>i guss what i am saying, add a tunnel is wrong, when the road is on the >bridge, and the drop down box says culvert. again i am only seeing the ID map. > >i just tried it, it only says add a tunnel, then river is under bridge. > > >>Monday, June 8, 2020 7:00 AM -05:00 from Mateusz Konieczny via talk < >>talk@openstreetmap.org >: >> >>Is there anything wrong with that? >> >> >>Jun 8, 2020, 13:57 by talk@openstreetmap.org: >>>>in the ID editor, if you draw a stream - river line, and it crosses a >>>>road, you get a warning, with the suggestion >>>> >>>>add a bridge or tunnel. >>>> >>>>>Monday, June 8, 2020 5:13 AM -05:00 from Martin Koppenhoefer < >>>>>dieterdre...@gmail.com >: >>>>> >>>>>Am Sa., 6. Juni 2020 um 18:02 Uhr schrieb Dave F via talk < >>>>>talk@openstreetmap.org >: >>>>>>Do you have an example? >>>>>> >>>>> >>>>> >>>>>A simple example for a tunnel (here subway) on a bridge would be this: >>>>>https://www.openstreetmap.org/way/757824513 >>>>>https://fr.wikipedia.org/wiki/Pont_Morand >>>>> >>>>> >>>>> >>>>>>Whether it's a bridge or tunnel is fairly easily defined by determining >>>>>>which is taking the load. >>>>>>If a tunnel's structure was removed, would whitewater's above it >>>>>>collapse? If 'yes' then it's a tunnel. >>>>> >>>>> >>>>> >>>>>what I wrote was that - according to some technical definitions - a tunnel >>>>>must not have something above it, it may be sufficient that it is closed >>>>>and long enough. I am not sure if we share these definitions in OSM. >>>>>According to the current wiki, "a tunnel is an underground passage for a >>>>>road or similar." and also: " tunnel =* is used for roads, railway line, >>>>>canals etc that run underground (in tunnel ). " This doesn't appear to >>>>>be exhaustive / complete, tunnels could also run underwater, above ground >>>>>and potentially in the future even in space, no? >>>>>Many current underwater tunnels are also "underground", as they are often >>>>>running in a man made structure (embankment like) on the ground or below >>>>>the water body/river in the ground >>>>> >>>>> >>>>> >>>>>Cheers >>>>>Martin >>>>> >>>>> >>>>>_______________________________________________ >>>>>talk mailing list >>>>>talk@openstreetmap.org >>>>>https://lists.openstreetmap.org/listinfo/talk >>>> >>>> >>>> >>>> >>> >>> >>> >>> >>_______________________________________________ >>talk mailing list >>talk@openstreetmap.org >>https://lists.openstreetmap.org/listinfo/talk > > > >
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