2017-07-11 8:06 GMT+02:00 Michael Reichert <naka...@gmx.net>: > > What is a "line" in osm tags? > > If you map a specific train connection (route=train) it would apply to > the whole thing, if you tag a piece of rail (route=railway or railway=rail) > I would only put it on those parts that are suitable for highspeed trains. > > Line in this context refers to all railway tracks between two stations > except sidings, yards, spurs etc. (i.e. all tracks which would get > usage=*).
for the tracks it doesn't seem right to tag "highspeed" where it isn't highspeed, although it might be disputable which speed merits the term "highspeed", even the European guideline 96/48 names differents speeds, ranging from 200km/h via 250km/h to more than 300km/h (and it is from 1996). Later it was put to at least 190km/h. (Btw. more than 200km/h was already reached by trains in 1903 in experimental settings). Contrarily, it is much more interesting to see which parts of a claimed highspeed connection is actually not highspeed besides the train that runs (slowly) over it ;-) Highspeed implies technical safety measures (likely dependent on the Country / Region, i.e. legal requirements) regarding signalling and location determination (in Germany LZB), fenced off tracks, short blocks, etc. Cheers, Martin
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