[Talk-in] Why are so many roads tagged with multiple speeds?

[Chetan H A]

Do not update to the lowest speed limit instead consider the local policies
or signboard.
Here I found a Wiki which mention about different speed limits -
https://en.wikipedia.org/wiki/Speed_limits_in_India


On Thu, May 19, 2022 at 6:59 PM Devdatta Tengshe <devdatta at tengshe.in>
wrote:

> So should I go ahead and update these to the lowest number? (One by one
> after checking each record manually)
>
>
> (We were running a local instance of Valhalla on an osm extract, and it
> wasn't giving us the correct route in some cases; Diagnosing that issue led
> me to such ways which have such incorrect speed values.)
>
> Regards,
> Devdatta Tengshe
>
> On Thu, 19 May, 2022, 6:41 pm Chetan H A, <chetanha91 at gmail.com> wrote:
>
>> This could be a tagging mistake.
>>
>> Example: *maxspeed=50* will be assigned to the road based on the
>> signboard
>> <https://kartaview.org/map/@12.427455781439676,76.71715356774553,12z>
>> If there are separate speeds mentioned for different vehicle types
>> <https://wiki.openstreetmap.org/wiki/Key:maxspeed#Vehicles>, then we can
>> tag with *maxspeed:hgv=** (high good vehicles like lorry etc.)
>>
>> Regards,
>> Chetan
>>
>> On Thu, May 19, 2022 at 3:29 PM Devdatta Tengshe <devdatta at tengshe.in>
>> wrote:
>>
>>> I was using OSM inspector, and found that there are so many roads which
>>> are tagged with multiple speeds, such as:
>>>
>>> https://www.openstreetmap.org/way/1018752726
>>>
>>> https://www.openstreetmap.org/way/157746064
>>>
>>> Is there a specific reason so many roads are tagged like this?
>>>
>>> Regards,
>>> Devdatta
>>> _______________________________________________
>>> Talk-in mailing list
>>> Talk-in at openstreetmap.org
>>> https://lists.openstreetmap.org/listinfo/talk-in
>>>
>> _______________________________________________
>> Talk-in mailing list
>> Talk-in at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/talk-in
>>
> _______________________________________________
> Talk-in mailing list
> Talk-in at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk-in
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/talk-in/attachments/20220520/a6cf0581/attachment.htm>