On 2015-10-27 08:50, Gerd Petermann wrote : > > Hi all, > > > we have 153 ways tagged > > highway=centre_line > > > 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. > > http://www.openstreetmap.org/way/118699380 > > This way > > http://www.openstreetmap.org/way/117153052 > > 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). > > > Gerd >
Hi, OSM will always surprise me. Here in Belgium, what is called the "white line" is of uttermost importance. And I suppose in most other countries too. I've been looking for it in vain in the wiki and now it surges. But, first of all, we must distinguish a striped line, as said above, and a continuous white line. What I say relates to the continuous line. That line means: * that overtaking is forbidden * that turning left is forbidden (for right side driving) * and of course also that U-turn is forbidden * but also that turning left is forbidden when coming from a crossing Hence, it may replace many complicated turn restrictions very simply. And instead of "replace", I should say "add" because they're often missing. (because making relations is difficult) For a simple 2-lane road, it would best be a tag of the highway, not an additional line. The downside is that it would produce many splits. The most surprising is that it seems to be a one man's tagging assimilated to a hedge !!! Cheers André.
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