[Tagging] Formalising shoulder tagging

[Warin]

On 26/01/2016 8:23 PM, Richard Fairhurst wrote:
> Hi all,
>
> At present there is no documented standard for tagging highway shoulders.
>
> We have http://wiki.openstreetmap.org/wiki/Shoulder with 
> shoulder=yes|no, which has been in 'draft (under way)' since 2010. In 
> Australia, cycleway=shoulder appears also to be used.
>
> Taginfo stats are:
>     shoulder = *            7120, of which:
>         shoulder = no        3230
>         shoulder = yes        2743
>         shoulder = right    964
>     shoulder:width = *        1794
>     shoulder:right = *        1047
>     width:shoulder = *        843
>     cycleway = shoulder    502
>
> There are several gazillion miles (approximate value) of roads with 
> shoulders around the world. We should have a way to tag them.
>
> I'd therefore suggest simply formalising the most popular existing 
> usage and the one on the wiki page - that is, shoulder=yes|no. As a 
> default, I'd suggest shoulder=yes is presumed as the most common 
> real-world situation, i.e.:
>
>     "A paved shoulder, wide enough to be used as an emergency
>      refuge for cars, and for through passage by bicycles."

 From my travels .. I'd say the most frequent (most miles) case is 
shoulder=no.
Of course this could be made sensitive to the highway classification .. 
motorways usually have a shoulder, driveways don't.
>
> (Narrow shoulders can of course be tagged with shoulder:width, gravel 
> ones by shoulder:surface, and so on.)
>
> There are of course many refinements one could imagine, for peak-hour 
> shoulder running, buses, etc. But since "the perfect is the enemy of 
> the good" etc., I'd like to get the basic shoulder=yes|no agreed first.
>
> Speak now or forever hold your peace!
Good Luck.
>
> cheers
> Richard
>
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