On Tue, 12 Oct 2010 10:48:29 +0200, Jochen Topf <[email protected]> wrote: > On Tue, Oct 12, 2010 at 04:36:34AM -0400, Peter Budny wrote: >> They /are/ required, because roads may be discontiguous in various ways: >> a road may change names (e.g. Main Street North becomes Main Street >> South, but to a driver or pedestrian, both are just one continuous Main >> Street), or even be physically discontiguous (some state and even US >> Highways do this). > > So? > > Is any application actually using this? And what for? > > I am not beeing facetious, what are these routes actually useful for that > the tags on the roads don't already do?
It avoids duplication of data. You can either have the same tag on 200 road segments or on one relation. Matthias _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
