[Tagging] Mapping metro interchanges

[Martin Koppenhoefer]

sent from a phone

On 4. Oct 2017, at 23:23, Ilya Zverev <ilya at zverev.info> wrote:

So, should it be one railway=station + station=subway or four?



I’m not sure for king’s cross, but in the case of Berlin, U Stadtmitte,
there are 2 stations with this name , they are connected by a pedestrian
tunnel (160m says wikipedia), but it’s a significant distance and by
instinct I’d map it as two Stations (like it is currently):
http://www.openstreetmap.org/node/2182805354#map=17/52.51167/13.39101
http://www.openstreetmap.org/node/3352091173
wikipedia says it’s a „tower station“ (crossing on different levels).
Somehow the Berlin main station also are 2 stations (railway), like all
„cross“ stations.

Many interchanges are on different levels with different orientation,
sometimes also spatially in a distance, but often they are called the same
to signal the user that it's an interchange.
I think it would be OK to map different station objects (also because they
usually have different properties like start_date etc.).

Another example from Berlin is Yorckstraße, where there are 3 nearby
stations, also the name of one is slightly different:
http://www.openstreetmap.org/node/174817813
http://www.openstreetmap.org/node/3899306094
http://www.openstreetmap.org/node/290175314

Also here 3 distinct stations seem correct to me.

Cheers,
Martin
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