[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

> 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


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