[OSM-newbies] Adding a cul-de-sac to an existing street

[Richard Weait]

On Thu, Aug 19, 2010 at 8:40 PM, Isaac Wingfield <isw at witzend.com> wrote:
> Park Royal Drive, here: http://osm.org/go/TZMgvYcdU-
>
> has an unmapped cul-de-sac sticking out to the side, which you can see in
> Edit mode. There is no separate street sign there; it's a part of Park Royal
> Drive.
>
> Using Potlatch, I cannot figure out how to add that such that it is not a
> separate entity (it should be a part of Park Royal Drive).
>
> How do I do that?

Hi Issac,

Make the cul de sac a separate way, then give it the same name.

OSM expects a 'way' to be either a line, or a simple, closed polygon.
Self-crossings, bifurcations and self-intersections other than a
simple closed polygon are errors.