Thank you all.

I have uploaded the change here:
https://www.openstreetmap.org/way/694140133#map=18/44.97872/-93.23941

I've added the "highway=construction" tag as per the guidelines
(https://wiki.openstreetmap.org/wiki/Key:construction#Highways).
I will keep an eye on when the change shows up on OSMAnd (I don't have
a subscription to OSM Live Updates).

Abhijit


On Thu, May 30, 2019 at 5:25 PM Greg Troxel <g...@lexort.com> wrote:
>
> Jmapb <jm...@gmx.com> writes:
>
> > On 5/30/2019 4:22 PM, Abhijit Kshirsagar wrote:
> >> Hello all,
> >> I'm an old OSM user and have recently moved to the US.
> >> What is the correct procedure to submit temporary (at least a few
> >> weeks long) road closures on OSM?
> >> Also, how long to changes typically take to make it to the
> >> downloadable maps that the cellphone apps (such as OSMAnd) use?
> >>
> >> Thanks in advance,
> >> Abhijit K
> >> Minneapolis, MN
> >>
> > Howdy Abhijit, and welcome to the US, and to Talk-US!
> >
> > There was a related discussion on the tagging list earlier this month:
> >
> > https://lists.openstreetmap.org/pipermail/tagging/2019-May/045122.html
> >
> > The considerations here have a lot to do with the duration of the
> > closure -- and this is closely related to the second question you asked,
> > about frequency of updates for the programs that use OSM data. This
>
> Agreed.
>
> > frequency is entirely up to individual apps. For OSMAnd, I think it also
> > depends on what version you're using.
>
> Normal OSMAnd usage has maps generated at the end of every month,
> available on about the 10th of the following month.
>
> OSMAnd has a second mode "live", where you can get delta updates from
> your last full map, at intervals up to hourly, and in particular on
> demand.  You can then see the time of update, and the time of last map
> change.  If I update, I typically see a last map change within about an
> hour, maybe a bit longer, and usually when it's longer (at 6am, it might
> be last evening) I suspect there were no edits overnight.
>
> > But it's highly likely that a snapshot of the map made today will still
> > be in use on some app or device months or even years from now. This is
> > one reason most people avoid tagging roads closed if the closure is
> > temporary.
>
> It's true that this likelihood exists, but I would argue that users of
> OSM data should have a plan to get users fresh data reasonably often
> (longer than 6 months does not seem respsonsible).  I do not think we
> should design for systems that are not attempting to get reasonable
> freshness.
>
> I have observed over my 10 years in OSM that the typical update cycle
> has shrunk, and in many cases when it gets to a month it doesn't shrink
> much more, usually.
>
> With OSM, there are no licensing reasons not to update; it's about
> transfers of large files vs freshness.  And then there's delta updates,
> which osmand does.
>
> > In the thread linked above, I proposed using the "conditional syntax" to
> > make a temporary road closure if the dates are known. It's mentioned in
> > the wiki, but not much seen in the wild. There's no way to add
> > approximate dates though. And it's unclear if any software will actually
> > parse these tags correctly.
>
> Agreed.   Around me, hard to predict.
>
> > Other than that, it's really a judgement call as far as when to close a
> > road. If you do and the road re-opens quickly, you risk some apps
> > thinking it's closed for a long time to come. If the road will be closed
> > for months, though, I'd say it's probably better to go ahead and close
> > it. (Be sure to add a fixme to help remind people to open it again.)
> >
> > The truth is IMO we don't have a perfect way of dealing with this right
> > now!
>
> Indeed that we don't have a consensus perfect approach.
>
> One should also consider the relative merits of
>
>   road is closed and router thinks it is open
>
>   road is open and router thinks it is closed
>
> typically, an open road that is marked closed is not the only way, and
> reasonable routes will be chosen.  As opposed to a closed route that is
> marked open, the user will be routed to it and hit a detour.   So I
> think "some apps (especially those that have too-long update cycles)
> thinking it is closed for a long time" is not a big deal, because 1) it
> doesn't hurt much and 2) those apps should shrink their update cycles.
>
> Personally I have come to view 1 month as the longest reasonable update
> time, and if a road will be closed for 30 days or more, and I get around
> to it, I edit it in OSM.   Overall I tend to optimize for those who are
> making the effort to have fresh data, as I think that's where we are
> heading, and it meets people who are trying halfway.
>
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