<div dir="auto">I raised this once before on this list and didn't feel the response was very positive so left all the sidewalk mapping - in my case it came onto my radar in Acton.<div dir="auto">It seems pointless mapping pavements on little residential streets because the default expectation is a pavement on either side.</div><div dir="auto">Like you say, it can negatively impact routing if the sidewalks aren't joined to the roads at regular intervals, so it's easy to get wrong.</div><div dir="auto">There's a justification for mapping sidewalks in some circumstances. The thread is here:</div><div dir="auto"><a href="https://lists.openstreetmap.org/pipermail/talk-gb/2021-October/027947.html">https://lists.openstreetmap.org/pipermail/talk-gb/2021-October/027947.html</a><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 17 Jan 2023, 08:56 Robert Skedgell, <<a href="mailto:rob@hubris.org.uk" target="_blank" rel="noreferrer">rob@hubris.org.uk</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">We have had a large number of separate sidewalks added around Shepherds <br>
Bush, mostly by user alisonlung (possibly based in the USA) with some <br>
contributions by ABullock with the hashtag #waymap-project-SB<br>
<br>
I have several problems with this:<br>
- there seems to be no documentation or explanation of this organised <br>
editing project (or I'm looking in the wrong place)<br>
- alisonlung has consistently ignored changeset comments from other users<br>
- the sidewalks were frequently decorative: they may look pretty on OSM <br>
Carto, but often provide no or negative benefit for pedestrian routing<br>
- some sidewalks were added with layer=-1, strongly suggesting that the <br>
mapper(s) had no idea what the tag means<br>
- some cycleways around Shepherds Bush Green were changed to footways <br>
without adding bicycle=yes, which I consider to be vandalism<br>
<br>
I have tried to fix some of these, but the volume and the amount of <br>
fiddly realignment required seems disproportionate.<br>
<br>
I propose to do the following:<br>
- retain and repair sidewalks on main roads <br>
(trunk/primary/secondary/tertiary) where there are defined crossing <br>
points, or where there is a clear benefit to pedestrian routing<br>
- delete most sidewalks added by these users on residential streets, <br>
leaving crossings as nodes on the highway<br>
<br>
-- <br>
Robert Skedgell (rskedgell)<br>
<br>
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</blockquote></div>