I’ve got some further info on how this user has been editing (see comment on 
changeset https://www.openstreetmap.org/changeset/117791362 )

In short, Harsimranjit works for an un-named company. Unspecified people can 
report an incorrect speed limit on a road segment, it is verified (?how?) by 
someone else in the company, then goes to Harsimranjit who checks the claimed 
speed limit change with NSW Speed Zone Data, then if the NSW Speed Zone Data 
matches the proposed change, the edit is made. This process has obviously not 
worked in at least a few of these changesets (the ones I found had been changed 
incorrectly).

Mark P.

> On 19 Feb 2024, at 8:19 pm, Mark Pulley <mrpul...@iinet.net.au> wrote:
> 
> 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:
> 
> https://www.openstreetmap.org/changeset/117791362 - first changeset - on 
> outskirts of Wilcannia
> https://www.openstreetmap.org/changeset/117831384 - outskirts of Old Junee
> 
> 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.
> 
> I also queried a couple of recent edits from 'local information and NSW Speed 
> Data’:
> 
> https://www.openstreetmap.org/changeset/147432769 - western edge of Kempsey 
> from 'local information and NSW Speed Data’ - also from ’someone’ who had 
> travelled on those roads.
> 
> https://www.openstreetmap.org/changeset/146881278 - 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.
> 
> 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?
> 
> Mark P.
> 
>> On 12 Feb 2024, at 2:45 pm, Andrew Harvey <andrew.harv...@gmail.com> wrote:
>> 
>> 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.
>> 
>> On Sun, 11 Feb 2024 at 22:00, Mark Pulley <mrpul...@iinet.net.au 
>> <mailto:mrpul...@iinet.net.au>> wrote:
>>> 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?
>>> 
>>> Mark P.

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