[Tagging] Paper streets?

[Anthony]

On Tue, Oct 19, 2010 at 11:51 AM, Anthony <osm at inbox.org> wrote:
> It doesn't feel right to call something a highway=* if it isn't usable
> for travel.

I guess an exception would be something which is temporarily unusable
for travel: closed roads/paths, roads/paths under construction.  So
highway=proposed, if it is visible on the ground (at least a cleared
path), could be legitimate.