[Tagging] Tram tracks running in a road

Jo winfixit at gmail.com
Mon Feb 9 08:17:08 UTC 2015


I like to have those tram tracks as long as possible. So I tend to only
split them for the switches, where the route relations need it, or where
the combination with highway tags 'needs' it.

https://www.openstreetmap.org/way/40283768/history

2015-02-09 9:13 GMT+01:00 Jo <winfixit at gmail.com>:

> Hi Luca,
>
> Thank you for letting me know. That was indeed an oversight. I fixed it by
> removing the tags from the little highway part, then combining that way
> with the railway=tram. There are no bus lines that are passing that part,
> so it's enough to have it as railway tram. It took many hours to
> incorporate those tracks, even though we have them as open data from UrbIS.
> They have the rails though and we want to combine those rails into tracks.
>
> If you want to see high resolution imagery for Brussels, the
> AGIV(laanderen) is available in JOSM's list of WMS sources.
>
> Jo
>
>
> 2015-02-09 8:57 GMT+01:00 Luca Sigfrido Percich <luca.percich at gmail.com>:
>
>> Sorry I meant the railway tag. just added a note on the map
>>
>> 2015-02-09 8:54 GMT+01:00 Luca Sigfrido Percich <luca.percich at gmail.com>:
>>
>>> 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 <winfixit at 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 <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:
>>>>>> 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 at openstreetmap.org
>>>>> https://lists.openstreetmap.org/listinfo/tagging
>>>>>
>>>>>
>>>>
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>>>>
>>>>
>>>
>>
>
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