Hello Jesse,

welcome to this list. This is indeed the right list to post this type of
questions.

However, this question has popped up every few months the past year and so
far so consensus has been reached. You can always search the tagging
archive and you'll find threads such as
 https://www.mail-archive.com/tagging%40openstreetmap.org/msg15943.html
(this is not the first one in the thread though)

regards

m


On Tue, Jul 8, 2014 at 9:00 PM, Jesse Crawford <je...@jbcrawford.us> wrote:

> Apologies if this is the wrong list, I'm new to the community.
>
> On the wiki talk page for tracktype [1] there is some discussion from
> Australians of this property not properly reflecting road usability. Here
> in desert New Mexico I am working on significantly improving mapping of
> tracks, and I have the same problem. Many tracks here are apparently Grade
> 1 or 2 as they are made up of well-compacted gravel and exposed bedrock.
> However, due to grade or unevenness they are often unsuitable (and unsafe)
> for 2WD or low-clearance vehicles. These paths are often quite dangerous to
> be stuck on, miles away from the nearest person and beyond phone reception.
>
> It seems that there are properties to express information like evenness,
> but they are not taken into account by the standard renderer while the
> Grade is. Are there any plans to redefine Grade or create a new property
> for use by renderers that directly expresses the usability of a road?
>
> My suggestion would be adding a property (perhaps "suitability") with
> values of "2wd" and "4wd," which matches the semantics used by e.g. Forest
> Service maps which often show 4WD-only tracks with a different line.
>
> As a second but similar question, off-highway vehicles are a popular
> pasttime here and there are many tracks intended for ATVs or dirtbikes, not
> wide enough for SUVs. Is there a best practice for tagging these types of
> paths?
>
> Thanks!
>
>   [1] https://wiki.openstreetmap.org/wiki/Key:tracktype
>
> Jesse B. Crawford
> Student, Information Technology
> New Mexico Inst. of Mining & Tech
>
> jcrawf...@cs.nmt.edu | je...@jbcrawford.us
> http://cs.nmt.edu/~jcrawford | http://jbcrawford.us
>
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>
>
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