Nov 6, 2020, 01:03 by elga...@agol.dk: > Joseph Eisenberg: > >> Generally OpenStreetMap data is not updated frequently enough by mappers and >> database users for us to map temporary states (e.g. anything which lasts >> less than 6 months). Many database users will download a data extract for >> offline use and only update this every 3 months or so - see Maps.me for >> example, and perhaps facebook's use of OpenStreetMap data. >> > > > I agree. > But there are some interesting cases around that 6 month range. > > For example we now have access:covid19 > > > Another example is road work on motorways. That can easily take 6 month to a > year. First they do one side and have both directions share the lanes of what > was earlier one direction. Then they do the other side. > > Sometimes mappers change the speed limit to e.g. 60 km/h, but usually when > the work is finally done, it takes a long time for someone to put it back at > 130. > > It would be useful to be able to tag a temporary speed limit with an > estimated expiry date. And maybe an estimated start date for offline maps. > See https://wiki.openstreetmap.org/wiki/Conditional_restrictions motor_vehicle:conditional=no @ (2018 May 22-2018 Oct 7) maxspeed:conditional=60 @ (2021 May 22-2021 Oct 7) This will self-terminate even if nobody will remember to remove tag.
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