[Talk-is] Highway classification question

[Andrew Wiseman]

Thanks for the feedback everyone!

We agree that Vegagerðin is a good guide and also agree there’ll be scenarios where it could result in a sub-optimal classification if followed exactly. We were using this resource in combination with global highway policy and imagery to best match the existing classification system. Our classification edits ended up being pretty minor. Thanks, and let me know if you see anything you have a question about.

Andrew

> On Mar 30, 2019, at 6:20 PM, Jóhannes Birgir Jensson <joi at betra.is> wrote:
> 
> I'm very wary of gravel roads being designated as primary roads!
> 
> I think you are possibly reading too much into the definition from Vegagerðin.
> 
> Also do note that roads come from two source, Vegagerðin and then the municipalities.
> 
> In urban areas for example we use tertiary for Safnbrautir (linking residential roads) and then secondary for tengibrautir (linking safnbrautir to stoðbrautir).
> 
> 30. mars 2019 kl. 15:43, skrifaði "Svavar Kjarrval" <svavar at kjarrval.is>:
> 
>> Hi Andrew and the rest of the mailing list.
>> 
>> I'm in favour of the stated goals of that review. I doubt that people
>> have been observing that classification system over the last few years
>> so I don't think you need to worry much about making corrections which
>> adhere to the classifications on that page.
>> 
>> With that said, one must of course note that the definitions of those
>> tags are fairly broad as there are no further guidelines to identify the
>> class of each highway, except the most obvious cases. This might cause
>> some inconsistency in its application. One method could be to utilise
>> the classification system the authorities use, for example Vegagerðin
>> (e. The Icelandic Road Authority), where they've already classified the
>> major highways. I think Vegagerðin might be open to data sharing in that
>> regard. This is of course just an idea at this stage so don't let it
>> delay further contributions to correct the road classifications.
>> 
>> With regards,
>> Svavar Kjarrval
>> 
>> On 11.3.2019 17:05, Andrew Wiseman via Talk-is wrote:
>> 
>>> Hi everyone,
>>> 
>>> We have been reviewing the Primary-Motorway classified roads for
>>> consistency and adherence to the Icelandic guidelines. Our goal is to
>>> make minor classification changes to bring all roads in compliance
>>> with Icelandic policy and we had a few questions.
>>> 
>>> Some roads don't seem to match the Icelandic Map Features wiki
>>> <https://wiki.openstreetmap.org/wiki/Is:Map_Features>. If you agree,
>>> we were thinking of changing them to match the wiki page. For example:
>>> 
>>> Stofnvegur Routes
>>> 
>>> Based on the Icelandic Map Features wiki, the highway noted below
>>> should be 'highway=primary' as these routes are part of the Stofnvegur
>>> network
>>> https://www.openstreetmap.org/way/32197431 (highway 355)
>>> 
>>> Tengivegur Routes
>>> 
>>> Based on the Icelandic Map Features wiki
>>> <https://wiki.openstreetmap.org/wiki/Is:Map_Features>, the highways
>>> noted below should be 'highway=secondary' as these routes are part of
>>> the Tengivegur network.
>>> 
>>> Additionally, these highways already have secondary highways connected
>>> to the highway we noted so we want to review some adjacent secondaries
>>> if the below highways are revised to ensure the classification is not
>>> overused.
>>> 
>>> https://www.openstreetmap.org/way/71208833 (highway 59)
>>> https://www.openstreetmap.org/way/283141513 (highway 55)
>>> https://www.openstreetmap.org/way/30283752 (highway 52)
>>> https://www.openstreetmap.org/way/13248433 (highway 48)
>>> https://www.openstreetmap.org/way/4998612 (highway 26)
>>> https://www.openstreetmap.org/way/40813630 (highway 955)
>>> https://www.openstreetmap.org/way/5376321 (highway 752)
>>> 
>>> Let me know what you think.
>>> 
>>> Thanks,
>>> 
>>> Andrew
>>> 
>>> Andrew Wiseman |  Maps | iPhone: +1.202.270.4464
>>> | andrew_wiseman at apple.com <mailto:andrew_wiseman at apple.com>
>>> 
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>> 
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