I usually remove all TIGER tags as I update roads. Martijn > On Jun 2, 2016, at 10:59 PM, Madeline Steele <madeline.ste...@gmail.com> > wrote: > > Hello all, > > > > I was hoping to open a discussion on current best practices for dealing with > old TIGER tags. I know this has been covered here in the past, but I think > it’s been a few years and it seems possible that methods have shifted. > > > > I’m from Portland (Oregon J) and on many streets, TIGER tags have been > completely removed, while on others, people have left only the tiger:county > tags. Sometimes, you see tiger:zip_left and tiger:zip_right too, while in > other cases there are zip_left and zip_right keys instead. In many cases, the > following 6 TIGER tags remain: tiger:cfcc, tiger:county, tiger:name_base, > tiger:reviewed, tiger:zip_left, and tiger:zip_right. > > > > The approach that is preferred at TriMet (where I work) is that if we are > able to check the geometry of the street against fairly recent imagery > (improving it if needed) and verify the name of the street, from either our > local jurisdictional centerlines or the latest TIGER TMS layer, then we > remove all of the TIGER tags. We see that as being adequate to remove the > TIGER:reviewed tag (especially when multiple mappers have edited the way > since the initial import, which is typical). We think that the other TIGER > tags are not needed as they’re mostly comprised of information that isn’t > really appropriate for the street ways (zip code and county, which take up > less space and are easier to keep up-to-date when maintained as separate > boundary polygons) and attributes that can be derived from other fields > (e.g., prefix, basename, suffix). While it could be handy to have these > address components broken out, it adds bulk and requires updating several > fields when a name is changed. Further, the TIGER attributes are mostly > really outdated at this point as they come from 2005 data and have rarely > been updated by mappers. > > > > What do you all think about this? > > > > Thanks much, > > > > Madeline > > _______________________________________________ > Talk-us mailing list > Talk-us@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-us
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