<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Reasonable, and don’t forget routing services do not use the OSM data LIVE, they use a copy. Even services such as OpenRouteServices do not rebuilt their routing tree every day. Their visual map may update, but the underlying routing engine, which takes a lot of computing to update, is not updated very often. So even if the person doing the edit is diligent to undo it when the construction is finished, these services will not update quickly. That is why I say you are adding inaccuracies later. When the road re-open, people will still be diverted from using it. That caused more problems than it solves. Given the nature of OSM I see it as pointless to add temporary edits like this. It really does no good at all. <div class=""><br class=""></div><div class="">Cheers. <br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Nov 17, 2021, at 15:33, Nate Wessel <<a href="mailto:bike756@gmail.com" class="">bike756@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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<div class=""><p class="">I agree with regard to very short term closures e.g. for parades,
marathons, but I imagine we're talking here about closures that
could have impacts for weeks to months, and would have dramatic
implications for routing especially. IMO it's on any service
providers to update their data in a timely way, including data
from OSM. <br class="">
</p><p class="">My main criteria, personally, for including these sorts of
changes in OSM is whether the person making the edit that closes a
road (etc) because of damage, construction, is also planning to
make a timely edit to reopen that road when the time comes. Better
to leave it as is if there isn't anyone watching for the
reopening. But if someone wants to watch the situation closely and
make the map mirror reality, I say go for it.<br class="">
</p><p class="">Cheers,<br class="">
</p>
<div class="moz-signature"><p class=""> Nate Wessel<br class="">
<small class=""> Cartographer, Planner, Transport Nerd<br class="">
<a href="https://www.natewessel.com/" style="text-decoration:none;" class=""> NateWessel.com </a> </small>
</p>
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<div class="moz-cite-prefix">On 2021-11-17 2:26 p.m., Martin
Chalifoux via Talk-ca wrote:<br class="">
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<blockquote type="cite" cite="mid:C05FEA35-973B-4AEB-83D1-BAFB4EE52E64@icloud.com" class="">
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OSM is not designed to map elements that change in time such is
traffic, construction. There is no way to set start and end dates
to element for example. It is a database that gets <b class="">duplicated</b>
in tons of services be it online services that render OSM data, or
apps on smartphones, etc. These services take a snapshot and then
may not update again for months, a year, who knows. When people
put elements that expire quickly, such as maintenance construction
(OSM construction tags exists but are designed for new roads being
built, not repairs), then there temporary elements are expires and
removed, they remain in all the other services. It makes the OSM
data unreliable. You add a bit of short time accuracy but even
more long time inaccuracy. Anyhow I presonnaly advocate agains
adding broken roads to the OSM database. Road closures are the
responsibility of the rendering engines and they must get that
info from other sources than the map database and then add it as a
layer. OSM is the map layer, then traffic, closures, weather, etc.
are better treated as completely independant layers.
<div class=""><br class="">
</div>
<div class="">My take anyway, Martin.</div>
<div class=""><br class="">
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<div class=""><br class="">
<div class=""><br class="">
<blockquote type="cite" class="">
<div class="">On Nov 17, 2021, at 13:55, Joel <<a href="mailto:joel@joelmcfaul.ca" class="" moz-do-not-send="true">joel@joelmcfaul.ca</a>> wrote:</div>
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<div class="">
<div class="">Hi everyone,<br class="">
<br class="">
Numerous major highways have been washed out or blocked
due to recent flooding in BC. Does this community have
any thoughts about reflecting these changes in OSM? I
assume most of these closures will be temporary, however
are significant and may last for months.<br class="">
<br class="">
Thank you,<br class="">
Joel</div>
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