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    <p>Hi Mark</p>
    <p>Although not anywhere conclusive I made a Mapillary capture
      outbound on Woore Street Wilcannia 5/2022 that shows what are
      likely to be the dual 50/100 transition signs (smudges) well
      before the changeset. Might be useful..</p>
    <p>Bob<br>
    </p>
    <div class="moz-cite-prefix">On 19/2/24 20:19, Mark Pulley wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:1E6C32C8-D1C8-4149-B080-D4BE29D4497B@iinet.net.au">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      I haven’t done any reversions yet. I was planning to start from
      the oldest changeset and work forwards, however the oldest
      changesets don’s specify a source. I’ve asked about a couple of
      these including:
      <div><br>
      </div>
      <div><a class="moz-txt-link-freetext" href="https://www.openstreetmap.org/changeset/117791362">https://www.openstreetmap.org/changeset/117791362</a> - first
        changeset - on outskirts of Wilcannia</div>
      <div><a class="moz-txt-link-freetext" href="https://www.openstreetmap.org/changeset/117831384">https://www.openstreetmap.org/changeset/117831384</a> - outskirts
        of Old Junee</div>
      <div><br>
      </div>
      <div>Both of these are claimed to be from information provided by
        ’someone’ who had travelled on those roads. I’ve just asked for
        more info regarding the source of this information.</div>
      <div>
        <div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br>
          </div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">I
            also queried a couple of recent edits from 'local
            information and NSW Speed Data’:</div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br>
          </div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><a class="moz-txt-link-freetext" href="https://www.openstreetmap.org/changeset/147432769">https://www.openstreetmap.org/changeset/147432769</a>
            - western edge of Kempsey from 'local information and NSW
            Speed Data’ - also from ’someone’ who had travelled on those
            roads.</div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br>
          </div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><a class="moz-txt-link-freetext" href="https://www.openstreetmap.org/changeset/146881278">https://www.openstreetmap.org/changeset/146881278</a>
            - private driveway near Brooms Head from 'local information’
            - I had previously surveyed this maxspeed, and recent Google
            imagery showed the same limit. No reply regarding this one.</div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br>
          </div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">How
            should I (or we) approach this? Will I need to check
            available imagery for every changeset? Should I go ahead and
            revert the NSW Speed Data ones?</div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br>
          </div>
          <div
style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">Mark
            P.</div>
        </div>
        <div><br>
          <blockquote type="cite">
            <div>On 12 Feb 2024, at 2:45 pm, Andrew Harvey
              <a class="moz-txt-link-rfc2396E" href="mailto:andrew.harvey4@gmail.com"><andrew.harvey4@gmail.com></a> wrote:</div>
            <br class="Apple-interchange-newline">
            <div>
              <div dir="ltr">No objections from me. They haven't
                responded yet, and from everything we can tell they
                imported the data without any other cross checks and
                didn't follow the import guidelines.</div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">On Sun, 11 Feb 2024 at
                  22:00, Mark Pulley <<a
                    href="mailto:mrpulley@iinet.net.au"
                    moz-do-not-send="true" class="moz-txt-link-freetext">mrpulley@iinet.net.au</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                  <div>I’ve got some spare time (having caught up with
                    the surveys from my last holidays), so I can go
                    through these and revert them. Any objections?<br
id="m_7382555839943565362lineBreakAtBeginningOfMessage">
                    <div>
                      <div
style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none;"><br>
                        Mark P.</div>
                    </div>
                    <div><br>
                      <blockquote type="cite">
                        <div>On 9 Feb 2024, at 9:57 am, Andrew Harvey
                          <<a href="mailto:andrew.harvey4@gmail.com"
                            target="_blank" moz-do-not-send="true"
                            class="moz-txt-link-freetext">andrew.harvey4@gmail.com</a>>
                          wrote:</div>
                        <br>
                        <div>
                          <div dir="ltr">We do have permissions to use
                            this data it's listed in <a
href="https://wiki.openstreetmap.org/wiki/Australian_Data_Sources#New_South_Wales"
                              target="_blank" moz-do-not-send="true"
                              class="moz-txt-link-freetext">https://wiki.openstreetmap.org/wiki/Australian_Data_Sources#New_South_Wales</a>,
                            however from looking at their changeset
                            history, it looks like
                            <div><br>
                            </div>
                            <div>1. They are conducting an import by
                              en-mass blindly adding and replacing
                              existing data with the imported data</div>
                            <div>2. They may be engaging in directed
                              mapping (being employed to make these
                              changes), since their changesets are all
                              the same, importing speed limits, except
                              for one Local Knowledge changeset <a
href="https://www.openstreetmap.org/changeset/131210459" target="_blank"
                                moz-do-not-send="true"
                                class="moz-txt-link-freetext">https://www.openstreetmap.org/changeset/131210459</a>
                              in India.</div>
                            <div><br>
                            </div>
                            <div>If they want to conduct an import like
                              this, they need to go through the proper
                              process, so based on and the issues you've
                              rased it should be fine to revert all
                              their affected changes and then ask going
                              forward to go through the import
                              guidelines <a
href="https://wiki.openstreetmap.org/wiki/Import_guidelines"
                                target="_blank" moz-do-not-send="true"
                                class="moz-txt-link-freetext">https://wiki.openstreetmap.org/wiki/Import_guidelines</a>.</div>
                            <div><br>
                            </div>
                          </div>
                          <br>
                          <div class="gmail_quote">
                            <div dir="ltr" class="gmail_attr">On Thu, 8
                              Feb 2024 at 21:32, Mark Pulley <<a
                                href="mailto:mrpulley@iinet.net.au"
                                target="_blank" moz-do-not-send="true"
                                class="moz-txt-link-freetext">mrpulley@iinet.net.au</a>>
                              wrote:<br>
                            </div>
                            <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                              <div>Does the NSW Government Speed Zone
                                data have a licence suitable for
                                importing into OSM? Also, is it
                                generally accurate?
                                <div><a
href="https://opendata.transport.nsw.gov.au/dataset/speed-zones"
                                    target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">https://opendata.transport.nsw.gov.au/dataset/speed-zones</a></div>
                                <div><a
href="https://opendata.transport.nsw.gov.au/dataset/road-segment-data-from-datansw"
                                    target="_blank"
                                    moz-do-not-send="true"
                                    class="moz-txt-link-freetext">https://opendata.transport.nsw.gov.au/dataset/road-segment-data-from-datansw</a></div>
                                <div><br>
                                  <div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">The
                                      reason I ask is that I recently
                                      came across a few roads with speed
                                      zones updated based on this data.
                                      The biggest problem is that the
                                      changes made in these three
                                      changesets were incorrect (i.e.
                                      the previously surveyed maxspeeds
                                      were updated from this data, but
                                      on survey in December 2023 the
                                      original surveyed maxspeed was the
                                      correct one). </div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br>
                                    </div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><a
href="https://www.openstreetmap.org/changeset/129760120" target="_blank"
                                        moz-do-not-send="true"
                                        class="moz-txt-link-freetext">https://www.openstreetmap.org/changeset/129760120</a></div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><a
href="https://www.openstreetmap.org/changeset/129759614" target="_blank"
                                        moz-do-not-send="true"
                                        class="moz-txt-link-freetext">https://www.openstreetmap.org/changeset/129759614</a></div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><a
href="https://www.openstreetmap.org/changeset/129759603" target="_blank"
                                        moz-do-not-send="true"
                                        class="moz-txt-link-freetext">https://www.openstreetmap.org/changeset/129759603</a></div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br>
                                    </div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Other
                                      changesets have been made based on
                                      this data, but I haven’t checked
                                      the accuracy of them.</div>
                                    <div
style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br>
                                      Mark P.</div>
                                  </div>
                                  <br>
                                </div>
                              </div>
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                            </blockquote>
                          </div>
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                      </blockquote>
                    </div>
                    <br>
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        </div>
        <br>
      </div>
      <br>
      <fieldset class="moz-mime-attachment-header"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
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