[Tagging] lanes tag dispute

Anthony osm at inbox.org
Sun Sep 18 18:38:12 BST 2011


On Sun, Sep 18, 2011 at 1:34 PM, Anthony <osm at inbox.org> wrote:
> On Sun, Sep 18, 2011 at 1:21 PM, Nathan Edgars II <neroute2 at gmail.com> wrote:
>> It's simple on a motorway. But, for a simple example on a surface road, how
>> do you know where the straight lanes go if there are 3 lanes after an
>> intersection but 2 before?
>
> Depends on what data you have.  If you have lane width information,
> then it's easy to figure this out.  If you don't, then you can't
> figure this out.

Nevermind.  Yes you can.  If the center of the 3 lane road is to the
left of the center of the 2 lane road, then the lane was added on the
left.  If the center of the 3 lane road is to the right of the center
of the 2 lane road, then the lane was added on the right.



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