Paul Johnson <ba...@ursamundi.org> writes: > Would you consider oncoming traffic as conflicting? That's the crux on the > super-two debate. I would consider at least two lanes each way, > free-flowing, controlled access, and at least two carriageways as the > minimum threshold for motorways. Limited access, at-grade intersections, > single carriageway, this all would be more characteristic of trunks to me.
I don't see it as necessary to define non-divided-highway as conflicting or not. In theory, people stay on their side of the yellow line, and it isn't, but in practice, they cross sometimes. The point of divided is of course that they can't cross. And it leads to needing a 2nd lane for passing. I find the notion of super-2 as motorway to be a very minority opinion. Until Richie supported that position, I would not have expected anyone to argue that, and I have not seen anyone else take that position. We do have debates about how far along the primary-motorway continuum a road has to be in order to be tagged as trunk, and I think that's where there's a fair bit of fuzz (how many driveways, distance between intersections, etc. -- e.g., 1/10 miles ok, 10/mile not, and it's hard somewhere in between). Does anybody else think that a non-divided highway with one lane in each direction, even if controlled access, should be tagged motorway rather than trunk?
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