[openrailwaymap] Railway crossing: how to tag the light on right side a highway that not intersect with railway

[Michael Reichert]

Hi Jakka,

Am 29.08.18 um 12:09 schrieb Jakka:
> Hi,
> 1) how to tag the light on right side a highway=track that not intersect
> with railway.
> 2) attention on the main highway if you are between one rail and the two
> other there is nothing no crossing:barrier or crossing:light
> 
> […]
> 
> https://www.openstreetmap.org/#map=19/50.58547/4.12756
> 
> https://www.mapillary.com/app/?pKey=v9opUgqM1g2ozlBZFdiJGQ&focus=photo&lat=50.585729786895165&lng=4.1277047189516125&z=17&x=0.5092559130911858&y=0.46714711521509783&zoom=0
> 
> 
> 
> crossing:barrier:backward=full
> crossing:bell=yes
> crossing:light:backward=yes
> mapillary=v9opUgqM1g2ozlBZFdiJGQ
> railway=level_crossing
> supervised=no
> 
> on the track placed
> crossing:light=yes
> mapillary=wACP2yo5uxGbAy-KfLbGiQ

I tried to remember where I have seen a similar level crossings in
Germany. Here are two examples from East Germany where I have seen
similar cases:


Blankenfelde (Kreis Teltow-Fläming):
https://www.openstreetmap.org/#map=19/52.33760/13.41588
Mapillary image available there but the website requires WebGL.
In Blankenfelde, a road is crossing the tracks and a footpath from the
train platform to the road has its own light and barrier.
Please note that crossing lights are often integrated in the saltires at
old level crossings in East Germany.

Güterglück:
http://www.ice-treff.de/index.php?id=517773 (images 21–24)
https://www.openstreetmap.org/#map=18/51.99469/11.98391
Some Mapillary image is available there.
A track (or service road to the signal box) has its own barriers and
light. One of the two railway lines is out of service but this does not
matter.


I visited both crossings three years ago (taking a video out of the
train) but I only added the railway=level_crossing nodes and its
sub-tags. I did not mind to to road-related micromapping. :-)

I think that level crossing tags (crossing:*=*, railway=level_crossing)
should always go to the track, not to the location where the lights and
barriers are located. This makes it easier to count level crossings with
a specific type of protection (e.g. no barriers vs. no barriers and no
lights vs. only lights vs. …) and to do analyses from the train drivers
perspective which crossings are ahead.

If you want to map the lights and barriers individually, you should look
how individual traffic signs are mapped and invent your own tagging
schema for crossing lights and barriers. What about
traffic_sign=BE:A45/BE:A47
traffic_sign:level_crossing:light=yes
traffic_sign:barrier:light=full/half/double_half/no (in this case half
and no)

List of road signs in Belgium:
https://wiki.openstreetmap.org/wiki/Road_signs_in_Belgium

Best regards

Michael

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