OpenStreetMap

Weekly roundup - common errors and unexplained edits observed

Posted by nammala on 23 December 2016 in English (English)

Following up from our previous diary post on inconsistent edits observed, here are the inconsistent edits observed in OpenStreetMap between 28 November - 23 December using OSMCHA.

We commented on these changesets:

  • Deleted road: changeset 1, 2, 3, 4, 5
  • Added inappropriate name tag to the highways: changeset
  • Added building=yes to nodes for some features: changeset
  • Added lots of POI's: changeset
  • Deleted rail road: changeset
  • Buildings that were not split: changeset
  • Circular polygon over university: changeset

Community members commented on the following changesets:

Reverted:

  • Deleted buildings: Community commented and reverted the changesets 1, 2, 3, 4
  • Deleted roads: Reverted the changeset 1, 2, 3, 4, 5, 6, 7, 8
  • Overlapping buildings: Reverted the changeset
  • Added a ton of ways with relation type=lanelet at intersections. DWG reverted the changeset
  • Fantasy mapping. Community reverted the changeset 1, 2
  • Deleted landuse. Reverted the changeset
  • Deleted track: Community reverted the changeset
  • Mass incorrect edits of road graph. We reverted 52 changesets
  • Adding bad import hotel data. Community reverted the changeset
  • Added POI to a major road. Community reverted the changeset
  • Deleted tunnel on a significant highway. Reverted the changeset
  • Added private information. Reverted the changeset

If you are interested in validation, check out our validation guide on using OSMCha. Do keep an eye out and comment on changesets which seem inconsistent to let the user know which will in turn helps users become better mappers and lets us maintain data quality on OpenStreetMap.

Look forward for another roundup next week.

Comment from andy mackey on 25 December 2016 at 08:52

Via is often part of the name and is on the street signs. I means " the way to " and is very common in Italy but is also seen in several countries. It is possible to contact the mappers of errors or possible errors directly instead of leaving notes in the data, while using Josm or Potlatch2 editors by ( or via !!) email. I was guilty of not connecting the ends of dirt footpaths ( rights of way in the UK) in my early mapping. I was contacted and informed that connecting end node allowed route apps to work. Dirt paths shouldn't be deleted just because they are dirt, many in the UK are the legally recorded rights of way. Happy Mapping

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Comment from Riccardo Stagni on 15 January 2017 at 21:43

Yes, "via" means "road" in italian.

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Comment from Riccardo Stagni on 15 January 2017 at 21:46

I mean, "via" is what you use in road names: "Via Roma" is like "Rome Road". (sorry, I clicked save too fast)

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