[Talk-GB] Zebra crossings being lost in iD - how to respond

[Rob Nickerson]

Hi all,

*Before I start this message, I would like to say that I am looking for
solutions and not wishing to open the flood gates on abuse of the iD
editors. On the whole they do a great job and even when we disagree it
should be with respect. Right now on to the message itself:*

It seems like the iD editor's "upgrade this" feature is replacing
crossing=zebra with crossing=marked but NOT adding crossing_ref=zebra to
the node. If lots of users make use of this "feature" in the UK then we
stand to lose some valuable data. Taginfo UK says there are 4,710
crossing=zebra features in the UK.

I have added a comment on to the GitHub issue but no reply yet.
https://github.com/openstreetmap/iD/issues/6962

An alternate option is that we attempt to strike first - before the iD
editors amend the data. There seems to be two options here: an automated
edit adding the crossing_ref=zebra tag to all crossing=zebra features in
the UK, or we make use of the new MapRoulette "Quick Fixes" feature to
visually inspect each. See:
https://www.openstreetmap.org/user/mvexel/diary/390984

What do you think?

P.S. This also applies to the UK's other crossing types. The MapRoulette
option wouldn't be an option for all of these.

Thank you,
*Rob*
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