Hi Jo, 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.
Sig 2015-02-07 1:12 GMT+01:00 Jo <winfi...@gmail.com>: > The reason to use separate ways for trams can be seen in the other tram > tracks I mapped: > > http://www.openstreetmap.org/#map=18/50.83181/4.33280 > > 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: > > http://www.openstreetmap.org/#map=19/50.82432/4.33561 > > 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 > road. > * 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. > > Jo > > 2015-02-07 0:31 GMT+01:00 Janko Mihelić <jan...@gmail.com>: > >> 2015-02-06 17:29 GMT+01:00 Luca Sigfrido Percich <luca.perc...@gmail.com> >> : >> >>> >>> We could also user a lanes modifier: >>> lanes=3 >>> lanes:backward=2 >>> tram:lanes:backward=yes|no >>> tram:forward=yes >>> >>> >> 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. >> >> http://wiki.openstreetmap.org/wiki/Key:lanes:psv >> >> And in my town those lanes are reserved for trams, buses and taxis. >> >> Janko Mihelić >> >> _______________________________________________ >> Tagging mailing list >> Tagging@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/tagging >> >> > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > >
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