[Tagging] when should highway=centreline be used?

Gerd Petermann GPetermann_muenchen at hotmail.com
Tue Oct 27 08:08:06 UTC 2015

sorry for replying my own post...

I also found the tag road_marking



Key:road_marking - OpenStreetMap Wiki
Unlike similar keys (e.g. Key:turn) which annotate highway ways, road_marking ways describe the markings themselves. This level of detail is experimental, and has ...
Weitere Informationen...<http://wiki.openstreetmap.org/wiki/Key:road_marking>

which is quite often used (~ 19.000 times on ways).

A few mappers try to map the areas on roads which

are enclosed by a white line and crossing while lines

("schraffierte Fl├Ąche") . I haven't found a frequently used

tag for that, one uses highway=central_reservation which

makes not much sense to me.


Von: Gerd Petermann <GPetermann_muenchen at hotmail.com>
Gesendet: Dienstag, 27. Oktober 2015 08:50
An: Tag discussion, strategy and related tools
Betreff: [Tagging] when should highway=centreline be used?

Hi all,

we have 153 ways tagged


The wiki describes that as the white stripes in the middle of a road.

I looked at some ways tagged like that and they all seem to

be barriers between large roads (motorway,trunk), e.g.


This way


is also tagged type=oneway. No idea what that would mean.

My understanding so far:

The tag makes no sense, editors use it instead of barrier=hedge

or something similar.

In Germany we have a traffic_sign that warns drivers when

the white line is missing, e.g. because the road was recently repaired.

I think if one wants to map this, it should be an attribute for the existing

highway, not a new way. I think the tag centreline=* is used for that (130 times).

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