[OSM-talk] relations in order not to fragment roads (was: correctly mapping avenues)

[Karl Newman]

On Feb 11, 2008 10:36 AM, Martin Trautmann <traut at gmx.de> wrote:

> Karl Newman wrote:
> > To me, the nodes and ways
> > should follow the physical world as much as possible--the road didn't
> change
> > just because the speed limit changed, so why chop it up?
>
> I changed the subject now - and I agree, roads should be kept as roads.
> The more details you add, the more fragments you would get. When a
> proprety of the road at its full length does change, you have to adjust
> every single piece.
>
> There are occasions where a certain split has to be done. Take e.g. a
> national route which passes several cities. It could be called e.g. "B3"
> (which would be the German Bundesstraße 3) which is several hundred
> kilometers long and passes through dozens of towns and villages.
> Whenever the town boarder is reached, the B3 may follow a line of
> residential roads. I feel that a split is required here - the full
> length of the road can be found by the ref tag.
>

That seems like a reasonable approach--see my reply to Bernd's email in
another forked thread. The way should be long, but not unreasonably so, and
if the name or highway type changes, that seems like a logical place to
split it.

Karl
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