there were especially awesome. Could you perhaps clarify a bit?