[Tagging] Implied oneway tag for highway=*_link, wiki edits

Pieren pieren3 at gmail.com
Fri Nov 27 10:21:02 GMT 2009


On Fri, Nov 27, 2009 at 11:11 AM, Martin Koppenhoefer >> Generally, I
don't think it's acceptable to change the definitions of
>> tags in this way.
>
> +1
+1 (although my recent edits against noexit=no)

>>
>> I also wonder how we should deal with this specific situation. Can we
>> still assume any default oneway information for *_link values (whether
>> it's yes or no) or is oneway=yes/no a required second tag for *_links?
>>
>
> no, IMHO we shouldn't generally "imply" but tag explicitly, otherwise
> consistency is at risk.
>

no, if we don't have defaults, we will have to populate 20, 30 or 50
attributs on each highway in the future. Don't ask too much from
volunteers.

> yes, oneway=no is the default for all streets unless explicitly stated. Even
> for motorways I wouldn't assume oneway=yes (it could still be that a
> motorway is not yet mapped as dual carriage-way).
>

I still see one exception where oneway=yes is surely implied : in
junction=roundabout.

Pieren




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