On Thu, Dec 9, 2010 at 6:38 AM, Paul Johnson <[email protected]> wrote:
> In the US, a center lane bordered by double-yellow lines on both sides > is the same as a median and can't be legally crossed > > If it's an open median (ie, double-solid yellow lines on both sides), > then I'd mark it as two separate roadways, since that's what it > functionally is; otherwise, one roadway. > > Until now, the "rule" in OSM was to say "we separate only if it physically impossible to turn", not legally. If you have a barrier, land grass, etc... separate. If it is just a yellow or white single or double painted line or a traffic sign, then you draw lanes in OSM, not roadways as defined by the tag "highway". I'm not against drawing lanes but then use another tagging schema. Pieren
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