[talk-au] Question about using NSW Speed Zone Data in OSM

[Graeme Fitzpatrick]

For info only (mainly for me!): original DWG reference number is Ticket#
2024022510000056

Thanks

Graeme


On Thu, 23 Jan 2025 at 20:38, Phil Wyatt <phil at wyatt-family.com> wrote:

> Hi Mark,
>
>
>
> Well at least that user name may provide some detail on who the actual
> company is behind the edits
>
>
>
> https://www.novasystems.com/au/what-we-do/global-alerting-platform#gap
>
>
> https://www.linkedin.com/in/harsimranjit-kaur-253a00196/?originalSubdomain=au
>
>
>
> If they continue to make incorrect edits (after changeset comments
> mentioning the errors) then I suggest another word to DWG
>
>
>
> Cheers - Phil
>
>
>
>
>
>
>
> *From:* Mark Pulley <mark.pulley1 at gmail.com>
> *Sent:* Thursday, 23 January 2025 8:38 PM
> *To:* Graeme Fitzpatrick <graemefitz1 at gmail.com>
> *Cc:* OpenStreetMap-AU Mailing List <talk-au at openstreetmap.org>
> *Subject:* Re: [talk-au] Question about using NSW Speed Zone Data in OSM
>
>
>
> I’m just following up on this. I haven’t seen the promised Wiki page
> regarding these edits.
>
>
>
> Harsimranjit Kaur’s last edit was 17 June 2024. Another user started doing
> similar edits starting on 8 July 2024.
> https://www.openstreetmap.org/user/Nova%20Systems%20GAP
>
> (Or is it the same user with a new account?)
>
>
>
> I’ve found one problematic edit from this user -
> https://www.openstreetmap.org/changeset/160414255
>
> Msxspeed through Nimmitabel had been updated in 2021 following an official
> change of max speed from 60 to 50.
>
> Maxspeed was still 50 when I travelled through Nimmitabel in Nov 2024. (I
> had deleted my voice recording file after doing these edits, but found the
> voice recording in a Time Machine backup to confirm this was correct.)
>
> Maxspeed was changed to 60 by this user. (I’ve reverted this change
> tonight.)
>
> Sources for other changes by this user was "based on NSW Speed Data”, no
> source was given for this change, and the user has not responded to my
> query. I looked at the NSW Speed Data site, and it has maxspeed=50.
>
>
>
> I haven’t checked the other edits (now up to 149 changesets)
>
>
>
> I’ve had a look at the NSW Speed Zone interactive map, and have noticed a
> few incorrect speed zones in places.
>
>
> Mark P.
>
>
>
> On 6 Mar 2024, at 8:52 pm, Graeme Fitzpatrick <graemefitz1 at gmail.com>
> wrote:
>
>
>
> They responded a few days ago but, as we're travelling atm, I didn't have
> a chance to do anything about it.
>
>
>
> Their response:
>
>
>
> "We sincerely appreciate your efforts in bringing to our attention the
> organised edits rules and guidelines, of which we were previously unaware.
> We acknowledge the necessity to adhere to these guidelines and commit to
> creating a wiki page for our organised edits accordingly. However, we
> kindly request some time to complete this task.
>
>
>
> Regarding our compliance with other editing rules, we are confident that
> we are fully adhering to them. It's important to note that our system
> utilises tools that rely on OpenStreetMap data. Upon discovering numerous
> discrepancies in the NSW speed zone data within OpenStreetMap, we initiated
> edits to rectify these inconsistencies.
>
>
>
> Our editing process follows a detailed verification procedure, outlined as
> follows:
>
>
>
>    1. A driver reports a speed discrepancy on a specific road.
>    2. The driver report undergoes thorough verification and is escalated
>    for further examination.
>
>
>    3. We utilise NSW Speed Data (
>    https://opendata.transport.nsw.gov.au/dataset/speed-zones) to verify
>    the reported speed limit.
>
>
>    4. If the claimed speed limit aligns with the NSW Speed Data, we
>    proceed to update it in OpenStreetMap.
>    5. Conversely, if the reported speed limit does not match the NSW
>    Speed Data, we reject the claim. However, if multiple drivers report the
>    same speed limit discrepancy over time, we request evidence from the
>    drivers, often resulting in the provision of images depicting posted speed
>    limit signs. Based on this evidence, we update the speed limits in
>    OpenStreetMap accordingly.
>
>
>
> We are eager to address any discrepancies that other mappers may have
> reported concerning the edits we have made. Could they kindly provide us
> with evidence to facilitate a detailed investigation? This will enable us
> to reassess and update our map editing processes as necessary.
>
>
>
> Our primary objective in making these edits is to enhance the experience
> of our drivers and community. Therefore, we welcome any suggestions or
> further discussion that would contribute to ensuring the accuracy of our
> edits."
>
>
>
> Don't know if that answers the questions you have?
>
>
>
> I've suggested that they set up an account here to talk about what they
> are doing.
>
>
>
> Thanks
>
>
>
> Graeme
>
>
>
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