Thanks for the replies. It confirms that my original approach was
correct and that the other mapper's changes were a bit misguided.
I guess I need to get in touch with him to change things back.
Richard
------ Original Message ------
From: "Andrew Harvey" <[email protected]>
To: "Richard Sota" <[email protected]>
Cc: "OSM Australian Talk List" <[email protected]>
Sent: 21/11/2021 6:40:19 PM
Subject: Re: [talk-au] Use of pedestrian streets to imply route
hierarchy
Based on the wiki I understand highway=pedestrian to be for roads that
pedestrians freely walk on and some vehicles can drive on, but mostly
vehicles don't drive on them because there are too many pedestrians or
restrictions limit vehicle access.
It's a common misstagging to use it as a more important
highway=footway.
highway=pedestrian + area=yes is almost a completely different tag
which is used on plazas, malls, squares or other open pedestrian
surfaces. This is what the wiki is referring to by the "wide expanses
of hard surfaces".
To some extent width and name can be indicators of how major a footway
is.
On Sun, 21 Nov 2021 at 13:51, Richard Sota <[email protected]> wrote:
Hello all,
I'm a relatively new mapper (1.5 years) using iD, and am hoping to get
some clarification on the use of pedestrian streets after some changes
were made to my edits. In these changes, pedestrian streets have been
used to imply a hierarchy in the footway network, in spite of their
physical appearance on the ground. Is this okay?
Some background -
Lately I've been focusing on updating the pedestrian footpath network
within Monash University Clayton, using Bing aerials and my own walks
around the campus. On the ground, some roads and footpaths have been
upgraded into high quality pedestrian routes, however this has led to
a patchwork effect with some ped streets leading into ordinary roads
or footpaths and vice-versa.
In my attempt to accurately reflect this patchwork in OSM, I've been
guided by the definition of the "highway=pedestrian
<https://wiki.openstreetmap.org/wiki/Tag:highway=pedestrian>" tag
being:
"a road or an area mainly or exclusively for pedestrians in which some
vehicle traffic may be authorized (e.g. emergency, taxi, delivery,
...)" and "where wide expanses of hard surface are provided for
pedestrians to walk."
I also noted that "For narrow paths which are too small for cars to
pass (not proper streets) use highway=footway
<https://wiki.openstreetmap.org/wiki/Tag:highway=footway> instead."
i.e. footpaths.
The example images for these tags have also informed my choices.
A few days ago another mapper (Bob42nd) created two changesets that
converted some of the footpaths into pedestrian streets. This has
'tidied' up the render somewhat but it is no longer an accurate
representation of what's on the ground:
https://www.openstreetmap.org/changeset/114013893 - "Reclasses some
footways and unclassified to pedestrian."
https://www.openstreetmap.org/changeset/114014311 - "Pedestrian
Highways, official "walks""
In the first changeset, I can see that converting the unclassified
roadways into ped streets is somewhat justified as on the ground they
are bollarded and only accessible by service vehicles. Although to
pedestrians these still look like traditional roads with asphalt
surfaces and concrete kerbs, in contrast to the 'true' ped streets
with stone paving and no kerbs. This difference led me to retain the
original 'unclassified' street tags they had. See College Walk
<https://www.openstreetmap.org/way/403774582#map=19/-37.91023/145.13578>
as an example.
In the second changeset, the conversion to ped streets appears to be
based on "official walks" (although the source for what makes an
"official walk" hasn't been included). More so these ped streets don't
reflect their appearance on the ground. For instance Chancellors Walk
<https://www.openstreetmap.org/way/1004615769#map=19/-37.91209/145.13077>
in reality is a narrow covered footpath that couldn't accommodate a
vehicle, while the central portion of Rainforest Walk
<https://www.openstreetmap.org/way/996587081#map=18/-37.91134/145.13151>
is comprised of a concrete footpath that doesn't look or feel like a
wide 'street' on the ground.
So repeating the question, can pedestrian streets be used to imply a
perceived hierarchy in the footway network, in spite of their physical
appearance on the ground? Can it be justified for the purpose of
improving route-finding on the ground? Thanks for any discussion.
And apologies for the lengthy post!
Thanks,
Richard
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