On Thu, Jan 4, 2018 at 5:04 AM, Martin Koppenhoefer <[email protected]> wrote:
> > On 3. Jan 2018, at 23:06, Warin <[email protected]> wrote: > > > > I have moved some disused:railway=* from OSM to OHM as railway=* with > start and end dates .. that records what was there then, not its present > state ... > > > disused:railway is about something that is there (a disused railway > element like tracks or a station), abandoned:railway is also about disused > railways, but in a state of degradation (e.g. trees growing between the > tracks). razed railways would typically not be mapped in osm, as they are > no longer there. IIRR there is also the proposed concept of dismantled > railways where the tracks are removed but it is still perceivable as former > railway (e.g. embankments and tunnels, bridges). While disused and > abandoned are states that are not disputed for inserting in osm (afaik), > dismantled and razed are. Personally I’d accept dismantled railways as long > as there is something, even if it requires additional knowledge or > experience to understand that what you see is a former railway. > <https://lists.openstreetmap.org/listinfo/tagging> > Warin, I hope you haven't done that to any of the dismantled railways that I've tagged. They're less than highway=path, but for those with off-trail hiking skills, the ditches and embankments are important landmarks in an otherwise nearly trackless wilderness area. They are field observable to experienced off-trail hikers, even though I had a buddy say to me "I'm glad *you* can see it!" once when I used an abandoned way as a landmark. One example is http://www.openstreetmap.org/way/183452900, which I see that another mapper has overlaid with a highway=footway. (I think he was tagging for the renderer, but you have to pick your battles.) 'demolished' would be a better state than 'abandoned' - and I'll let someone else fix it, because I get all sorts of conflicting advice here and on the Wiki. There are also disused railways in my part of the world that definitely belong on the map. The tracks are still there, the roadbed is still in reasonable shape, and it would take only a few days for a crew on speeders to cut the brush, align the rails and get them in fit shape to haul freight again. That actually happened, not too many years ago, on the Saratoga and North Creek http://www.openstreetmap.org/relation/1401265 when the line was reopened so that NL Industries could perform environmental remediation at the former mine workings in Tahawus. I could go on at length about the complicated political and economic situation, but it's not relevant; the point is, it was a built railroad, never dismantled, only unmaintained for some years, and it was brought back into service quickly once there was again a need for it. The situation is more complicated with some other rail up there. The state has apparently made the decision to close http://www.openstreetmap.org/relation/1376439 permanently north of Old Forge (including the branch line to Saranac Lakes and Lake Placid) but demolition work has not yet commenced. Until quite recently, the rail could support very occasional (perhaps only a couple of times per year) tourist trains catering to rail fans. The current plan is to convert the line into a long-distance "wilderness" cycleway., but it's been sufficiently controversial that I wouldn't lay long odds that the project will be executed as planned. In any case, the rail is still there, and nearly serviceable. Anything that's disused, abandoned, demolished, ruined, or repurposed that I've mapped is visible in the field, is likely of some importance to me for at least way finding, and I would not take kindly to armchair mappers moving it to OHM.
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