[OSM-talk] Railways hierarchy

Joe Hughes joe at headwayblog.com
Sun Jan 18 21:25:32 GMT 2009

This may be of interest to the new talk-transit list.


On Sun, Jan 18, 2009 at 7:39 AM, Jose M. Duarte <jose.m.duarte at gmail.com> wrote:
> Is there a standard way of tagging railways hierarchically? I can't
> find anything in the wiki about this.
> As with roads it would be nice to have data for what kind of railway
> line we are tagging. In many countries in Europe, e.g. Spain,
> different lines differ widely in the speed they can manage. There are
> high speed lines (max 300km/h or more), fast ones (max 200km/h), 19th
> century-like ones (80km/h or less)...
> Looking at tagwatch in France it seems that highspeed=yes has been
> used quite often. Of course that's cool but tagging with specific max
> speed would be better as there is no clear definition as to what
> high-speed rail is [1].
> Also it is not only about speed, it would be good to have some kind of
> hierarchy that indicates whether a line is trunk, primary, secondary
> as with roads.
> That would help a lot in having sensible open rail maps, somebody
> posted recently in this list about a project to create rail maps for
> Europe, so I suppose there is some interest in this.
> What are people doing about this? Anybody can share their experiences?
> Thanks
> Jose
> [1] http://en.wikipedia.org/wiki/High-speed_rail
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