[Tagging] hazards (was: Feature Proposal - RFC - trafficability)

[André Pirard]

On 2014-01-13 14:53, Pieren wrote :
> On Mon, Jan 13, 2014 at 1:47 PM, BGNO BGNO <bgno2014 at gmail.com> wrote:
>
>> The information which people gave me about the mentioned 20km long
>> road was: Yes you can use the road with a regular car if it doesn't
>> rain. I think it is practicable to tag that information into OSM. How
>> would you tag that based on physical models?
> I agree with you. But there is currently nothing formally adopted for
> such access conditions based on weather.
> Searching the wiki, I found these proposals:
> - "surface=all_weather" ([1]) but the values should be reworked
> - "dry_weather_only=yes/no" ([2])
> - the conditional access restrictions ([3]) (but this is more legal
> with traffic signs)
> - see all the pages on specific road tagging per countries ([4])
> - and how other countries handle the question you raise. For instance,
> Australia ([5])
>
> They are maybe other ideas. What you need is "find the best one and
> use it". Or if you want that the community (and the renderers styles
> maintainers) adopt it as well, start a "vote" process and explain how
> important it is in your country.

I think that those road conditions are akin to "danger of flooding".
I think that they generically belong to Proposed features/hazard
<http://wiki.openstreetmap.org/wiki/Proposed_features/hazard>  of which
the article in the discussion is very eloquent regarding the wide scope
or that tag.
I am surprised that this proposition is 6½ years old and that taggers
have been tagging that much time without much concern with what it
contains or can be extended to (and taggers, who seem more interested in
adding new features than readjusting what was done, will probably rarely
come back to add hazards).
In particular, I have started tagging speed limits and I was perfectly
astounded that absolutely no 30 km/h limit tagged so far indicates
school/children safety. 30 km/h limits are often of that kind  however
and they are important to know as a child can burst from between two
parked cars.
I have slightly amended hazard=school_zone, especially to cover a
crossing in that zone.

I suggest that the discussion is ripe and that a vote be started at
least for children hazards.

Cheers,

André.


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