> Having written the above, I'm coming to the position that private roads
> which people who have permission (ish) to go someplace may use should be
> tagged access=destination, and roads only very special people may use
> should be =private, and osmand should dafault to allowing a terminal
> segment of =destination.
Agreed. I think the current data is sufficient (at least in theory: it
might make routing a bit more complex, but that a "small matter of
programming") and you don't need to know so much about permissions to
give the "right" answer: basically, when one asks for a route to B and
B can only be accessed via private roads, then we should allow the use
of private roads.
Similarly for the starting point, obviously.
> But that's a mostly-right sort-of-messy implementation of the more
> complicated "represent who can do what",
There can be cases where a finer notion of "who is allowed to use which
road when" might be useful, but I think we're pretty far from that, and
the above heuristic should cover the vast majority of cases.
> and likely to be fragile in practice.
I don't see why it should end up fragile.
Stefan
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