On Wed, Nov 11, 2015 at 3:22 AM, Martin Koppenhoefer <[email protected] > wrote:
> > > sent from a phone > > > Am 11.11.2015 um 08:48 schrieb Paul Johnson <[email protected]>: > > > > Where I have run into issues that make it difficult to tell if the > relation is correct is when a route ends on a dual carriageway on one or > both ends with at least one central segment being a two-way single > carriageway. In this case, the simplest fix seems to be to create a > super-relation, and then add a child relation for each direction with a > role of a cardinal direction, and have all the ways in the child directions > have a role of forward or backward as appropriate, and tag the relation > direction=west, for example (this is already how Interstates, which are, > AFAICT, always fully divided). > > > +1, this is also done for bus routes for instance > Pet peeve with this, though I expect this will be alleviated with time, people tagging east/west as roles on *ways* instead of child relations.
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