Hi,

I would assume that this is some kind of weird error. Looking at the user's history this obviously only happened in three changesets, 42110663, 42112337 and 42112459. His latest one and the immediate previous ones do not show this kind of modification.

Considering that this is an area with an activation going I am not sure whether a standard revert of the changesets will be a good idea - I assume that many of these objects have been touched in the meantime.

I see two options:

1. Revert the changesets and thus lose all other edits by the user from these changesets too. I tried locally with changeset 42112459 which would result in 16 conflicts to be solved. The main problem would be with nodes modified in these changesets and subsequently by other users.

2. Only detect ways without tags which is easy with JOSM's validator and assign "highway=road" to them to mark them for further inspection. This would require going over the whole area afterwards and re-assign proper highway tags.

I am not sure which one sounds easier. Option 2 is quicker for the immediate fix but means a lot of work afterwards.

Best Regards
Michael


Marco, 2016-09-13 12:01:
I just came thru this area [1] that I tried to map in the last few days
and found out that someone has been removing the highway=* tag from a
large number of ways. I wrote him a private message asking for the
reason of his edits, but I'd like to share this problem with someone
with more HOT experience in order to understand what's going on and how
can we quickly fix this, as road mapping seems to me seriously important
for the guys on the ground who use OSM to help the locals

[1] http://www.openstreetmap.org/#map=15/-1.2260/31.5053&layers=HD


Thanks
Marco

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