[Tagging] Tram tracks running in a road

[Volker Schmidt]

Ciao,

hai guardato come l'hanno fatto altre città che hanno tram su strada? Mi
vengono in mente:
Strasbourg, Muenchen, Karlsruhe, San Francisco, Basel,  ...

Cari saluti

Volker
Padova, Italy

On 6 February 2015 at 17:29, Luca Sigfrido Percich <luca.percich at gmail.com>
wrote:

> Hi all,
>
> first time I write to the list (after lurking for a while), so I introduce
> myself. I am from Milano - Italy, I work for the municipality's agency for
> environment and mobility, and we'we been working for the last months to
> integrate our road graph with OSM.
>
> Currently in Milano all tram tracks are mapped separately, so they are all
> oneway and no way has both highway=* and railway=tram tags (apart from some
> cases we're correcting).
>
> Now, we would like to store the information wether a certain railway track
> runs in a road sharing the same space with motor vehicles.
>
> I am referring to situations similar to this one:
>
> http://wiki.openstreetmap.org/wiki/File:Tram_Amadeo.jpg
>
> Which is here on the map:
>
> https://www.openstreetmap.org/#map=19/45.470987/9.236118
>
> I searched the wiki for a tagging or relation scheme, but found none.
>
> I was thinking about a simple tagging scheme: tram=yes|forward|backward
> for the highway, and road=yes for the railway.
>
> From the previous example (the picture points at the opposite direction of
> the highway on which it was taken:
>
> For the center way (road):
>
> tram=yes (it's on both directions)
>
> and on the two railways:
> road=yes (the track lies on a road used by motor vehicles)
>
> We could also user a lanes modifier:
> lanes=3
> lanes:backward=2
> tram:lanes:backward=yes|no
> tram:forward=yes
>
> The tram tag should not be used for tracks which run separated from the
> road (they are tagged with railway=tram).
>
> The tram tag should go along with access tags, as we have lanes reserved
> for trams and buses/taxis:
>
> http://wiki.openstreetmap.org/wiki/File:Tram_xxii_marzo.jpg
>
> So the center way (carriageway reserved to psv with two tram tracks in
> shared space) would get tagged as:
> access=no
> bus=yes
> taxi=yes
> tram=yes
>
> We could also think about a relation, type=tram_on_road, it could be
> useful for sorting things out in complex multi-carriageway situations like
> this one:
>
> https://www.openstreetmap.org/#map=19/45.49833/9.19607
>
> but would also be more difficult for users to mantain and for clients to
> consume.
>
> Any suggestions / impressions?
>
> Thanks!
>
> Sig
>
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>
>
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