[Tagging] Tram tracks running in a road
Luca Sigfrido Percich
luca.percich at gmail.com
Fri Feb 6 16:29:16 UTC 2015
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:
Which is here on the map:
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:
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:
So the center way (carriageway reserved to psv with two tram tracks in
shared space) would get tagged as:
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
but would also be more difficult for users to mantain and for clients to
Any suggestions / impressions?
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