[Tagging] Tram tracks running in a road
Luca Sigfrido Percich
luca.percich at gmail.com
Mon Feb 9 07:54:53 UTC 2015
I was looking closely at your example, and noticed that maybe the highway
tag is missing from this way: http://www.openstreetmap.org/way/40283536
because the tram line looks interrupted there.
2015-02-07 1:12 GMT+01:00 Jo <winfixit at gmail.com>:
> The reason to use separate ways for trams can be seen in the other tram
> tracks I mapped:
> You can clearly see that very often the rails don't follow the asphalt
> where the cars drive. Cars can make 90 degree turns, the tram rails need to
> follow smoother curves.
> So it's only in situations where buses follow the tram bedding:
> that one can have common ways for the tram and that service road.
> * For normal streets we draw 2 ways for the tracks and 1 for the asphalt
> * For dual carriageways we draw 2 ways for the tracks and 2 for each side
> + sometimes a service way between the tracks, when the buses use it too.
> It's rather exceptional that the service road and the tram rails can use
> the same OSM way.
> Keep in mind it's only a model to represent reality. A model which uses
> lines for what in reality are areas, so whatever we do, it will never be a
> perfect fit.
> I'm sure André won't agree with me, but to implement the solution he
> proposes, we'd have to restart OSM from scratch. And even though it may
> simplify and solve some things, it would make other stuff a lot harder.
> 2015-02-07 0:31 GMT+01:00 Janko Mihelić <janjko at gmail.com>:
>> 2015-02-06 17:29 GMT+01:00 Luca Sigfrido Percich <luca.percich at gmail.com>
>>> We could also user a lanes modifier:
>> I think this is the best way to tag this. There's a great map paint style
>> for seeing roads in towns in JOSM, and it helps a lot with tagging lanes.
>> It's called Lanes and road attributes. Unfortunately, it doesn't show
>> trams, but if we start tagging them, it will probably start rendering them.
>> Right now, I use psv:lanes:forward=designated|no, because psv means all
>> public service vehicles.
>> And in my town those lanes are reserved for trams, buses and taxis.
>> Janko Mihelić
>> Tagging mailing list
>> Tagging at openstreetmap.org
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