Yes, I know, but I was going for the bigger picture (in the VC department, what was I thinking
). That is to say, I wanted to consider how we think about & describe the roadway in general on the forum, to aid in avoiding confusion. That thought came out of reading CB HI's post.
P.S. I ride and drive in the UK (though infrequently these days) and the US, so things like this have a personal relevance.