[OSM-talk] stop deleting abandoned railroads

[Richard]

On Tue, Aug 18, 2015 at 03:27:14PM +0200, Frederik Ramm wrote:
> Hi,
> 
> On 08/18/2015 03:21 PM, Richard wrote:
> > Especially as many railways come with more or less dense key:ele tagging 
> > they are much more reliable to derive height profile information than any 
> > other data we have.
> 
> Do I understand you correctly: We should map abandoned railways because
> we lack a good source of elevation data?

no, we should map them for the same reason that we map natural=ridge or
embankment=yes. It provides additional information.
> 
> That sounds like a very strange proposal to me. Perhaps the wiki
> documenting the "abandoned" value should be amended by "not to be used
> for abandoned mountain railways, because cycle routers will prefer
> routing along abandoned railway lines under the assumption that they
> must be flat"?

the information whether it was a rack railway should be probably preserved
as well. It adds other interesting information, not only for cycle routers.

Richard